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DR ANTHONY MELVIN CRASTO Ph.D ( ICT, Mumbai) , INDIA 29Yrs Exp. in the feld of Organic Chemistry,Working for GLENMARK PHARMA at Navi Mumbai, INDIA. Serving chemists around the world. Helping them with websites on Chemistry.Million hits on google, world acclamation from industry, academia, drug authorities for websites, blogs and educational contribution

Wednesday, 11 November 2015

Ram W. Sabnis

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Ram W. Sabnis is a Senior Patent Agent in USA. His interests include dyes, pigments, organic chemistry, heterocycles, polymers, synthesis, formulations, coatings and patents. Presently, he focuses on drafting and prosecuting US and international patents. 

He is a registered patent agent with US Patent and Trademark Office (USPTO). Prior to entering the legal (patents) field, he was a research chemist for Ascadia, General Electric, Brewer Science, U.S. Textiles and Thermo Fisher (Molecular Probes) in USA. 

He also worked as a Patent Agent at Squire Patton Boggs L.L.P. and Senior Manager at Pfizer Inc. (Wyeth).

Dr. Sabnis was born and raised in Mumbai, India. He received his Ph.D. in Organic Chemistry (Dye Chemistry) from Institute of Chemical Technology (ICT) (formerly UDCT), Mumbai, India. 

He is a Chartered Colourists, Fellow of Society of Dyers and Colourists (CCol FSDC).

Dr. Sabnis is one of the world's foremost experts in dyes, inventing world's first colored bubbles (non-staining) and color changing dye system with many applications. 

He has immensely contributed to color science and technology for the past 25 years, particularly, dyes for biomedicine, personal care products, health/beauty products, electronics (displays, OLEDs), inks, paints, plastics, textiles and toys/bubbles.

He has over 200 publications which include books, book chapters, encyclopedia chapters, patents, reviews, papers, and symposia presentations. He is also an inventor of several US and international patents (issued/published). Dr. Sabnis is the recipient of Pfish Award, Perkin Innovation Award, Grand Innovation Award, Competitive Spirit Award and Best Doctoral Thesis Award. 

Dr. Sabnis is awarded the Gold Medal for “Outstanding service to the coloration industry” by the Society of Dyers and Colourists, Bradford, U.K.

He has written two books on color chemistry, namely, “Handbook of Biological Dyes and Stains” and “Handbook of Acid-Base Indicators.” He will continue to focus his activities on fascinating dye chemistry as well as demanding intellectual property in the years to come.






BOOK


Cover Page


For general information on our other products and services or for technical support, please contact our Customer Care Department within the United States at (800) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002.
Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic formats. For more information about Wiley products, visit our web site at www.wiley.com.
Library of Congress Cataloging-in-Publication Data:
Sabnis, R. W. (Ram Wasudeo)
Handbook of fluorescent dyes and probes / R.W. Sabnis.
pages cm
Includes index.
ISBN 978-1-118-02869-8 (cloth)
I express my profound respect and appreciation to my Guru/Mentor/Advisor, Prof. D. W. Rangnekar, who brought me to this wonderful world of Color Science in the Department of Dyestuffs Technology, Institute of Chemical Technology (ICT), where I laid the foundation stone for my research career in Dye Chemistry.
It is a pleasure to make grateful acknowledgement to Dr. Alan Fanta, Dr. Doina Ene, and Dr. Jeffrey Talkington for extremely useful discussions, encouragement and inspiration.
Words are inadequate to express my sincere appreciation to my wife Madhuri and daughter Anika. It would not have been possible to write this book without their encouragement and patience. It is a great pleasure to express my gratitude and appreciation to John Wiley & Sons Inc., for giving me an opportunity to write this book.
R. W. Sabnis
E-mail: ramsabnis@yahoo.com
http://radaris.com/p/Ram/Sabnis/




http://onlinelibrary.wiley.com/doi/10.1002/9780470586242.fmatter/pdf





PH D 
ICT, MUMBAI,
DR D W RANGNEKAR
DYES SECTION
Image result for ict mumbai




Ram W. Sabnis

Trisubstituted methyl alcohols and their polymerizable derivatives

Patent number: 9115066
Abstract: Provided herein are trisubstituted methyl alcohols, preferably pH indicators that are substituted with optionally substituted aryl and or optionally substituted heteroaryl groups, and optionally include one or more polymerizable substituents.
Type: Grant
Filed: December 14, 2012
Issued: August 25, 2015
Assignee: Indicator Systems International, Inc.
Inventors: Gerald F. Swiss, Photon Rao, Ram W. Sabnis

