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).

  • Publication number: 20240197613
    Abstract: Aspects of the invention are directed to oral care compositions having enhanced peroxide stability. In accordance with some aspects, provided is an oral care composition having a polyol; a whitening agent comprising a peroxide; a thickening agent; and an abrasive system comprising insoluble phosphate salts, wherein the oral care composition contains less than about 5 wt. % of water, and all weight percentages are based on the total weight of the oral care composition.
    Type: Application
    Filed: December 18, 2023
    Publication date: June 20, 2024
    Applicant: Colgate-Palmolive Company
    Inventors: Rong DONG, Gregory SZEWCZYK, Suman CHOPRA
  • Publication number: 20240197585
    Abstract: Aspects of the disclosure are directed to oral care compositions. In accordance with an aspect of the invention, provided is an oral care composition including from about 2 to about 10 wt. % of a peroxide source; about 5 wt. % or more of potassium nitrate; and about 45 wt. % or more of water, wherein all weight percentages are based on the total weight of the oral care composition.
    Type: Application
    Filed: December 19, 2023
    Publication date: June 20, 2024
    Applicant: Colgate-Palmolive Company
    Inventors: Shaoyi ZHANG, Suman CHOPRA, Sergio LEITE
  • Publication number: 20240197584
    Abstract: Aspects of the disclosure are directed to oral care compositions. In accordance with an aspect of the invention, provided is an oral care composition having a whitening agent comprising a peroxide, a thickening system comprising two or more of: (i) a silica thickener, (ii) crosslinked polyvinyl pyrrolidone, or (iii) one of xanthan gum, cetyl alcohol, or a combination thereof; and an abrasive comprising calcium pyrophosphate; and from about 10 wt. % to 90 wt. % of water, wherein the oral care composition has a pH of about 4 to about 8, and all weight percentages are based on the total weight of the oral care composition.
    Type: Application
    Filed: December 19, 2023
    Publication date: June 20, 2024
    Applicant: Colgate-Palmolive Company
    Inventors: Shaoyi ZHANG, Suman CHOPRA
  • Patent number: 11951196
    Abstract: The present invention relates to 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, the core shell silica particles prepared by: i) admixing an amount of silica particles in water with an amount of a base, wherein the base comprises a monovalent metal ion, to produce core shell silica particles, each core shell silica particle comprising a silica core, and a surface of the silica core etched with a silicate of the monovalent metal ion; and ii) reacting the core shell silica particles formed in step i) with a metal salt comprising a second metal ion, to form core shell silica particles comprising silicate of the second metal ion on the surface of the silica core.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: April 9, 2024
    Assignee: Colgate-Palmolive Company
    Inventors: Guisheng Pan, Suman Chopra
  • Publication number: 20240091112
    Abstract: The present disclosure provides tooth whitening oral care compositions comprising potassium peroxymonosulfate and a source of hydrogen peroxide having improved stability, and methods of using the same.
    Type: Application
    Filed: September 8, 2023
    Publication date: March 21, 2024
    Inventors: Shaoyi ZHANG, Xiang CHEN, Suman CHOPRA, Cajetan DOGO-ISONAGIE
  • Publication number: 20240058234
    Abstract: The present disclosure provides an intermediate composition (e.g., an aqueous slurry) for the formulation of a tooth whitening strip comprising a hydratable adhesive film, wherein the intermediate composition comprises an inorganic salt of peroxymonosulfate, preferably an alkali metal salt or alkaline earth metal salt, or mixtures thereof, and methods of using the same and making the tooth whitening strip.
    Type: Application
    Filed: July 18, 2023
    Publication date: February 22, 2024
    Inventors: Xiang CHEN, Brandon ZOELLNER, Suman CHOPRA, Venda Porter MALONEY, Shuyun WU
  • Patent number: 11890362
    Abstract: Described herein are oral care compositions comprising metal silicates (e.g. sodium silicate); along with methods of making and using same.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: February 6, 2024
    Assignee: Colgate-Palmolive Company
    Inventors: Saide Tang, Lin Fei, Suman Chopra, Hallena Strotman, Pooja Kulkarni
  • Publication number: 20230381532
    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: April 21, 2023
    Publication date: November 30, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Brian BLOCH, Patrik JOHANSSON, Xiang CHEN, Suman CHOPRA
  • Publication number: 20230363987
    Abstract: Described herein are oral care compositions comprising: from about 35 wt. % to about 85 wt. % of an anhydrous solvent system (e.g., 35 wt. % to about 75 wt. %); from about 0.02 wt. % to about 30 wt. % of a peroxide solution comprising: from about 0.01 wt. % to about 15 wt. % of hydrogen peroxide, and from about 0.01 wt. % to about 15 wt. % of water; from about 1 wt. % to about 20 wt. % of a thickening system; wherein the oral care composition has a total water content of less than about 30 wt. %; and wherein all weight percentages are based on the total weight of the oral care composition. Methods of making and using these compositions are also described herein.
