Patents by Inventor Lin Fei

Lin Fei 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: 20250295564
    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: June 6, 2025
    Publication date: September 25, 2025
    Applicant: Colgate-Palmolive Company
    Inventors: Xiang CHEN, Suman CHOPRA, Lin FEI
  • Patent number: 12336877
    Abstract: An oral treatment device for dispensing an oral treatment composition onto a user's teeth. The oral treatment device may include a storage and delivery component and an applicator component. The storage and delivery component may include a body having a reservoir, a frangible capsule containing the oral treatment composition located in the reservoir, and a delivery member. The applicator component may include a pad portion formed of a liquid absorbing material. The applicator component may be alterable between an attached state whereby the delivery member is fluidly coupled to the pad portion and a detached state whereby the applicator component is detached from the storage and delivery component and can be placed into contact with the user's teeth. The frangible capsule may be in a sealed state until broken by a user at which point the oral treatment composition may flow into the pad portion of the applicator component.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: June 24, 2025
    Assignee: Colgate-Palmolive Company
    Inventors: Xiang Chen, Suman Chopra, Lin Fei, Udayan Umapathi
  • Patent number: 12324847
    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: September 10, 2021
    Date of Patent: June 10, 2025
    Assignee: Colgate-Palmolive Company
    Inventors: Guisheng Pan, Lin Fei, Suman Chopra
  • Publication number: 20250152478
    Abstract: Methods of using wet-setting adhesives in oral environments, methods of using adhesives for bonding a dental material to a tooth, a gum, or a soft tissue in a mouth, a method of sealing a wound or closing an incision in a gum or a soft tissue, and a method of forming an adhesive coating on a tooth.
    Type: Application
    Filed: November 13, 2024
    Publication date: May 15, 2025
    Inventors: Jonathan James Wilker, Future Mayurkumar Jani, Emma Claire Jeffries, Julie Liu, Aishwarya Vijayan Menon, Gudrun Schmidt, Myah Diana Webb, Joseph Steele, Lin Fei
  • Patent number: 12161739
    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: October 8, 2021
    Date of Patent: December 10, 2024
    Assignee: Colgate-Palmolive Company
    Inventors: Cajetan Dogo-Isonagie, Lin Fei, Suman Chopra, Jennifer Gronlund
  • 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
  • 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: 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: 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: 20220409352
    Abstract: An oral treatment device for dispensing an oral treatment composition onto a user's teeth. The oral treatment device may include a storage and delivery component and an applicator component. The storage and delivery component may include a body having a reservoir, a frangible capsule containing the oral treatment composition located in the reservoir, and a delivery member. The applicator component may include a pad portion formed of a liquid absorbing material. The applicator component may be alterable between an attached state whereby the delivery member is fluidly coupled to the pad portion and a detached state whereby the applicator component is detached from the storage and delivery component and can be placed into contact with the user's teeth. The frangible capsule may be in a sealed state until broken by a user at which point the oral treatment composition may flow into the pad portion of the applicator component.
    Type: Application
    Filed: October 23, 2020
    Publication date: December 29, 2022
    Applicant: Colgate-Palmolive Company
    Inventors: Xiang CHEN, Suman CHOPRA, Lin FEI, Udayan UMAPATHI
  • 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
  • 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
  • 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
  • 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: 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
  • 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