INFECTION INDICATING MEDICAL DEVICES

Application number: 20150037258
Abstract: Provided herein is an implantable medical device capable of self-reporting microbial growth adjacent the site of the implanted device.
Type: Application
Filed: June 23, 2014
Issued: February 5, 2015
Inventors: Gerald F. Swiss, Robert M. Moriarty, Ram W. Sabnis

Indicators for detecting the presence of metabolic byproducts from microorganisms

Patent number: 8425996
Abstract: Polymeric indicator films and pH indicating wraps are provided for visually monitoring, detecting, and/or determining the presence of metabolic byproducts from harmful or potentially harmful microorganisms. Also provided are methods of use and preparation of the polymeric indicator films.
Type: Grant
Filed: January 25, 2010
Issued: April 23, 2013
Assignee: Indicator Systems International, Inc.
Inventors: Joel R. Gorski, Jon Booher, Ram W. Sabnis

INDICATORS FOR DETECTING THE PRESENCE OF METABOLIC BY-PRODUCTS FROM MICROORGANISMS

Application number: 20120316408
Abstract: pH indicator compositions, solutions and suspensions and pH indicating food storage devices, medical devices and components thereof are provided for visually monitoring, detecting, and/or determining the presence of metabolic by-products from harmful or potentially harmful microorganisms. Also provided are methods of use and preparation of the pH indicator compositions, solutions and suspensions.
Type: Application
Filed: May 10, 2012
Issued: December 13, 2012
Inventors: Joel R. Gorski, Ram W. Sabnis

COMPOSITION AND METHOD FOR PRODUCING COLORED BUBBLES

Application number: 20120244777
Abstract: Compositions and methods for producing substantially uniformly colored bubbles are described. The composition comprises at least one surfactant mixed with at least one colorant, the colorant forming at least approximately 10% of the composition. The surfactant, or surface-active agent, forms the bubble while the colorant, or pigment, provides the color. Generally, the composition may comprise 10-99% colorant to produce varying degrees of opacity. In addition, glycerin, fragrance, propylene glycol, sodium lauryl sulfate, potassium hydroxide, or other additives may be included.
Type: Application
Filed: March 22, 2011
Issued: September 27, 2012
Inventors: Ram W. Sabnis, Timothy D. Kehoe

Composition and method for producing colored bubbles

Patent number: 7910531
Abstract: Compositions and methods for producing colored bubbles, having a single color uniformly dispersed in the film, are described. The composition comprises at least one surfactant mixed with at least one colorant, the colorant forming at least approximately 10% of the composition. The surfactant, or surface-active agent, forms the bubble while the colorant, or pigment, provides the color. Generally, the composition may comprise 10-99% colorant to produce varying degrees of opacity. In addition, glycerin, fragrance, propylene glycol, sodium lauryl sulfate, potassium hydroxide, or other additives may be included.
Type: Grant
Filed: June 13, 2005
Issued: March 22, 2011
Assignee: C2C Technologies LLC
Inventors: Ram W. Sabnis, Timothy D. Kehoe

INDICATORS FOR DETECTING THE PRESENCE OF METABOLIC BYPRODUCTS FROM MICROORGANISMS

Application number: 20100196636
Abstract: Polymeric indicator films and pH indicating wraps are provided for visually monitoring, detecting, and/or determining the presence of metabolic byproducts from harmful or potentially harmful microorganisms. Also provided are methods of use and preparation of the polymeric indicator films.
Type: Application
Filed: January 25, 2010
Issued: August 5, 2010
Inventors: Joel R. Gorski, Jon Booher, Ram W. Sabnis

