Patents by Inventor Prakasarao Mandadi

Prakasarao Mandadi 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: 20230136932
    Abstract: Described herein are oral care compositions comprising a crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, together with particular co-polymers as additional excipients; including some embodiments which further comprise a calcium abrasive.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 4, 2023
    Applicant: Colgate-PalmoliveCompany
    Inventors: Suman CHOPRA, Dennis Ontumi, Prakasarao Mandadi, Venda Porter Maloney
  • Patent number: 11596593
    Abstract: Oral care compositions comprising: (a) a peroxide complex comprising a peroxide component and an N-vinyl heterocyclic polymer (e.g., poly-N-vinyl polylactam, or poly-N-vinyl-polyimide); (b) a whitening agent (e.g., hydrogen peroxide); and (c) an orally acceptable carrier. In one embodiment, the carrier comprises a film forming material. Methods are also provided for making an oral care composition comprising: (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture; (b) adding a peroxide complex to said homogenous mixture, wherein said complex comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and (c) mixing under vacuum.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: March 7, 2023
    Assignee: Colgate-Palmolive Company
    Inventors: Lynette Zaidel, Guisheng Pan, Suman Chopra, Prakasarao Mandadi, Michael Prencipe
  • Patent number: 11540996
    Abstract: Described herein are oral care compositions comprising a crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, together with particular co-polymers as additional excipients; including some embodiments which further comprise a calcium abrasive.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: January 3, 2023
    Assignee: Colgate-Palmolive Company
    Inventors: Suman Chopra, Dennis Ontumi, Prakasarao Mandadi, Venda Maloney
  • Publication number: 20220212038
    Abstract: The present invention relates to oral care compositions with improved flavor release characteristics and improved taste, and methods of using the same.
    Type: Application
    Filed: March 24, 2022
    Publication date: July 7, 2022
    Applicant: Colgate-Palmolive Company
    Inventors: Barbara Hepler, Prakasarao Mandadi, Jeffrey Merl Miller, Lynett Zaidel, Bernie Lee Blackwell
  • Publication number: 20220211595
    Abstract: Anhydrous oral care compositions and methods for preventing phase separation in the anhydrous oral care composition are disclosed. The oral care composition may include an orally acceptable vehicle, a thickening system, and a whitening agent. The orally acceptable vehicle may include propylene glycol, and the thickening system may include a polymeric thickener. The polymeric thickener may be or include a copolymer of 2-acrylamidomethylpropanesulphonic acid or a salt thereof.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Applicant: Colgate-Palmolive Company
    Inventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA
  • Patent number: 11278478
    Abstract: Anhydrous oral care compositions and methods for preventing phase separation in the anhydrous oral care composition are disclosed. The oral care composition may include an orally acceptable vehicle, a thickening system, and a whitening agent. The orally acceptable vehicle may include propylene glycol, and the thickening system may include a polymeric thickener. The polymeric thickener may be or include a copolymer of 2-acrylamidomethylpropanesulphonic acid or a salt thereof.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: March 22, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Lin Fei, Prakasarao Mandadi, Suman Chopra
  • Publication number: 20210401699
    Abstract: Anhydrous oral care compositions and methods for preventing phase separation in the anhydrous oral care composition are disclosed. The oral care composition may include an orally acceptable vehicle, a thickening system, and a whitening agent. The orally acceptable vehicle may include propylene glycol, and the thickening system may include a polymeric thickener. The polymeric thickener may be or include a copolymer of 2-acrylamidomethylpropanesulphonic acid or a salt thereof.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Inventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA
  • Publication number: 20210137815
    Abstract: Oral care compositions comprising: (a) a peroxide complex comprising a peroxide component and an N-vinyl heterocyclic polymer (e.g., poly-N-vinyl polylactam, or poly-N-vinyl-polyimide); (b) a whitening agent (e.g., hydrogen peroxide); and (c) an orally acceptable carrier. In one embodiment, the carrier comprises a film forming material. Methods are also provided for making an oral care composition comprising: (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture; (b) adding a peroxide complex to said homogenous mixture, wherein said complex comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and (c) mixing under vacuum.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Applicant: Colgate-Palmolive Company
    Inventors: Lynette Zaidel, Guisheng Pan, Suman Chopra, Prakasarao Mandadi, Michael Prencipe
  • Patent number: 10959936
    Abstract: Oral care compositions comprising: (a) a peroxide complex comprising a peroxide component and an N-vinyl heterocyclic polymer (e.g., poly-N-vinyl polylactam, or poly-N-vinyl-polyimide); (b) a whitening agent (e.g., hydrogen peroxide); and (c) an orally acceptable carrier. In one embodiment, the carrier comprises a film forming material. Methods are also provided for making an oral care composition comprising: (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture; (b) adding a peroxide complex to said homogenous mixture, wherein said complex comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and (c) mixing under vacuum.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: March 30, 2021
    Assignee: Colgate-Palmolive Company
    Inventors: Lynette A. Zaidel, Guisheng Pan, Suman K. Chopra, Prakasarao Mandadi, Michael Prencipe
  • Publication number: 20200345615
