Patents by Inventor Ravi Subramanyam

Ravi Subramanyam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190169034
    Abstract: Disclosed herein is zinc/amino acid functionalized silica, compositions comprising the same, and oral care methods and uses for such compositions.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 6, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Viktor DUBOVOY, Tatiana BRINZARI, Michael STRANICK, Long PAN, Ravi SUBRAMANYAM
  • Patent number: 10251823
    Abstract: The present invention provides an oral care composition comprising: (a) a first composition comprising a silica abrasive and a first zinc compound selected from zinc citrate, zinc chloride, zinc acetate, zinc lactate, zinc salicylate, zinc sulfate, and zinc nitrate; and (b) a second composition comprising a calcium carbonate abrasive; wherein the first composition and/or the second composition further comprises a second zinc compound selected from zinc oxide, zinc carbonate and zinc tartrate; and wherein the oral care composition optionally further comprises from 0.1 to 1.75 weight % of a tartar control agent, based on the total weight of the oral care composition.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: April 9, 2019
    Assignee: Colgate-Palmolive Company
    Inventors: Ravi Subramanyam, Suzanne Jogun, Mahmoud Hassan, Navin Lewis, Xiao Yi Huang, Shao Peng Xu
  • Publication number: 20180296453
    Abstract: This invention relates to oral care compositions comprising an effective amount of a basic amino acid in free or salt form, together with an anionic surfactant, and to methods of using and of making such compositions.
    Type: Application
    Filed: June 20, 2018
    Publication date: October 18, 2018
    Applicant: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Diane CUMMINS, Ravi SUBRAMANYAM, Richard SULLIVAN, Ralph Peter SANTARPIA III, Sarita Vera MELLO, Lynette ZAIDEL, Suman CHOPRA, Qin WANG, Gary TAMBS, Virginia Monsul BARNES, Donghui WU, Andre MORGAN, Rajnish KOHLI, Richard ROBINSON, Sergio LEITE, Eric SIMON
  • Patent number: 9913784
    Abstract: Disclosed herein are oral care compositions comprising a zinc amino acid halide complex, and linear polyvinylpyrrolidone and/or sodium tripolyphosphate, which compositions have improved rheological stability. Methods of making and using the compositions are also provided.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: March 13, 2018
    Assignee: Colgate-Palmolive Company
    Inventors: Gregory Szewczyk, Lisa Manus, Lyndsay Schaeffer-Korbylo, Andrei Potanin, Ravi Subramanyam
  • Publication number: 20170348352
    Abstract: A soluble zinc polyphosphate complex made by combining ingredients which include an inorganic zinc salt and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the relative amount of inorganic zinc salt and long chain polyphosphates providing a phosphorus to zinc mole ratio of at least 6:1. Further provided is a method of making this soluble zinc polyphosphate.
    Type: Application
    Filed: December 26, 2014
    Publication date: December 7, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Baohua QIAO, Long PAN, Gregory SZEWCZYK, Ravi SUBRAMANYAM
  • Publication number: 20170348207
    Abstract: An oral care composition having a soluble zinc polyphosphate complex made by combining ingredients including an inorganic zinc salt, and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the relative amount of inorganic zinc salt and long chain polyphosphates providing a phosphorus to zinc mole ratio of at least 6:1. Further provided is a method of treating a subject suffering from dentinal sensitivity applying the oral care composition to the teeth and gums of the subject.
    Type: Application
    Filed: December 26, 2014
    Publication date: December 7, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Baohua QIAO, Long PAN, Gregory SZEWCZYK, Ravi SUBRAMANYAM
  • Publication number: 20170340533
    Abstract: A soluble zinc polyphosphate complex made by combining ingredients which include an organic zinc salt and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the organic zinc salt and long chain polyphosphates being mixed in amounts that provide a phosphorus to zinc mole ratio of 15:1 to about 55:1. Further provided is a method of making this soluble zinc polyphosphate.
