Patents by Inventor Navin Lewis

Navin Lewis 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).

  • Patent number: 10646422
    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: February 25, 2019
    Date of Patent: May 12, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Ravi Subramanyam, Suzanne Jogun, Mahmoud Hassan, Navin Lewis, Xiao Yi Huang, Shao Peng Xu
  • 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
  • Patent number: 9655838
    Abstract: The invention provides antibacterial combinations of essential oils comprising bisabolol and one or more essential oils selected from citral, carvacrol, oregano extract, and rosemary, or comprising carvacrol and one or more essential oils selected from bisabolol, thymol, and rosemary, together with compositions, e.g., oral care compositions, comprising these combinations, and uses therefore.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: May 23, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Shashank Potnis, Steven Fisher, Navin Lewis, Gary Tambs
  • Patent number: 9562254
    Abstract: Procedures are provided to evaluate the effectiveness of slow-acting antibacterial agents such as metal salts on reduction of bacterial oral biofilm. In the modified process, the exposure time of the agent is increased from the usual 3 minutes to 7-15 minutes, e.g., about 10 minutes, and the duration increased to 5-12 days, e.g., about 8 days instead of the conventional 3 days.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: February 7, 2017
    Assignee: Colgate-Palmolive Company
    Inventors: Shashank Potnis, Navin Lewis
  • Publication number: 20160051461
    Abstract: The invention provides antibacterial combinations of essential oils comprising bisabolol and one or more essential oils selected from citral, carvacrol, oregano extract, and rosemary, or comprising carvacrol and one or more essential oils selected from bisabolol, thymol, and rosemary, together with compositions, e.g., oral care compositions, comprising these combinations, and uses therefore.
    Type: Application
    Filed: June 18, 2013
    Publication date: February 25, 2016
    Applicant: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Shashank Potnis, Steven Fisher, Navin Lewis, Gary Tambs
  • Publication number: 20160010137
    Abstract: Procedures are provided to evaluate the effectiveness of slow-acting antibacterial agents such as metal salts on reduction of bacterial oral biofilm. In the modified process, the exposure time of the agent is increased from the usual 3 minutes to 7-15 minutes, e.g., about 10 minutes, and the duration increased to 5-12 days, e.g., about 8 days instead of the conventional 3 days.
    Type: Application
    Filed: March 19, 2013
    Publication date: January 14, 2016
    Applicant: Colgate-Palmolive Company
    Inventors: Shashank Potnis, Navin Lewis
  • Publication number: 20160000667
    Abstract: Described herein are toothpastes comprising a first dentifrice comprising a calcium carbonate abrasive and a second dentifrice comprising a zinc ion source in a gel base, wherein the second dentifrice is entrained as a stripe in the first dentifrice, as well as products comprising the toothpaste and methods of making and using the same.
    Type: Application
    Filed: March 19, 2013
    Publication date: January 7, 2016
    Applicant: Colgate-Palmolive Company
    Inventors: Shashank Potnis, Ravi Subramanyam, Navin Lewis