Lithography pattern shrink process and articles

Patent number: 7449230
Abstract: Novel processes of applying a thin, uniform, conformal organic polymeric film by a wide variety of deposition processes into lithography pattern substrates are provided. The inventive processes result in shrinking of the gaps in the lithography pattern equally, thus producing a smaller dimension. The amount of pattern shrinkage is selectively controlled by controlling the deposition rate to provide the desired final structure dimension. A wide variety of organic films is used as materials for these films. The inventive methods are applicable to any patterning technique used in lithography to provide a reduction in pattern sizes. Examples of the applicable device levels include the production of gate layers, ion implantation of active device layers and substantive metal layers, dielectric patterning, interconnect processes produced by damascene, dual damascene, backend packaging layers, and devices requiring multiple layers deposited by electrodeposition, CVD or sputtering.
Type: Grant
Filed: February 23, 2005
Issued: November 11, 2008
Assignee: Brewer Science Inc.
Inventors: Ram W. Sabnis, James E. Lamb, III

Polymeric antireflective coatings deposited by plasma enhanced chemical vapor deposition

Patent number: 7132219
Abstract: An improved method for applying polymeric antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise plasma enhanced chemical vapor depositing (PECVD) a polymer on the substrate surfaces. The most preferred starting monomers are 4-fluorostyrene, 2,3,4,5,6-pentafluorostyrene, and allylpentafluorobenzene. The PECVD processes comprise subjecting the monomers to sufficient electric current and pressure so as to cause the monomers to sublime to form a vapor which is then changed to the plasma state by application of an electric current. The vaporized monomers are subsequently polymerized onto a substrate surface in a deposition chamber. The inventive methods are useful for providing highly conformal antireflective coatings on large surface substrates having super submicron (0.25 ?m or smaller) features.
Type: Grant
Filed: April 9, 2003
Issued: November 7, 2006
Assignee: Brewer Science Inc.
Inventors: Ram W. Sabnis, Wu-Sheng Shih, Douglas J. Guerrero

Lithography pattern shrink process and articles

Patent number: 7122296
Abstract: Novel processes of applying a thin, uniform, conformal organic polymeric film by a wide variety of deposition processes into lithography pattern substrates are provided. The inventive processes result in shrinking of the gaps in the lithography pattern equally, thus producing a smaller dimension. The amount of pattern shrinkage is selectively controlled by controlling the deposition rate to provide the desired final structure dimension. A wide variety of organic films is used as materials for these films. The inventive methods are applicable to any patterning technique used in lithography to provide a reduction in pattern sizes. Examples of the applicable device levels include the production of gate layers, ion implantation of active device layers and substantive metal layers, dielectric patterning, interconnect processes produced by damascene, dual damascene, backend packaging layers, and devices requiring multiple layers deposited by electrodeposition, CVD or sputtering.
Type: Grant
Filed: March 3, 2003
Issued: October 17, 2006
Assignee: Brewer Science Inc.
Inventors: Ram W. Sabnis, James E. Lamb, III

Organic polymeric antireflective coatings deposited by chemical vapor deposition

Patent number: 6936405
Abstract: An improved method for applying organic antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise chemical vapor depositing (CVD) an antireflective compound on the substrate surface. In one embodiment, the compound is highly strained (e.g., having a strain energy of at least about 10 kcal/mol) and comprises two cyclic moieties joined to one another via a linkage group. The most preferred monomers are [2.2](1,4)-naphthalenophane and [2.2](9,10)-anthracenophane. The CVD processes comprise heating the antireflective compound so as to vaporize it, and then pyrolizing the vaporized compound to form stable diradicals which are subsequently polymerized on a substrate surface in a deposition chamber. The inventive methods are useful for providing highly conformal antireflective coatings on large substrate surfaces having super submicron (0.25 ?m or smaller) features.
Type: Grant
Filed: December 21, 2000
Issued: August 30, 2005
Assignee: Brewer Science Inc.
Inventors: Ram W. Sabnis, Douglas J. Guerrero, Terry Brewer, Mary J. Spencer

