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: 20090202456
    Abstract: The invention relates to novel arginine salts, compositions comprising them, and their uses.
    Type: Application
    Filed: March 28, 2008
    Publication date: August 13, 2009
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Michael Prencipe, Guofeng Xu, Ravi Subramanyam, Donghui Wu, Diane Cummins, Richard J. Sullivan, Ralph Peter Santarpia, III, Sarita V. Mello, Lynette Zaidel, Suman Chopra, Qin Wang, Gary Edward Tambs, Virginia Monsul Barnes, Andre M. Morgan, Rajnish Kohli, Richard Scott Robinson, Sergio Leite, Eric A. Simon
  • Publication number: 20090202455
    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: Application
    Filed: March 28, 2008
    Publication date: August 13, 2009
    Applicant: 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
  • Publication number: 20090202454
    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 antibacterial agent, and to methods of using and of making such compositions.
    Type: Application
    Filed: March 28, 2008
    Publication date: August 13, 2009
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Michael Prencipe, Ravi Subramanyam, Sarita V. Mello, Donghui Wu, Suman Chopra, Andre M. Morgan, Diane Cummins, Richard J. Sullivan, Ralph Peter Santarpia, III, Lynette Zaidel, Qin Wang, Gary Edward Tambs, Virginia Monsul Barnes, Rajnish Kohli, Richard Scott Robinson, Sergio Leite, Eric A. Simon
  • Publication number: 20090202451
    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: Application
    Filed: March 28, 2008
    Publication date: August 13, 2009
    Applicant: 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
  • Publication number: 20090202452
    Abstract: The invention includes methods of cleaning an oral surface, maintaining oral health and/or increasing oral health. Such methods encompass contacting an oral surface with a primary oral care composition at least once daily, contacting the oral surface with a periodic oral care maintenance composition at least once monthly, wherein the periodic oral care maintenance composition comprises a basic amino acid, in free or salt form and optionally contacting the oral surface with a periodic oral care cleaning composition at least once monthly. The periodic oral care cleaning compositions suitable for use in the method comprise an abrasive system.
    Type: Application
    Filed: November 17, 2008
    Publication date: August 13, 2009
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Richard Scott Robinson, Richard J. Sullivan, Michael Prencipe, Rajnish Kohli, Isabelle Van Rycke, Richard Lovell, Sergio Leite, Eric A. Simon, Ralph Peter Santarpia, III, Diane Cummins, Sarita V. Mello, Suman Chopra, Karen J. DePierro, Lynette Zaidel, Constantina Christopoulou, Ravi Subramanyam, Donghui Wu, Andre M. Morgan, Qin Wang, Gary Edward Tambs, Virginia Monsul Barnes
  • Publication number: 20090155192
    Abstract: The invention provides an antiplaque oral composition that includes an orally acceptable carrier; and an antibacterially effective amount of a compound of structure (I) In the structure, R1 and R2 are independently selected from a lower C1-4 alkyl group and R3 and R4 are independently an alkenyl or alkyl group having from 1 to 20 carbon atoms. Also included in the invention are toothpastes or tooth gels that include at least one humectant: at least one abrasive compound; and an antibacterially effective amount of the compound represented by the structure of formula (I). Also provided are methods of inhibiting bacterial growth in the oral cavity of an animal by application of the compound of formula (I).
    Type: Application
    Filed: February 23, 2009
    Publication date: June 18, 2009
    Applicant: COLGATE-PAMOLIVE
    Inventor: Ravi Subramanyam
  • Publication number: 20090087461
    Abstract: The invention includes a compound or an oral care composition comprising a compound represented by the structure (I): wherein R3 is selected from a hydrogen atom and a structure represented by: wherein m is an integer of 0 to 100, R is independently selected from a first hydrocarbon structure having from 1 to 50 carbon atom and R1 and R2 are independently chosen from a hydrogen atom and a second hydrocarbon structure having 1 to 10 carbon atoms. Related methods are also disclosed.
