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).

  • 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
  • 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
  • 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
  • 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
  • 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: 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
  • 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
  • Publication number: 20200352832
    Abstract: Described herein are oral care compositions comprising metal silicates (e.g. potassium silicate); along with methods of making and using same.
    Type: Application
    Filed: March 24, 2020
    Publication date: November 12, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Pooja KULKARNI, Lin FEI, Suman CHOPRA, Hallena STROTMAN, Saide TANG
  • Publication number: 20200352834
    Abstract: Described herein are oral care compositions comprising metal silicates (e.g. sodium silicate); along with methods of making and using same.
    Type: Application
    Filed: April 17, 2020
    Publication date: November 12, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Saide TANG, Lin FEI, Suman CHOPRA, Hallena STROTMAN, Pooja KULKARNI
  • 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
  • Publication number: 20200261347
    Abstract: Disclosed is a stable whitening dentifrice composition including a whitening complex, wherein the whitening complex comprises (a) a whitening agent and (b) a cross-linked vinyl lactam based polymer. The stable whitening dentifrice composition further includes a blue pigment having a blue to blue-violet color with a hue angle in the CIELAB system ranging from 200 degrees to 320 degrees, a zinc salt, and an orally acceptable vehicle. Methods of using the composition to whiten tooth surfaces are also disclosed.
    Type: Application
    Filed: December 14, 2015
    Publication date: August 20, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Dennis ONTUMI, Venda PORTER-MALONEY, Suman CHOPRA
  • Publication number: 20200206125
    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: Application
    Filed: December 26, 2018
    Publication date: July 2, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Saide TANG, Lin FEI, Suman CHOPRA, Abhishek AGRAWAL
  • Publication number: 20200197270
    Abstract: Described herein are oral care compositions comprising an orally acceptable carrier; an abrasive system comprising a calcium-based abrasive; and a core shell silica particle comprising; a metal silicate; and a silica particle comprising a core having a surface; wherein the metal silicate is chemically bound to a surface of the silica core; and wherein the metal silicate comprises a silicate of a divalent metal ion. Methods of making and using these compositions are also described.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Saide Tang, Lin Fei, Suman Chopra, Neelima Utgikar
  • Publication number: 20200138682
    Abstract: An oral care composition, including a peroxide source, a peroxysulfate whitening agent, a hydrophobic base, and sodium tripolyphosphate.
    Type: Application
    Filed: November 2, 2018
    Publication date: May 7, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Tanaz GALIYARA, Suman CHOPRA
  • Patent number: 10624824
    Abstract: The present invention provides an oral care composition comprising from 3 to 12 weight % calcium pyrophosphate and from 10 to 19 weight % precipitated silica, based on the total weight of the composition, wherein the precipitated silica has a pellicle cleaning ratio of greater than 85. The present invention further provides a method of cleaning and/or polishing and/or whitening an oral surface comprising contacting the oral surface with the oral care composition.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: April 21, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Venda Maloney, Suman Chopra, Rahul Patel
  • Publication number: 20200114169
    Abstract: An oral treatment device that emits electromagnetic radiation onto surfaces of a user's teeth. The oral treatment device may include an intraoral mouthpiece and a handle extending therefrom, the handle containing the control circuitry required for operation of the device. The mouthpiece may include a lamp support structure, a lamp, a lens plate, and a guard component. The lamp may include an electromagnetic radiation source that includes a flexible sheet and a plurality of illumination elements located thereon. The illumination elements may be light emitting diodes printed with an electrically conductive. Additional electronic components such as a processor and a power source may also be included in the device.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 16, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Brian BLOCH, Patrik JOHANSSON, Xiang CHEN, Suman CHOPRA
  • Patent number: 10596084
    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: July 30, 2018
    Date of Patent: March 24, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Venda Maloney, Suman Chopra, Hallena Strotman, Guisheng Pan
  • Publication number: 20200022897
    Abstract: An oral care composition, including a structurant including a carboxypolymethylene polymer, a humectant including glycerin, a whitening agent including hydrogen peroxide, and a carrier including water, wherein the oral care composition has a pH from about 4 to about 6, a transmission rate of at least 58%, a refraction index of about 1.40 or less, and a transmission loss rate of 2% or less at a surface interface due to refraction of light, for light in the wavelength of about 400 nm to about 420 nm.
    Type: Application
    Filed: July 18, 2018
    Publication date: January 23, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Xiang CHEN, Suman CHOPRA
  • Patent number: 10532012
    Abstract: Methods for preparing high loading core shell silica (CSS) particles, or CSS particles having a relatively greater amount of surface active silicate groups than CSS particles prepared according to conventional methods is provided. The method may include contacting silica particles with a base having a first metal ion to produce core shell silica particles. Each of the core shell silica particles may include a silica core and a silicate of the first metal ion etched on a surface of the silica core. The method may also include contacting each of the core shell silica particles having the silicate of the first metal ion with an acidic aqueous solution including a metal salt having a second metal ion to produce core shell silica particles including the silica core and a silicate of the second metal ion on the surface of the silica core.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: January 14, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Saide Tang, Lin Fei, Suman Chopra
  • 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