Organic polymeric antireflective coatings deposited by chemical vapor deposition

Patent number: 6900000
Abstract: An improved method for applying organic antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise chemical vapor depositing (CVD) an antireflective compound on the substrate surface. In one embodiment, the compound is highly strained (e.g., having a strain energy of at least about 10 kcal/mol) and comprises two cyclic moieties joined to one another via a linkage group. The most preferred monomers are [2.2](1,4)-naphthalenophane and [2.2](9,10)-anthracenophane. The CVD processes comprise heating the antireflective compound so as to vaporize it, and then pyrolizing the vaporized compound to form stable diradicals which are subsequently polymerized on a substrate surface in a deposition chamber. The inventive methods are useful for providing highly conformal antireflective coatings on large substrate surfaces having super submicron (0.25 ?m or smaller) features.
Type: Grant
Filed: June 28, 2002
Issued: May 31, 2005
Assignee: Brewer Science Inc.
Inventors: Ram W. Sabnis, Douglas J. Guerrero, Terry Brewer, Mary J. Spencer

Organic polymeric antireflective coatings deposited by chemical vapor deposition

Patent number: 6869747
Abstract: An improved method for applying organic antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise chemical vapor depositing (CVD) an antireflective compound on the substrate surface. In one embodiment, the compound is highly strained (e.g., having a strain energy of at least about 10 kcal/mol) and comprises two cyclic moieties joined to one another via a linkage group. The most preferred monomers are [2.2](1,4)-naphthalenophane and [2.2](9,10)-anthracenophane. The CVD processes comprise heating the antireflective compound so as to vaporize it, and then pyrolizing the vaporized compound to form stable diradicals which are subsequently polymerized on a substrate surface in a deposition chamber. The inventive methods are useful for providing highly conformal antireflective coatings on large substrate surfaces having super submicron (0.25 ?m or smaller) features.
Type: Grant
Filed: June 28, 2002
Issued: March 22, 2005
Assignee: Brewer Science Inc.
Inventors: Ram W. Sabnis, Douglas J. Guerrero, Terry Brewer, Mary J. Spencer

Polymeric antireflective coatings deposited by plasma enhanced chemical vapor deposition

Patent number: 6852474
Abstract: An improved method for applying polymeric antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise plasma enhanced chemical vapor depositing (PECVD) a polymer on the substrate surfaces. The PECVD processes comprise providing a quantity of a polymer generated by introducing monomer vapors into a plasma state followed by polymerization thereof, with assistance of plasma energy, onto the surface of a substrate. The most preferred starting monomers are phenylacetylene, 4-ethynyltoluene, and 1-ethynyl-2-fluorobenzene. The inventive methods are useful for providing highly conformal antireflective coatings on large surface substrates having super submicron (0.25 ?m or smaller) features. The process provides a much faster deposition rate than conventional chemical vapor deposition (CVD) methods, is environmentally friendly, and is economical.
Type: Grant
Filed: April 24, 2003
Issued: February 8, 2005
Assignee: Brewer Science Inc.
Inventor: Ram W. Sabnis

Photosensitive black matrix

Application number: 20040048197
Abstract: A spin coatable, photosensitive black matrix coating having high surface resistivity and exhibiting an optical density greater than 3 at film thicknesses of ≦1 micron has been developed for flat panel display applications where a chrome/chrome oxide black matrix is usually employed. It possesses excellent thermal, light, and chemical stability and good shelf life. It is deposited and patterned by a simple photolithographic processes excellent thermal, light, and chemical stability and good shelf life. It is deposited and patterned by a simple photolithographic process, thereby reducing the cost of processing in relation to chrome/chrome oxide black matrix fabrication processes.
Type: Application
Filed: September 8, 2003
Issued: March 11, 2004
Inventors: Ram W. Sabnis, Jonathan W. Mayo, Terry L. Brewer, Michael D. Stroder, Kiyomi Ema, Yasuhisa Sone, Takayasu Nihira, Kazuhiro Aoba, Akira Yanagimoto