    Type: Application
    Filed: June 21, 2023
    Publication date: November 16, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Rong DONG, Suman CHOPRA, Gregory SZEWCZYK
  • Patent number: 11806411
    Abstract: Described herein are oral care compositions comprising metal silicates (e.g. potassium silicate); along with methods of making and using same.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: November 7, 2023
    Assignee: Colgate-Palmolive Company
    Inventors: Pooja Kulkarni, Lin Fei, Suman Chopra, Hallena Strotman, Saide Tang
  • Publication number: 20230346660
    Abstract: Described herein are nonaqueous oral care compositions comprising an orally acceptable vehicle, a whitening agent; and one or more gelling agents wherein the one or more gelling agents comprises a salt of a fatty acid; along with methods of making and using same.
    Type: Application
    Filed: August 30, 2021
    Publication date: November 2, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng PAN, Lin FEI, Suman CHOPRA
  • Publication number: 20230338273
    Abstract: Described herein are nonaqueous oral care compositions comprising an orally acceptable vehicle, a whitening agent; and a gelling system comprising one or more gelling agents wherein the one or more gelling agents comprise a monovalent salt of a fatty acid and a divalent salt of a fatty acid; along with methods of making and using same.
    Type: Application
    Filed: August 30, 2021
    Publication date: October 26, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng PAN, Lin FEI, Suman CHOPRA
  • Publication number: 20230320943
    Abstract: Solid oral care compositions and methods for the same are disclosed. The oral care composition may include an orally acceptable vehicle and one or more whitening agents. The oral care composition may be a toothpaste in the form of a solid film. The one or more whitening agents may include at least one of a source of hydrogen peroxide, a non-peroxide bleaching agent, or a combination thereof. The method for preparing the oral care composition may include contacting the orally acceptable vehicle, the one or more whitening agents, and water with one another to prepare a slurry, and preparing the solid film with the slurry.
    Type: Application
    Filed: April 6, 2023
    Publication date: October 12, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng PAN, Gregory SZEWCZYK, Suman CHOPRA
  • Publication number: 20230320950
    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: May 31, 2023
    Publication date: October 12, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Xiang CHEN, Suman Chopra, Lin Fei
  • Publication number: 20230270637
    Abstract: Described herein are nonaqueous oral care compositions comprising an orally acceptable vehicle, a whitening agent; and one or more gelling agents wherein the one or more gelling agents comprises a salt of a fatty acid; along with methods of making and using same.
    Type: Application
    Filed: August 30, 2021
    Publication date: August 31, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng PAN, Lin FEI, Suman CHOPRA
  • Publication number: 20230263711
    Abstract: The present invention relates to 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, the core shell silica particles prepared by: i) admixing an amount of silica particles in water with an amount of a base, wherein the base comprises a monovalent metal ion, to produce core shell silica particles, each core shell silica particle comprising a silica core, and a surface of the silica core etched with a silicate of the monovalent metal ion; and ii) reacting the core shell silica particles formed in step i) with a metal salt comprising a second metal ion, to form core shell silica particles comprising silicate of the second metal ion on the surface of the silica core.
    Type: Application
    Filed: February 15, 2023
    Publication date: August 24, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng Pan, Suman Chopra
  • Publication number: 20230255865
    Abstract: Described herein are high water oral care composition comprising an orally acceptable vehicle; a thickening system; one or more abrasives; and one or more gelling agents, wherein the one or more gelling agents comprise a salt of a fatty acid; and wherein the salt is a monovalent salt, a divalent salt, or a combination thereof. Also disclosed are methods of making and using the same.
    Type: Application
    Filed: August 30, 2021
    Publication date: August 17, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Guisheng PAN, Lin FEI, Suman CHOPRA, Pooja KULKARNI
  • Patent number: 11701312
    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: March 1, 2022
    Date of Patent: July 18, 2023
    Assignee: Colgate-Palmolive Company
    Inventors: Xiang Chen, Suman Chopra, Lin Fei
  • Publication number: 20230201091
    Abstract: The present disclosure provides tooth whitening oral care compositions comprising potassium peroxymonosulfate having improved stability, and methods of using the same.
    Type: Application
    Filed: December 23, 2022
    Publication date: June 29, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Cajetan DOGO-ISONAGIE, Suman CHOPRA
  • Publication number: 20230201092
    Abstract: Described herein are aqueous abrasive oral care compositions comprising (a) 1-10 wt.% hydrogen peroxide, (b) 5-20 wt.% of calcium pyrophosphate abrasive, (c) 35-75 wt.% propylene glycol, (d) 5-20 wt.% polyvinylpyrrolidone, (e) 1-20 wt.% of a random polyethylene glycol/polypropylene glycol random copolymer. Methods of making and using these compositions are also described herein.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 29, 2023
    Applicant: Colgate-Palmolive Company
    Inventors: Rong DONG, Suman CHOPRA, Gregory SZEWCZYK