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).

  • Patent number: 9370475
    Abstract: Oral care compositions comprising isobutyl magnolol and n-butyl magnolol. A method of enhancing the solubility of isobutyl magnolol in an oral care composition comprises admixing n-butyl magnolol with an orally acceptable carrier comprising isobutyl magnolol. The composition may be used to treat diseases or conditions of the oral cavity such as caries, gingivitis, periodontitis, tooth yellowing and halitosis.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: June 21, 2016
    Assignee: Colgate-Palmolive Company
    Inventors: Lin Fei, Stanislav Jaracz, Ying Yang, Guofeng Xu
  • Patent number: 9271906
    Abstract: The invention relates to a composite and oral care compositions for use in the mouth to retard the accumulation of dental plaque and/or calculus. The composite is a microaggregate comprising polymer coated, surfactant stabilized particles of a substantially insoluble metal, metal salt or metal oxide, for example zinc oxide. Also methods for retarding the accumulation of dental plaque and/or calculus are provided.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: March 1, 2016
    Assignee: COLGATE-PALMOLIVE COMPANY
    Inventors: Steven Miller, Guofeng Xu, Lin Fei, Ying Yang
  • Publication number: 20150328092
    Abstract: Described herein are oral care compositions comprising (i) a whitening complex comprising crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, and (ii) a thickening agent comprising a crosslinked polyvinylpyrrolidone, the composition further comprising (iii) a nonionic rheology modifier selected from at least one of a polysorbate surfactant and an alkylene glycol ester of a C6-C12 fatty acid, or a mixture thereof.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 19, 2015
    Inventors: Lin Fei, Suman Chopra
  • Publication number: 20150320669
    Abstract: Described herein are oral care compositions (for tooth whitening) comprising a thickening system comprising a first thickening agent and a second thickening agent, wherein the first thickening agent comprises greater than 15 wt % of the mixture of the first and second thickening agents in the thickening system. The compositions comprise crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide with a thickening system comprising silica and crosslinked polyvinylpyrrolidone.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 12, 2015
    Inventors: Lin Fei, Prakasarao Mandadi, Suman Chopra, Michael Prencipe
  • Publication number: 20150320665
    Abstract: Described herein are oral care compositions comprising (i) a whitening complex comprising crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, and (ii) a hydrogen peroxide stabilizing agent comprising a clay comprising a lithium magnesium silicate or a sodium magnesium silicate, or a combination thereof.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 12, 2015
    Inventors: Lin Fei, Prakasarao Mandadi, Suman Chopra
  • Patent number: 8956592
    Abstract: Disclosed herein are methods of enhancing the solubility and delivery of one or more active ingredients found in magnolia extract, or a synthetic analog thereof, in an oral composition.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: February 17, 2015
    Assignee: Colgate-Palmolive Company
    Inventors: Ying Yang, Shyamala Pillai, Lin Fei, Ravi Subramanyam, Guofeng Xu
  • Publication number: 20150004104
    Abstract: Described herein are compositions comprising isopropyl magnolol; a surfactant system; and an orally acceptable carrier, together with methods of making and using the same.
    Type: Application
    Filed: March 2, 2012
    Publication date: January 1, 2015
    Applicant: Colgate-Palmolive Company
    Inventors: Lin Fei, Stanislav Jaracz, Ying Yang, Geofeng Xu
  • Publication number: 20140356299
    Abstract: The invention provides oral care compositions comprising isobutyl magnolol and propylene glycol monolaurate, together with methods of making and using the same. Also described is a method of enhancing the solubility of isobutyl magnolol in an oral care composition comprising effective amount of propylene glycol monolaurate. The composition is for use in the treatment of caries, gingivitis, periodontitis, tooth yellowing and halitosis.
    Type: Application
    Filed: December 2, 2011
    Publication date: December 4, 2014
    Applicant: Colgate-Palmolive Company
    Inventors: Lin Fei, Stanislav Jaracz, Ying Yang, Guofeng Xu
  • Publication number: 20140348760
    Abstract: Described herein are oral care compositions comprising (i) a magnesium alkali metal silicate complex clay, and (ii) an orally acceptable anionic polymer, in a dentifrice base, which compositions are useful for alleviating dental sensitivity. Also provided for, are methods of making and using the compositions described herein.
    Type: Application
    Filed: December 21, 2011
    Publication date: November 27, 2014
    Applicant: Colgate-Palmolive Company
    Inventors: Suman Chopra, Lin Fei, Rahul Patel
  • Publication number: 20140314688
    Abstract: Oral care compositions comprising isobutyl magnolol and n-butyl magnolol. A method of enhancing the solubility of isobutyl magnolol in an oral care composition comprises admixing n-butyl magnolol with an orally acceptable carrier comprising isobutyl magnolol. The composition may be used to treat diseases or conditions of the oral cavity such as caries, gingivitis, periodontitis, tooth yellowing and halitosis.
    Type: Application
    Filed: December 2, 2011
    Publication date: October 23, 2014
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Lin Fei, Stanislav Jaracz, Ying Yang, Guofeng Xu
  • Publication number: 20140234232
    Abstract: Described herein are compositions comprising antibacterially effective amounts of a compound of Formula (I): or a salt thereof in which R1 and R2 are each independently (C1-C6) alkyl or (C2 C6) alkenyl, and a carrier. Suitable carriers include orally acceptable carriers and dermatologically acceptable carriers. The disclosed compositions include oral care and personal care compositions useful for treating or preventing oral and skin conditions, respectively.