Polymeric antireflective coatings deposited by plasma enhanced chemical vapor deposition

Application number: 20030224586
Abstract: An improved method for applying polymeric antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise plasma enhanced chemical vapor depositing (PECVD) a polymer on the substrate surfaces. The PECVD processes comprise providing a quantity of a polymer generated by introducing monomer vapors into a plasma state followed by polymerization thereof, with assistance of plasma energy, onto the surface of a substrate. The most preferred starting monomers are phenylacetylene, 4-ethynyltoluene, and 1-ethynyl-2-fluorobenzene. The inventive methods are useful for providing highly conformal antireflective coatings on large surface substrates having super submicron (0.25 &mgr;m or smaller) features. The process provides a much faster deposition rate than conventional chemical vapor deposition (CVD) methods, is environmentally friendly, and is economical.
Type: Application
Filed: April 24, 2003
Issued: December 4, 2003
Assignee: Brewer Science, Inc.
Inventor: Ram W. Sabnis

Polymeric antireflective coatings deposited by plasma enhanced chemical vapor deposition

Application number: 20030219541
Abstract: An improved method for applying polymeric antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise plasma enhanced chemical vapor depositing (PECVD) a polymer on the substrate surfaces. The most preferred starting monomers are 4-fluorostyrene, 2,3,4,5,6-pentafluorostyrene, and allylpentafluorobenzene. The PECVD processes comprise subjecting the monomers to sufficient electric current and pressure so as to cause the monomers to sublime to form a vapor which is then changed to the plasma state by application of an electric current. The vaporized monomers are subsequently polymerized onto a substrate surface in a deposition chamber. The inventive methods are useful for providing highly conformal antireflective coatings on large surface substrates having super submicron (0.25 &mgr;m or smaller) features.
Type: Application
Filed: April 9, 2003
Issued: November 27, 2003
Assignee: Brewer Science, Inc.
Inventors: Ram W. Sabnis, Wu-Sheng Shih, Douglas J. Guerrero

Lithography pattern shrink process and articles

Application number: 20030203320
Abstract: Novel processes of applying a thin, uniform, conformal organic polymeric film by a wide variety of deposition processes into lithography pattern substrates are provided. The inventive processes result in shrinking of the gaps in the lithography pattern equally, thus producing a smaller dimension. The amount of pattern shrinkage is selectively controlled by controlling the deposition rate to provide the desired final structure dimension. A wide variety of organic films is used as materials for these films. The inventive methods are applicable to any patterning technique used in lithography to provide a reduction in pattern sizes. Examples of the applicable device levels include the production of gate layers, ion implantation of active device layers and substantive metal layers, dielectric patterning, interconnect processes produced by damascene, dual damascene, backend packaging layers, and devices requiring multiple layers deposited by electrodeposition, CVD or sputtering.
Type: Application
Filed: March 3, 2003
Issued: October 30, 2003
Assignee: BREWER SCIENCE, INC.
Inventors: Ram W. Sabnis, James E. Lamb

Photosensitive black matrix

Application number: 20030113640
Abstract: A spin coatable, photosensitive black matrix coating having high surface resistivity and exhibiting an optical density greater than 3 at film thicknesses of ≦1 micron has been developed for flat panel display applications where a chrome/chrome oxide black matrix is usually employed. It possesses excellent thermal, light, and chemical stability and good shelf life. It is deposited and patterned by a simple photolithographic processes excellent thermal, light, and chemical stability and good shelf life. It is deposited and patterned by a simple photolithographic process, thereby reducing the cost of processing in relation to chrome/chrome oxide black matrix fabrication processes.
Type: Application
Filed: October 21, 2002
Issued: June 19, 2003
Inventors: Ram W. Sabnis, Jonathan W. Mayo, Terry L. Brewer, Michael D. Stroder, Kiyomi Ema, Yasuhisa Sone, Takayasu Nihira, Kazuhiro Aoba, Akira Yanagimoto