    Type: Application
    Filed: October 1, 2007
    Publication date: April 2, 2009
    Inventors: Thomas James Boyd, Guofeng Xu, Ravi Subramanyam, Joe Vazquez
  • Publication number: 20080292566
    Abstract: The present invention relates to an oral composition useful to reduce inflammatory processes. More specifically, the invention relates to a composition consisting essentially of an anti-oxidative effective amount of morin and a water-humectant phase, and to a composition comprising an anti-oxidative effective amount of morin, one or more anti-bacterial agents and a water-humectant phase. In an embodiment, the composition is used in a method of preventing or treating inflammatory dental diseases such as gingivitis and periodontitis.
    Type: Application
    Filed: August 4, 2008
    Publication date: November 27, 2008
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Ryan Bradley Cameron, Ravi Subramanyam, Harsh Trivedi, Cortney Worrell
  • Publication number: 20080274065
    Abstract: The invention includes methods of cleaning an oral surface, maintaining oral health and/or increasing oral health. Such methods encompass contacting an oral surface with a primary oral care composition at least once daily, contacting the oral surface with a periodic oral care maintenance composition at least once monthly, wherein the periodic oral care maintenance composition comprises a basic amino acid, in free or salt form and optionally contacting the oral surface with a periodic oral care cleaning composition at least once monthly. The periodic oral care cleaning compositions suitable for use in the method comprise an abrasive system.
    Type: Application
    Filed: February 8, 2008
    Publication date: November 6, 2008
    Inventors: Richard Scott Robinson, Richard J. Sullivan, Michael Prencipe, Rajnish Kohli, Isabelle Van Rycke, Richard Lovell, Sergio Leite, Eric A. Simon, Ralph Peter Santarpia, Diane Cummins, Sarita V. Mello, Suman Chopra, Karen J. DePierro, Lynette Zaidel, Constantina Christopoulou, Ravi Subramanyam, Donghui Wu, Andre M. Morgan, Qin Wang, Gary Edward Tambs, Virginia Monsul Barnes
  • Publication number: 20070092454
    Abstract: The present invention relates to an oral composition useful to reduce inflammatory processes. More specifically, the invention relates to a composition consisting essentially of an anti-oxidative effective amount of morin and a water-humectant phase, and to a composition comprising an anti-oxidative effective amount of morin, one or more anti-bacterial agents and a water-humectant phase. In an embodiment, the composition is used in a method of preventing or treating inflammatory dental diseases such as gingivitis and periodontitis.
    Type: Application
    Filed: October 24, 2005
    Publication date: April 26, 2007
    Inventors: Ryan Cameron, Ravi Subramanyam, Harsh Trivedi, Cortney Worrell
  • Publication number: 20060233722
    Abstract: The invention provides an antiplaque oral composition that includes an orally acceptable carrier; and an antibacterially effective amount of a compound of structure (I) In the structure, R1 and R2 are independently selected from a lower C1-4 alkyl group and R3 and R4 are independently an alkenyl or alkyl group having from 1 to 20 carbon atoms. Also included in the invention are toothpastes or tooth gels that include at least one humectant; at least one abrasive compound; and an antibacterially effective amount of the compound represented by the structure of formula (I). Also provided are methods of inhibiting bacterial growth in the oral cavity of an animal by application of the compound of formula (I).
    Type: Application
    Filed: March 14, 2006
    Publication date: October 19, 2006
    Inventor: Ravi Subramanyam
  • Publication number: 20060210489
    Abstract: The invention provides an antiplaque oral composition containing an orally acceptable carrier and an antibacterial effective amount of compound (I): In the structure, R1 and R2 are independently a hydrogen atom or a lower C1-4 alkyl group and R3 and R4 are independently an alkenyl or alkyl group having from 1 to 20 carbon atoms, with the proviso that R3 and R4 are not both 2-propenyl or n-propyl when R1 and R2 are both hydrogen atoms. Also included are oral compositions containing the compound (I).