    Type: Application
    Filed: September 8, 2011
    Publication date: August 21, 2014
    Applicant: Colgate-Palmolive Company
    Inventors: Ravi Subramanyam, Neelima Utgikar, Guofeng Xu, Ying Yang, Lin Fei
  • Publication number: 20130315844
    Abstract: Described herein are compositions comprising an active compound from an extract of magnolia, or a derivative thereof; and a non-surfactant electrolyte in an amount effective to stabilize the composition, and methods of making and using the same.
    Type: Application
    Filed: January 31, 2011
    Publication date: November 28, 2013
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Shyamala Pillai, Lin Fei, Guofeng Xu
  • Publication number: 20130224271
    Abstract: The invention relates to a composite and oral care compositions for use in the mouth to retard the accumulation of dental plaque and/or calculus. The composite is a microaggregate comprising polymer coated, surfactant stabilized particles of a substantially insoluble metal, metal salt or metal oxide, for example zinc oxide. Also methods for retarding the accumulation of dental plaque and/or calculus are provided.
    Type: Application
    Filed: November 8, 2010
    Publication date: August 29, 2013
    Applicant: Colgate-Palmolive Company
    Inventors: Steven Miller, Guofeng Xu, Lin Fei, Ying Yang
  • Publication number: 20120308489
    Abstract: Disclosed herein are methods of enhancing the solubility and delivery of one or more active ingredients found in magnolia extract, or a synthetic analogue thereof, in an oral composition.
    Type: Application
    Filed: February 24, 2011
    Publication date: December 6, 2012
    Applicant: COLGATE-PALMOLIVE COMPANY
    Inventors: Ying Yang, Shyamala Pillai, Lin Fei, Ravi Subramanyam, Guofeng Xu
  • Publication number: 20120294812
    Abstract: Disclosed herein are methods of enhancing the solubility and delivery of one or more active ingredients found in magnolia extract, or a synthetic analogue thereof, in an oral composition.
    Type: Application
    Filed: February 24, 2011
    Publication date: November 22, 2012
    Applicant: Colgate-Palmolive Company
    Inventors: Lin Fei, Ravi Subramanyam, Guofeng Xu
  • Patent number: 7311898
    Abstract: A zirconium-free aluminum salt which: (a) has an aluminum to chloride molar ratio in the range of 0.5-2.5:1; (b) comprises a nitrogen containing buffering material in an amount such that the ratio of nitrogen containing material to aluminum is the range of 0.05-0.26:1, and which nitrogen containing material is selected from the group consisting of a nitrogen containing buffering material of formula where n is a number in the range of 1-20, and each of R1, R2, and R3 is independently selected from the group consisting of hydrogen, methyl and ethyl; and (c) the salt has a pH in the range of 2-4 at a concentration of 15%; wherein the salt is free of any other halide scavenging material and has a value of at least 0.50 for the ratio calculated as: area of Peak 5/total area under Peak 2+Peak 3+Peak 4+Peak 5.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: December 25, 2007
    Assignee: Colgate-Palmolive Company
    Inventors: Xiaozhong Tang, Lin Fei, Suman Chopra, Peter Hilliard, Jr.
  • Patent number: 7204976
    Abstract: The invention is a clear, elastomer-free, gel composition comprising: (a) 14–30 weight % of an antiperspirant active having a low metal to chloride ratio; (b) 7–23.3 weight % of one or more cyclomethicones having a flash point of 100 degrees C. or less; (c) 0.6–0.9 weight % of a silicone surfactant having an HLB value?8; (d) 30–70 weight % water; (e) 3.85–10 weight % of a water soluble glycol or polyglycol and (f) 0.1–3.0 weight % of a non-siliconized organic fragrance solubilizer; wherein the composition is a gel having a viscosity greater than 150,000 centipoise and a ratio of oil phase to water phase in the range of 10:90 to 24:76.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: April 17, 2007
    Assignee: Colgate-Palmolive Company
    Inventors: Christine Popoff, Suman Chopra, Mardoqueo Bustos, Xiaozhong Tang, Lin Fei
  • Publication number: 20060079415
    Abstract: A conditioning shampoo comprising: (a) 4-25 weight % of an anionic surfactant or mixtures of two or more anionic surfactants; (b) 0.025-3 weight % of a cationic deposition polymer; (c) 0.1-5 weight % of a detergent soluble silicone having a molecular weight less than 100,000 daltons; and (d) water.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 13, 2006
    Inventors: Cheryl Kozubal, Donna Hartnett, Lin Fei, Julia Dugdale, Charles Reich
  • Publication number: 20060039877
    Abstract: A soft solid antiperspirant and/or deodorant composition comprising a volatile silicone and a behenamidoalkyl dialkylamine fatty acid as a gelling agent for the volatile silicone.
    Type: Application
    Filed: October 27, 2005
    Publication date: February 23, 2006
    Inventors: Jairajh Mattai, Suman Chopra, Lin Fei, Eric Guenin
  • Patent number: 6994845
    Abstract: A soft solid antiperspirant and/or deodorant composition comprising a volatile silicone and a behenamidoalkyl dialkylamine fatty acid as a gelling agent for the volatile silicone.
    Type: Grant
    Filed: April 8, 2003
    Date of Patent: February 7, 2006
    Assignee: Colgate-Palmolive Company
    Inventors: Jairajh Mattai, Suman Chopra, Lin Fei, Eric Guenin