    Type: Application
    Filed: December 26, 2014
    Publication date: November 30, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Baohua QIAO, Long PAN, Gregory SZEWCZYK, Ravi SUBRAMANYAM, Shiri NAWROCKI, Viktor DUBOVOY
  • Publication number: 20170340534
    Abstract: An oral care composition having a soluble zinc polyphosphate complex made by combining ingredients including a zinc salt, a plurality of long chain polyphosphates having 6 or more phosphate polymer units, and a solvent, the relative amount of organic zinc salt and long chain polyphosphates provides a phosphorus to zinc mole ratio of at least 6:1. Further provided is a method of treating a subject suffering from dentinal sensitivity applying the oral care composition to the teeth and gums of the subject.
    Type: Application
    Filed: December 26, 2014
    Publication date: November 30, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Shiri NAWROCKI, Viktor DUBOVOY, Long PAN, Baohua QIAO, Gregory SZEWCZYK, Ravi SUBRAMANYAM
  • Publication number: 20170333310
    Abstract: The present invention provides an oral care composition comprising: (a) a first composition comprising a silica abrasive and a first zinc compound selected from zinc citrate, zinc chloride, zinc acetate, zinc lactate, zinc salicylate, zinc sulfate, and zinc nitrate; and (b) a second composition comprising a calcium carbonate abrasive; wherein the first composition and/or the second composition further comprises a second zinc compound selected from zinc oxide, zinc carbonate and zinc tartrate; and wherein the oral care composition optionally further comprises from 0.1 to 1.75 weight % of a tartar control agent, based on the total weight of the oral care composition.
    Type: Application
    Filed: November 13, 2015
    Publication date: November 23, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Ravi SUBRAMANYAM, Suzanne JOGUN, Mahmoud HASSAN, Navin LEWIS, Xiao Yi HUANG, Shao Peng XU
  • Patent number: 9801940
    Abstract: Disclosed herein are methods of enhancing the solubility and delivery of one or more active ingredients found in magnolia extract, or a synthetic analog thereof, in an oral composition.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: October 31, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Lin Fei, Ravi Subramanyam, Guofeng Xu
  • Patent number: 9750667
    Abstract: A cleansing bar comprising at least one member chosen from clay and talc, wherein a total amount of clay and talc is present in an amount that is greater than any other material in the cleansing bar, at least one cleanser chosen from soap and surfactant, and a binder present in an amount to structure the cleansing bar into a bar.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: September 5, 2017
    Assignee: COLGATE-PALMOLIVE COMPANY
    Inventors: Steve Misner, Long Pan, Diana Scala, Regina Hourigan, Ravi Subramanyam, Dennis Fletcher, Patricia Hall-Puzio, Shamim Ansari, Derek Le
  • Publication number: 20170172875
    Abstract: Disclosed herein are oral care compositions comprising a zinc amino acid halide complex, and linear polyvinylpyrrolidone and/or sodium tripolyphosphate, which compositions have improved rheological stability. Methods of making and using the compositions are also provided.