    Abstract: Oral care compositions comprising: (a) a peroxide complex comprising a peroxide component and an N-vinyl heterocyclic polymer (e.g., poly-N-vinyl polylactam, or poly-N-vinyl-polyimide); (b) a whitening agent (e.g., hydrogen peroxide); and (c) an orally acceptable carrier. In one embodiment, the carrier comprises a film forming material. Methods are also provided for making an oral care composition comprising: (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture; (b) adding a peroxide complex to said homogenous mixture, wherein said complex comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and (c) mixing under vacuum.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 5, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Lynette A. ZAIDEL, Guisheng PAN, Suman K. CHOPRA, Prakasarao MANDADI, Michael PRENCIPE
  • Patent number: 10758472
    Abstract: Oral care compositions comprising: (a) a peroxide complex comprising a peroxide component and an N-vinyl heterocyclic polymer (e.g., poly-N-vinyl polylactam, or poly-N-vinyl-polyimide); (b) a whitening agent (e.g., hydrogen peroxide); and (c) an orally acceptable carrier. In one embodiment, the carrier comprises a film forming material. Methods are also provided for making an oral care composition comprising: (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture; (b) adding a peroxide complex to said homogenous mixture, wherein said complex comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and (c) mixing under vacuum.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: September 1, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Lynette Zaidel, Guisheng Pan, Suman Chopra, Prakasarao Mandadi, Michael Prencipe
  • Patent number: 10517804
    Abstract: Oral care compositions and methods for whitening and preventing stains on teeth are provided. The oral care composition may include an orally acceptable vehicle, a peroxide whitening agent, and an abrasive system. The orally acceptable vehicle may include a block copolymer of ethylene oxide and propylene oxide, and the abrasive system may include at least one insoluble phosphate salt.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: December 31, 2019
    Assignee: Colgate-Palmolive Company
    Inventors: Lin Fei, Prakasarao Mandadi, Suman Chopra
  • Patent number: 10507171
    Abstract: Described herein are oral care compositions comprising (i) a peroxide whitening agent comprising a whitening complex of crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, (ii) sodium acid pyrophosphate (Na2H2P2O7) in an amount of from 0.05 wt % to 5 wt % based on the weight of the composition, and (iii) less than 3 wt % water based on the weight of the composition.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: December 17, 2019
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Prakasarao Mandadi, Olivier Garot
  • Publication number: 20190336432
    Abstract: Described herein are oral care compositions comprising a crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, together with particular co-polymers as additional excipients; including some embodiments which further comprise a calcium abrasive.
    Type: Application
    Filed: July 16, 2019
    Publication date: November 7, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Suman CHOPRA, Dennis ONTUMI, Prakasarao MANDADI, Venda MALONEY
  • Publication number: 20190262244
    Abstract: Described herein are oral care compositions comprising a crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide; including some embodiments which further comprise an ethylene oxide, propylene oxide block co-polymer.
    Type: Application
    Filed: May 14, 2019
    Publication date: August 29, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Dennis ONTUMI, Venda P. MALONEY, Suman K. CHOPRA, Prakasarao MANDADI
  • Patent number: 10363210
    Abstract: Described herein are oral care compositions comprising a crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, together with particular co-polymers as additional excipients; including some embodiments which further comprise a calcium abrasive.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: July 30, 2019
    Assignee: Colgate-Palmolive Company
    Inventors: Suman Chopra, Dennis Ontumi, Prakasarao Mandadi, Venda Porter Maloney
  • Publication number: 20190216694
    Abstract: Disclosed is a dentifrice composition including an orally acceptable vehicle including a whitening agent, and at least one particle that include a colorant encapsulated by a protective barrier that includes a paraffin wax, wherein the protective barrier suppresses migration of the colorant into the orally acceptable vehicle for a duration of time of at least about 1 day. Methods of preparing the dentifrice composition and using the composition to whiten tooth surfaces are also disclosed.
    Type: Application
    Filed: August 30, 2016
    Publication date: July 18, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Lin FEI, Suman CHOPRA, Prakasarao MANDADI
  • Publication number: 20190175466
    Abstract: Anhydrous oral care compositions and methods for preventing phase separation in the anhydrous oral care composition are disclosed. The oral care composition may include an orally acceptable vehicle, a thickening system, and a whitening agent. The orally acceptable vehicle may include propylene glycol, and the thickening system may include a polymeric thickener. The polymeric thickener may be or include a copolymer of 2-acrylamidomethylpropanesulphonic acid or a salt thereof.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 13, 2019
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA
  • Publication number: 20190159982
    Abstract: Oral care compositions and methods for whitening and preventing stains on teeth are provided. The oral care composition may include an orally acceptable vehicle, a peroxide whitening agent, and an abrasive system. The orally acceptable vehicle may include a block copolymer of ethylene oxide and propylene oxide, and the abrasive system may include at least one insoluble phosphate salt.
    Type: Application
    Filed: November 30, 2017
    Publication date: May 30, 2019
    Applicant: Colgate-Palmolive Company
    Inventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA
  • Patent number: 10299998
    Abstract: Provided is a single phase oral care composition having a whitening agent; a first abrasive selected from calcium pyrophosphate, calcium carbonate, and dicalcium phosphate; a second abrasive that may include sodium metaphosphate; an anticalculus agent; and a substantially anhydrous carrier that may include an ethylene oxide/propylene oxide copolymer. In the composition, a wt % of the second abrasive is equal to or greater than a wt % of the first abrasive.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: May 28, 2019
    Assignee: Colgate-Palmolive Company
    Inventors: Lin Fei, Suman Chopra, Prakasarao Mandadi