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: 20190274936
    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: May 29, 2019
    Publication date: September 12, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Baohua QIAO, Long PAN, Gregory SZEWCZYK, Ravi SUBRAMANYAM, Shiri NAWROCKI, Viktor DUBOVOY
  • Patent number: 10350151
    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: Grant
    Filed: December 26, 2014
    Date of Patent: July 16, 2019
    Assignee: Colgate-Palmolive Company
    Inventors: Baohua Qiao, Long Pan, Gregory Szewczyk, Ravi Subramanyam, Shiri Nawrocki, Viktor Dubovoy
  • Publication number: 20190185490
    Abstract: Described herein are complexes comprising a cationic antibacterial agent and a metal salt; oral care compositions comprising same; along with methods of making and using these complexes and compositions.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 20, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Viktor DUBOVOY, Long PAN, Ravi SUBRAMANYAM
  • Publication number: 20190185499
    Abstract: Disclosed herein are stannous-ascorbyl phosphate and stannic-asorbyl phosphate complexes, oral care compositions stannous-ascorbyl phosphate and stannic-asorbyl phosphate complexes, and methods of making and using the same.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 20, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Zhigang HAO, Chi-Yuan CHENG, Long PAN, Ravi SUBRAMANYAM
  • Publication number: 20190183755
    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: February 25, 2019
    Publication date: June 20, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Ravi SUBRAMANYAM, Suzanne JOGUN, Mahmoud HASSAN, Navin LEWIS, Xiao Yi HUANG, Shao Peng XU
  • Publication number: 20190183765
    Abstract: Disclosed herein are amino acid carbamate complexes, methods of synthesis thereof, oral care compositions comprising the same, and methods of making and using thereof.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 20, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Long PAN, Donghui WU, Ravi SUBRAMANYAM, Hongwei SHEN, Chi-Yuan CHENG, Tatiana BRINZARI
  • Publication number: 20190175479
    Abstract: Disclosed herein are zinc-amino acid-tripolyphosphate complexes, oral care and personal care compositions comprising zinc-amino acid-tripolyphosphate complexes, and methods of making and using the same.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 13, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Zhigang HAO, Dennis ZHANG, Donghui WU, Ravi SUBRAMANYAM, Chi-Yuan CHENG, Long PAN, Stanislav JARACZ
  • 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