    Type: Application
    Filed: December 20, 2016
    Publication date: June 22, 2017
    Inventors: Gregory SZEWCZYK, Lisa MANUS, Lyndsay SCHAEFFER-KORBYLO, Andrei POTANIN, Ravi SUBRAMANYAM
  • Patent number: 9682027
    Abstract: This invention relates to oral care compositions comprising a basic amino acid or salt thereof, and a small particle fraction: and to methods of using and of making these compositions.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: June 20, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Diane Cummins, Richard Scott Robinson, Sarita V. Mello, Richard J. Sullivan, Suman Chopra, Karen J. DePierro, Lynette Zaidel, Constantina Christopoulou, Ravi Subramanyam, Donghui Wu, Andre M. Morgan, Ralph Peter Santarpia, III, Qin Wang, Gary Edward Tambs, Rajnish Kohli, Virginia Monsul Barnes, Sergio Leite, Eric A. Simon
  • Patent number: 9682026
    Abstract: This invention relates to oral care compositions comprising an effective amount of a salt of a basic amino acid the salt having a pH in an unbuffered solution of less than about 7.5; an effective amount of a soluble fluoride salt; and a particulate material which has a pH in an unbuffered solution of less than about 7.5; and to methods of using and of making such compositions.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: June 20, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Rajnish Kohli, Richard Scott Robinson, Sergio Leite, Eric A. Simon, Richard J. Sullivan, Ralph Peter Santarpia, III, Michael Prencipe, Ravi Subramanyam, Sarita V. Mello, Donghui Wu, Suman Chopra, Andre M. Morgan, Diane Cummins, Lynette Zaidel, Qin Wang, Gary Edward Tambs, Virginia Monsul Barnes
  • Patent number: 9676690
    Abstract: Described herein are high yield methods for making magnolol derivatives, together with novel intermediates and uses thereof.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: June 13, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Basi V. Subba Reddy, Ravi Subramanyam, Shashank Potnis, Jhillu Singh Yadav
  • Publication number: 20170121351
    Abstract: The disclosure provides an improved synthesis for a zinc-lysine complex having the formula [Zn(C6H14N2O2)2Cl]+Cl?, in which zinc chloride is reacted with lysine, in aqueous solution. The disclosure also provides oral care and personal care compositions comprising the complex prepared by the synthesis, and methods of using these complexes and compositions.
    Type: Application
    Filed: June 18, 2014
    Publication date: May 4, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Shiri Nawrocki, Ravi SUBRAMANYAM, Long PAN
  • Patent number: 9561193
    Abstract: Described herein are compositions comprising antibacterially effective amounts of a compound of Formula (I): or a salt thereof in which R1 and R2 are each independently (C1-C6) alkyl or (C2 C6) alkenyl, and a carrier. Suitable carriers include orally acceptable carriers and dermatologically acceptable carriers. The disclosed compositions include oral care and personal care compositions useful for treating or preventing oral and skin conditions, respectively.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: February 7, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Ravi Subramanyam, Neelima Utgikar, Guofeng Xu, Ying Yang, Lin Fei
  • Patent number: 9463159
    Abstract: Disclosed herein are orally acceptable topical analgesic gels comprising a mixture of analgesic oils comprising (a) clove oil and/or eugenol, (b) a cooling agent, and (c) camphor; in an orally acceptable gel base, the gel base providing controlled release of the mixture of analgesic oils following application to a tooth; together with methods of making and using the same.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: October 11, 2016
    Assignee: Colgate-Palmolive Company
    Inventors: Shashank Potnis, Ravi Subramanyam, Rajitha Nair
  • Patent number: 9435745
    Abstract: A method of measuring the relative rates of release of a target metal ion from two or more samples includes: (i) providing at least two aliquots of a solution including an indicator, the indicator having a color; (ii) dispersing a sample into each aliquot; and (iii) during step (ii), monitoring the color of the indicator in situ to determine the rates of release of the target metal ions from the samples relative to one another. Each sample includes at least one source of the target metal ion. The indicator contains zincon. The samples are oral care compositions selected from a toothpaste, a tooth gel, and a tooth powder. The target metal ion is selected from the stannous and zinc (II).
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: September 6, 2016
    Assignee: Colgate-Palmolive Company
    Inventors: Stanislav Jaracz, Ravi Subramanyam, Michael Prencipe
  • Publication number: 20160240105
    Abstract: The present application provides a tooth anatomy model comprising: a first layer representing tooth dentin, said first layer being made of a first material; and a sensor system associated with a surface of the first layer, which system is adapted to sense at least one of temperature and air pressure. The present application also provides a method of demonstrating tooth hypersensitivity using a tooth anatomy model.
    Type: Application
    Filed: October 9, 2014
    Publication date: August 18, 2016
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Neelima Utgikar, Ravi Subramanyam, Shashank Potnis, Nikhill Kheur