Polymeric antireflective coatings deposited by plasma enhanced chemical vapor deposition

Application number: 20030064608
Abstract: An improved method for applying polymeric antireflective coatings to substrate surfaces and the resulting precursor structures are provided. Broadly, the methods comprise plasma enhanced chemical vapor depositing (PECVD) a polymer on the substrate surfaces. The most preferred starting monomers are 4-fluorostyrene, 2,3,4,5,6-pentafluorostyrene, and allylpentafluorobenzene. The PECVD processes comprise subjecting the monomers to sufficient electric current and pressure so as to cause the monomers to sublime to form a vapor which is then changed to the plasma state by application of an electric current. The vaporized monomers are subsequently polymerized onto a substrate surface in a deposition chamber. The inventive methods are useful for providing highly conformal antireflective coatings on large surface substrates having super submicron (0.25 &mgr;m or smaller) features.
Type: Application
Filed: September 24, 2002
Issued: April 3, 2003
Inventors: Ram W. Sabnis, Douglas J. Guerrero



PUBLICATIONS

US Patents

Cleansing Compositions With Color Changing Indicator
United States PatentInventorAppl. No.Assignee
#2006025Nov 16, 2006
Filed: Mar 28, 2006
Ram Sabnis (Eagan, MN)
Timothy Kehoe (St. Paul, MN)
Robert Balchunis (St. Paul, MN)		11/391004
International Classification:A61K 8/35U.S. Classification:424401000
Abstract:The invention describes compositions that can indicate whether hands have been washed for an approximate predetermined period of time. The composition includes an acid-base indicator and a delivery system.
Use Of Color Changing Indicators In Consumer Products
United States PatentInventorAppl. No.Assignee
#2007001Jan 11, 2007
Filed: Jun 23, 2006
Ram Sabnis (Eagan, MN)
Timothy Kehoe (St. Paul, MN)
Robert Balchunis (St. Paul, MN)		11/474518
International Classification:A01N 25/00U.S. Classification:504116100
Abstract:The invention describes uses of various acid-base indicators in combination with consumer products, such as herbicides, where upon application the surface treated is visualized by color and then, with time, the color disappears.
Novelty Compositions With Color Changing Indicator
United States PatentInventorAppl. No.Assignee
#2006023Oct 26, 2006
Filed: Mar 28, 2006
Ram Sabnis (Mendota Heights, MN)
Timothy Kehoe (St. Paul, MN)
Robert Balchunis (St. Paul, MN)		11/390979
International Classification:A61K 8/00U.S. Classification:008405000
Abstract:Compositions and methods for producing novel paints, bubbles, markers and cosmetics are described.
Personal Care Compositions With Color Changing Indicator
United States PatentInventorAppl. No.Assignee
#2006022Oct 5, 2006
Filed: Mar 28, 2006
Ram Sabnis (Eagan, MN)
Timothy Kehoe (St. Paul, MN)
Robert Balchunis (St. Paul, MN)		11/391725
International Classification:A01N 25/00U.S. Classification:424405000
Abstract:The invention describes a composition for use in disinfecting a surface for personal use, such as a public restroom facility or telephone. The composition and delivery of the composition provides for the placement of a thin layer of disinfectant which includes a acid-base indicator. The acid-base indicator disappears as the thin layer effects the germicidal activity of the disinfectant. The composition is also rapidly drying, so that the acid-base indicator disappears as well as the disinfecting composition leaving the surface dry. The invention also relates to use of the compositions in a lotion, such as a sunscreen. Use of the acid-base indicator provides a method to visualize where the lotion is applied by color, with the color then later dissipating.
Photosensitive Black Matrix
United States PatentInventorAppl. No.Assignee
#2004004Mar 11, 2004
Filed: Sep 8, 2003
Ram Sabnis (Rolla, MO)
Jonathan Mayo (Rolla, MO)
Terry Brewer (Rolla, MO)
Michael Stroder (Springfield, MO)
Kiyomi Ema (Chiba-shi, JP)
Yasuhisa Sone (Funabashi-shi, JP)
