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).
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Patent number: 12048854Abstract: 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: GrantFiled: December 30, 2022Date of Patent: July 30, 2024Assignee: Colgate-Palmolive CompanyInventors: Suman Chopra, Dennis Ontumi, Prakasarao Mandadi, Venda Porter Maloney
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Publication number: 20230136932Abstract: 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: ApplicationFiled: December 30, 2022Publication date: May 4, 2023Applicant: Colgate-PalmoliveCompanyInventors: Suman CHOPRA, Dennis Ontumi, Prakasarao Mandadi, Venda Porter Maloney
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Patent number: 11596593Abstract: 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: GrantFiled: January 22, 2021Date of Patent: March 7, 2023Assignee: Colgate-Palmolive CompanyInventors: Lynette Zaidel, Guisheng Pan, Suman Chopra, Prakasarao Mandadi, Michael Prencipe
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Patent number: 11540996Abstract: 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: GrantFiled: July 16, 2019Date of Patent: January 3, 2023Assignee: Colgate-Palmolive CompanyInventors: Suman Chopra, Dennis Ontumi, Prakasarao Mandadi, Venda Maloney
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Publication number: 20220212038Abstract: The present invention relates to oral care compositions with improved flavor release characteristics and improved taste, and methods of using the same.Type: ApplicationFiled: March 24, 2022Publication date: July 7, 2022Applicant: Colgate-Palmolive CompanyInventors: Barbara Hepler, Prakasarao Mandadi, Jeffrey Merl Miller, Lynett Zaidel, Bernie Lee Blackwell
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Publication number: 20220211595Abstract: 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: ApplicationFiled: March 21, 2022Publication date: July 7, 2022Applicant: Colgate-Palmolive CompanyInventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA
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Patent number: 11278478Abstract: 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: GrantFiled: December 13, 2017Date of Patent: March 22, 2022Assignee: Colgate-Palmolive CompanyInventors: Lin Fei, Prakasarao Mandadi, Suman Chopra
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Publication number: 20210401699Abstract: 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: ApplicationFiled: September 10, 2021Publication date: December 30, 2021Inventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA
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Publication number: 20210137815Abstract: 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: ApplicationFiled: January 22, 2021Publication date: May 13, 2021Applicant: Colgate-Palmolive CompanyInventors: Lynette Zaidel, Guisheng Pan, Suman Chopra, Prakasarao Mandadi, Michael Prencipe
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Patent number: 10959936Abstract: 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: GrantFiled: July 21, 2020Date of Patent: March 30, 2021Assignee: Colgate-Palmolive CompanyInventors: Lynette A. Zaidel, Guisheng Pan, Suman K. Chopra, Prakasarao Mandadi, Michael Prencipe
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Publication number: 20200345615Abstract: 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: ApplicationFiled: July 21, 2020Publication date: November 5, 2020Applicant: Colgate-Palmolive CompanyInventors: Lynette A. ZAIDEL, Guisheng PAN, Suman K. CHOPRA, Prakasarao MANDADI, Michael PRENCIPE
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Patent number: 10758472Abstract: 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: GrantFiled: February 20, 2018Date of Patent: September 1, 2020Assignee: Colgate-Palmolive CompanyInventors: Lynette Zaidel, Guisheng Pan, Suman Chopra, Prakasarao Mandadi, Michael Prencipe
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Patent number: 10517804Abstract: 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: GrantFiled: November 30, 2017Date of Patent: December 31, 2019Assignee: Colgate-Palmolive CompanyInventors: Lin Fei, Prakasarao Mandadi, Suman Chopra
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Patent number: 10507171Abstract: 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: GrantFiled: August 3, 2018Date of Patent: December 17, 2019Assignee: Colgate-Palmolive CompanyInventors: Michael Prencipe, Prakasarao Mandadi, Olivier Garot
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Publication number: 20190336432Abstract: 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: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Applicant: Colgate-Palmolive CompanyInventors: Suman CHOPRA, Dennis ONTUMI, Prakasarao MANDADI, Venda MALONEY
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Publication number: 20190262244Abstract: 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: ApplicationFiled: May 14, 2019Publication date: August 29, 2019Applicant: Colgate-Palmolive CompanyInventors: Dennis ONTUMI, Venda P. MALONEY, Suman K. CHOPRA, Prakasarao MANDADI
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Patent number: 10363210Abstract: 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: GrantFiled: October 3, 2017Date of Patent: July 30, 2019Assignee: Colgate-Palmolive CompanyInventors: Suman Chopra, Dennis Ontumi, Prakasarao Mandadi, Venda Porter Maloney
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Publication number: 20190216694Abstract: 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: ApplicationFiled: August 30, 2016Publication date: July 18, 2019Applicant: Colgate-Palmolive CompanyInventors: Lin FEI, Suman CHOPRA, Prakasarao MANDADI
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Publication number: 20190175466Abstract: 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: ApplicationFiled: December 13, 2017Publication date: June 13, 2019Applicant: COLGATE-PALMOLIVE COMPANYInventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA
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Publication number: 20190159982Abstract: 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: ApplicationFiled: November 30, 2017Publication date: May 30, 2019Applicant: Colgate-Palmolive CompanyInventors: Lin FEI, Prakasarao MANDADI, Suman CHOPRA