    Type: Application
    Filed: March 7, 2006
    Publication date: September 21, 2006
    Inventor: Ravi Subramanyam
  • Publication number: 20060140880
    Abstract: Antiplaque oral compositions are provided that contain an orally acceptable carrier and an antibacterial effective amount of the compound of formula (I). In various embodiments, the compositions contain from about 0.001% to about 10% by weight of the compound of formula (I).
    Type: Application
    Filed: November 28, 2005
    Publication date: June 29, 2006
    Inventors: Ravi Subramanyam, Prem Sreenivasan
  • Publication number: 20050249679
    Abstract: Dual-component tooth-whitening systems are disclosed comprising a peroxygen whitening agent in the first component and a transition metal catalyst along with an alkaline compound in the second component. Also disclosed are tooth-whitening methods based upon the systems.
    Type: Application
    Filed: May 10, 2004
    Publication date: November 10, 2005
    Inventors: Ryan Cameron, Yelloji Mirajkar, Ravi Subramanyam
  • Publication number: 20050214720
    Abstract: A method for whitening a dental surface comprises nonsimultaneously applying a whitening composition to the surface, the whitening composition comprising at least one orally acceptable peroxy compound, and directing a volume of up to about 2.5 ml of an atomized activating composition on to the surface, wherein the activating composition comprises, in the volume so directed, a peroxy compound activating effective amount of at least one orally acceptable basifying agent, and wherein applying the whitening composition and directing the activating composition are separated by an interval not greater than a peroxy compound activating effective interval. The atomized composition can be directed on to the dental surface before or after application of the whitening composition.
    Type: Application
    Filed: March 29, 2004
    Publication date: September 29, 2005
    Inventors: Nebojsa Milanovich, Ryan Cameron, John Curtis, Ravi Subramanyam, Michael Prencipe
  • Patent number: 6451291
    Abstract: An oral composition comprising in an orally acceptable vehicle, an effective antiplaque amount of an halogenated diphenyl ether or phenolic antibacterial compound, and an amount of an mixed anionic/zwitterionic surfactant system which is effective to increase the uptake of the antibacterial compound to dental tissue so as to enhance the therapeutic efficacy of the administered antibacterial compound.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: September 17, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Xiaoyan Liu, Malcolm Williams, Ravi Subramanyam
  • Patent number: 6379652
    Abstract: A method to suppress oral malodor and provide long lasting breath protection wherein there is applied to the oral cavity of the user an oral composition comprising an orally acceptable vehicle containing therein a flavor system comprised of a mixture of an essential oil and a coolant compound which is a menthyl ester of naturally occurring hydrocarboxylic acids having 2 to 6 carbon atoms esterified with C1-C4 alkyl groups.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: April 30, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Xiaoyan Liu, Malcolm Williams, Ravi Subramanyam, John Hughes
  • Patent number: 6375933
    Abstract: A dual component oral composition to suppress oral malodor and provide long lasting breath protection in the oral cavity which comprises a first dentifrice component having a substantially neutral pH and containing a zinc ion releasable compound and a chlorite ion releasable compound, the second dentifrice component having an acid pH, the first and second components being maintained separate from each other until dispensed and combined for application to teeth, the combined components having a pH of no greater than 7.
    Type: Grant
    Filed: January 3, 2001
    Date of Patent: April 23, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Ravi Subramanyam, Malcolm Williams, Petros Gebreselassie, Xiaoyan Liu, Angelo Zaccagnino, James G. Masters
  • Patent number: 5939378
    Abstract: This invention relates to a method of manufacturing a concentrated aqueous solution of an amine oxide and the use of the solution in cleaning compositions.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: August 17, 1999
    Assignee: Colgate Palmolive Company
    Inventors: Orum D. Stringer, Syed Hasain Abbas, Ravi Subramanyam
  • Patent number: 5922672
    Abstract: This invention relates to a method of manufacturing a concentrated aqueous solution of an amine oxide and the use of the solution in cleaning compositions.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: July 13, 1999
    Assignee: Colgate-Palmolive Co
    Inventors: Orum D. Stringer, Syed Hasain Abbas, Ravi Subramanyam