Takayasu Nihira (Tokyo, JP)
Kazuhiro Aoba (Narashino-shi, JP)
Akira Yanagimoto (Tokyo, JP)		10/657436
International Classification:G03C001/725U.S. Classification:430/286100, 430/281100, 430/025000, 430/028000
Abstract:A spin coatable, photosensitive black matrix coating having high surface resistivity and exhibiting an optical density greater than 3 at film thicknesses of 1 micron has been developed for flat panel display applications where a chrome/chrome oxide black matrix is usually employed. It possesses excellent thermal, light, and chemical stability and good shelf life. It is deposited and patterned by a simple photolithographic processes excellent thermal, light, and chemical stability and good shelf life. It is deposited and patterned by a simple photolithographic process, thereby reducing the cost of processing in relation to chrome/chrome oxide black matrix fabrication processes.
Oral Care Compositions With Color Changing Indicator
United States PatentInventorAppl. No.Assignee
#2006022Oct 5, 2006
Filed: Mar 28, 2006
Ram Sabnis (Eagan, MN)
Timothy Kehoe (St. Paul, MN)
Robert Balchunis (St. Paul, MN)		11/391671
International Classification:A61K 8/368, A61K 8/46U.S. Classification:424049000
Abstract:The invention describes color changing toothpastes and mouthwashes which contains acid-base indicator(s) for interaction with the oral cavity to provide a color change indicative of treatment time.
Composition And Method For Producing Colored Bubbles
United States PatentInventorAppl. No.Assignee
#2012024Sep 27, 2012
Filed: Mar 22, 2011
Ram W. Sabnis (Eagan, MN)
Timothy D. Kehoe (St. Paul, MN)		13/069012
International Classification:A63H 33/28, C09B 67/02, C09K 11/02, C09K 11/06U.S. Classification:446 15, 25230116, 25218212, 25230134
Abstract:Compositions and methods for producing substantially uniformly colored bubbles are described. The composition comprises at least one surfactant mixed with at least one colorant, the colorant forming at least approximately 10% of the composition. The surfactant, or surface-active agent, forms the bubble while the colorant, or pigment, provides the color. Generally, the composition may comprise 10-99% colorant to produce varying degrees of opacity. In addition, glycerin, fragrance, propylene glycol, sodium lauryl sulfate, potassium hydroxide, or other additives may be included.
Indicators For Detecting The Presence Of Metabolic By-Products From Microorganisms
United States PatentInventorAppl. No.Assignee
#2012031Dec 13, 2012
Filed: May 10, 2012
Joel R. Gorski (Perrysburg, OH)
Ram W. Sabnis (Roswell, GA)		13/468863
International Classification:A61B 5/00, A46B 11/00, G01N 21/80, B65D 79/00U.S. Classification:600309, 426132, 401143, 435 34
Abstract:pH indicator compositions, solutions and suspensions and pH indicating food storage devices, medical devices and components thereof are provided for visually monitoring, detecting, and/or determining the presence of metabolic by-products from harmful or potentially harmful microorganisms. Also provided are methods of use and preparation of the pH indicator compositions, solutions and suspensions.
More US Patents...
Handbook Of Acid-Base Indicators - ISBN (books and publications)
author: Ram Wasudeo Sabnis
ISBN #: 0849382181


BOOKS

Handbook of Acid-Base Indicators

https://books.google.co.in/books?isbn=084938219X
R. W. Sabnis - 2007 - ‎Preview - ‎More editions
The Handbook of Acid-Base Indicators contains practical information for widespread applications that include semiconductors, displays, nanotechnology, OLEDs, fuel cells, sensors, security, surface coatings, adhesives, insecticides, ...

Handbook of Fluorescent Dyes and Probes

https://books.google.co.in/books?isbn=1119007089
R. W. Sabnis - 2015 - ‎Preview - ‎More editions

Handbook of Biological Dyes and Stains: Synthesis and ...

https://books.google.co.in/books?isbn=0470586230
R. W. Sabnis - 2010 - ‎Preview - ‎More edit



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