Patents by Inventor Suman Chopra

Suman Chopra 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).

  • Core Shell Silica Particles and Uses Thereof As an Anti-Bacterial Agent
    Publication number: 20220265535
    Abstract: This invention provides core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core etched with group I metal silicate. These core shell silica particles have high surface charge density and anti-bacterial activity. Also provided are compositions comprising core shell silica particles, process of making the core shell silica particles and methods of reducing or inhibiting bacterial activity by administering the core shell silica particles or compositions thereof.
    Type: Application
    Filed: May 10, 2022
    Publication date: August 25, 2022
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng PAN, Suman CHOPRA
  • Tooth whitening oral care product with core shell silica particles
    Patent number: 11400032
    Abstract: The present invention provides a tooth whitening oral care composition comprising: (i) a dye having a blue to blue-violet color with a hue angle in the CIELAB system ranging from 200 to 320 degrees; (ii) core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core is etched with metal silicate; (iii) an orally acceptable carrier vehicle comprising a non-aqueous solvent; and wherein the composition comprises water in an amount of from 3 weight % to 30 weight %.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 2, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Venda Maloney, Suman Chopra, Hallena Strotman, Guisheng Pan
  • Oral Care Compositions and Methods for Increasing Stability of the Same
    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
  • Two-phase oral care whitening compositions
    Patent number: 11376206
    Abstract: A two-phase oral care whitening composition including a hydrophobic phase and a hydrophilic phase, and methods for oral care whitening teeth with the same are provided. The hydrophobic phase may include a source of hydrogen peroxide and an acyl donor. The hydrophilic phase may include an enzyme that catalyzes the generation of peracetic acid between the source of hydrogen peroxide and the acyl donor. At least one of the hydrophobic phase and the hydrophilic phase may further include at least one surfactant.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 5, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Mahmoud Hassan, Xiang Chen, Shyamala Pillai, Guofeng Xu, LaTonya Kilpatrick-Liverman, Suman Chopra, Robert Dicosimo, Mark S. Payne
  • Oral Care Whitening Compositions
    Publication number: 20220183939
    Abstract: Disclosed herein are oral care compositions comprising a peroxide whitening complex in an amount to provide from 3.5% to 7% of hydrogen peroxide by weight of the composition, and a block copolymer of ethylene oxide and propylene oxide in an amount of from 40% to 60% by weight of the composition. Methods of making and using the dentifrices are also provided.
    Type: Application
    Filed: March 1, 2022
    Publication date: June 16, 2022
    Applicant: Colgate-Palmolive Company
    Inventors: Xiang Chen, Suman Chopra, Lin Fei
  • Dentifrice including zinc and blue dye or pigment
    Patent number: 11331252
    Abstract: A whitening dentifrice composition includes a blue coloring agent, a zinc salt, and an orally acceptable vehicle. The blue coloring agent is selected from the group consisting of a blue pigment and a blue dye. The blue pigment has a blue to blue-violet color with a hue angle in the CIELAB system ranging from 200 degrees to 320 degrees. The whitening dentifrice composition provides a greater whitening benefit to a tooth surface in comparison to a dentifrice composition that does not contain the zinc salt.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: May 17, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Agnieszka Kocinska, Suman Chopra, Jennifer Gronlund
  • Oral care whitening compositions
    Patent number: 11324677
    Abstract: Disclosed herein are oral care compositions comprising a peroxide whitening complex in an amount to provide from 3.5% to 7% of hydrogen peroxide by weight of the composition, and a block copolymer of ethylene oxide and propylene oxide in an amount of from 40% to 60% by weight of the composition. Methods of making and using the dentifrices are also provided.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: May 10, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Xiang Chen, Suman Chopra, Lin Fei
  • Core shell silica particles and uses thereof as an anti-bacterial agent
    Patent number: 11324678
    Abstract: This invention provides core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core etched with group I metal silicate. These core shell silica particles have high surface charge density and anti-bacterial activity. Also provided are compositions comprising core shell silica particles, process of making the core shell silica particles and methods of reducing or inhibiting bacterial activity by administering the core shell silica particles or compositions thereof.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: May 10, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Guisheng Pan, Suman Chopra
  • Oral care compositions and methods for increasing the stability of the same
    Patent number: 11304889
    Abstract: An oral care composition including a hydrophobic phase and a hydrophilic phase is disclosed. The hydrophobic phase may include a source of hydrogen peroxide and an acyl donor, and the hydrophilic phase may include an enzyme having perhydrolytic activity that catalyzes the generation of peracetic acid between the source of hydrogen peroxide and the acyl donor.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: April 19, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Shyamala Pillai, Guofeng Xu, LaTonya Kilpatrick-Liverman, Xiang Chen, Suman Chopra, Robert Dicosimo, Mark S. Payne, Mahmoud Hassan
  • Oral care compositions and methods for increasing stability of the same
    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
  • Peroxymonosulfate Toothpowder Composition for Tenacious Stains
    Publication number: 20220023169
    Abstract: A solid oral care composition, e.g., a tablet or powder, comprising an alkali metal peroxymonosulfate as an effective bleaching agent for the bleaching of tenacious tooth stains, such as tobacco stains and coffee stains.
    Type: Application
    Filed: October 8, 2021
    Publication date: January 27, 2022
    Applicant: Colgate-Palmolive Company
    Inventors: Cajetan DOGO-ISONAGIE, Lin FEI, Suman CHOPRA, Jennifer GRONLUND
  • Oral Care Compositions and Methods for Increasing Stability of the Same
    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
  • Oral Care Compositions
    Publication number: 20210401692
    Abstract: Oral care compositions and methods for the same are provided herein. The oral care composition may include an orally acceptable vehicle, a peroxide whitening agent, and one or more gelling agents. The gelling agents may include a fatty acid. The gelling agents may be free or substantially free of fatty alcohols. The gelling agents may include at least one of palmitic acid, stearic acid, or mixtures thereof.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng PAN, Lin FEI, Suman CHOPRA
  • Peroxymonosulfate toothpowder composition for tenacious stains
    Patent number: 11166890
    Abstract: A solid oral care composition, e.g., a tablet or powder, comprising an alkali metal peroxymonosulfate as an effective bleaching agent for the bleaching of tenacious tooth stains, such as tobacco stains and coffee stains.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: November 9, 2021
    Assignee: Colgate-Palmolive Company
    Inventors: Cajetan Dogo-Isonagie, Lin Fei, Suman Chopra, Jennifer Gronlund
  • Oral care compositions
    Patent number: 11141364
    Abstract: Oral care compositions and methods for the same are provided herein. The oral care composition may include an orally acceptable vehicle, a peroxide whitening agent, and one or more gelling agents. The gelling agents may include a fatty acid. The gelling agents may be free or substantially free of fatty alcohols. The gelling agents may include at least one of palmitic acid, stearic acid, or mixtures thereof.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: October 12, 2021
    Assignee: Colgate-Palmolive Company
    Inventors: Guisheng Pan, Lin Fei, Suman Chopra
  • Oral care compositions
    Patent number: 11083674
    Abstract: Compounds and methods for preparing and using the compounds are disclosed herein. The method for preparing the compounds may include contacting a metal ion or salt thereof with an alkali metal polyphosphate salt in an aqueous medium. The method may also include adding a base to increase a pH of the aqueous medium.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: August 10, 2021
    Assignee: Colgate-Palmolive Company
    Inventors: Guisheng Pan, Dennis Ontumi, Lin Fei, Suman Chopra, Tatiana Brinzari, Michael Stranick, Long Pan
  • Oral care compositions and methods for whitening teeth
    Patent number: 11033476
    Abstract: An oral care composition including an orally acceptable vehicle is disclosed. The orally acceptable vehicle includes a source of hydrogen peroxide, an acyl donor, and an enzyme that catalyzes the generation of peracetic acid between the source of hydrogen peroxide and the acyl donor.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: June 15, 2021
    Assignee: Colgate-Palmolive Company
    Inventors: Jennifer Gronlund, Guofeng Xu, Venda Porter Maloney, Junhong Mao, Shaotang Yuan, Suman Chopra, Jodie Parker, Rajnish Kohli, Robert Dicosimo, Kari A. Fosser, Sharon L. Haynie, Mark S. Payne, John T. Gannon
  • Oral Care Composition with Cross-Linked Polymer Peroxide
    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
  • Oral care compositions and methods for increasing stability of the same
    Patent number: 10925818
    Abstract: Anhydrous oral care compositions and methods for making and using the same are described herein. The anhydrous oral care compositions may include an orally acceptable vehicle, a peroxide whitening agent, and an abrasive system. The abrasive system may include at least one abrasive having a pellicle cleaning ratio (PCR) greater than or equal to 100.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: February 23, 2021
    Assignee: Colgate-Palmolive Company
    Inventors: Guisheng Pan, Lin Fei, Suman Chopra
  • Oral care compositions including plant-based abrasives and methods for the same
    Patent number: 10835484
    Abstract: An oral care composition and methods for whitening teeth are disclosed herein. The whitening composition may include an orally acceptable vehicle and one or more abrasives. The one or more abrasives may include at least one plant-based abrasive. The method for whitening teeth may include contacting the oral care composition with surfaces of the teeth at least twice a day for at least nine days.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: November 17, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Saide Tang, Lin Fei, Suman Chopra, Abhishek Agrawal