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: 20050271609
    Abstract: A gel composition useful in treating the underarm which contains (a) about 0.5 weight % about up to the sprayable amount of a gelling agent; (b) about 0.01 to about 10 weight % of a deodorant active or an odor reducing agent or a mixture thereof; and (c) about 70 to about 99.49 weight % water, wherein the percentages are based on the total weight of the composition.
    Type: Application
    Filed: June 8, 2004
    Publication date: December 8, 2005
    Inventors: Lin Fei, Ronald Jacoby, Neeta Patel, Suman Chopra
  • Publication number: 20050158261
    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: Application
    Filed: March 15, 2005
    Publication date: July 21, 2005
    Inventors: Xiaozhong Tang, Lin Fei, Suman Chopra, Peter Hilliard
  • Publication number: 20050036956
    Abstract: A stable, nonaqueous liquid tooth whitening composition comprised of an anhydrous peroxide compound dispersed in an orally acceptable mixture of an anhydrous hydrophilic polymer and an adhesion enhancer which composition when applied topically to tooth surfaces forms an adherent layer containing the peroxide compound which peroxide compound is thereafter is released from the layer to effect tooth whitening.
    Type: Application
    Filed: August 15, 2003
    Publication date: February 17, 2005
    Inventors: Lin Fei, Suman Chopra, Prakasarao Mandadi, Neeta Patel, Ramachandra Shastry, Yelloji-Rao Mirajkar, Michael Prencipe
  • Publication number: 20040241122
    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: Application
    Filed: May 30, 2003
    Publication date: December 2, 2004
    Inventors: Christine Popoff, Suman Chopra, Mardoqueo Bustos, Xiaozhong Tang, Lin Fei
  • Publication number: 20040202629
    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: April 8, 2003
    Publication date: October 14, 2004
    Inventors: Jairajh Mattai, Suman Chopra, Lin Fei, Eric Guenin
  • Publication number: 20040141934
    Abstract: A two-phase, elastomer-free, low viscosity, high water roll-on antiperspirant and/or deodorant composition comprising:
    Type: Application
    Filed: January 17, 2003
    Publication date: July 22, 2004
    Applicant: Colgate-Palmolive Company
    Inventors: Lin Fei, Suman Chopra, Neeta Patel
  • Publication number: 20040109833
    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.
    Type: Application
    Filed: December 9, 2002
    Publication date: June 10, 2004
    Inventors: Xiaozhong Tang, Lin Fei, Suman Chopra, Peter Hilliard
  • Publication number: 20040062738
    Abstract: Personal care products are described which comprise a quaternary amino functional silicone elastomer.
    Type: Application
    Filed: July 15, 2003
    Publication date: April 1, 2004
    Applicant: Colgate-Palmolive Company
    Inventors: Suman Chopra, Amrit Patel, Lin Fei, Saurabh Desai
  • Patent number: 6485716
    Abstract: The invention is a clear, elastomer-free, gel composition comprising: (a) 0.1-25 weight % of an antiperspirant active having a low metal to chloride ratio in the range of 0.9-1.3: 1; (b) 9-23.95 weight % of one or more volatile silicones having a flash point of 100 degrees C or less; (c) 0.05-0.5 weight % of a silicone surfactant having an HLB value≦8; (d) 30-70 weight % water; (e) 0-50 weight % selected water soluble organic solvents; and (f) 0-10 weight % of an emollient; wherein the composition is a liquid gel having a viscosity in the range of 5-50,000 centipoise and a ratio of oil phase to water phase in the range of 10:90 to 24:76.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: November 26, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Lin Fei, Suman Chopra, Eric Guenin, Peter Hilliard, Jr., Jairajh Mattai, Neeta Patel
  • Patent number: 6436382
    Abstract: A suspension cosmetic product for reducing wetness under the arm which product is a stick or a soft solid comprising: (a) 0.01-20 weight % of a water lock superabsorbent polymer selected from the group consisting of starch graft homopolymers and copolymers of poly(2-propenamide-co-2-propenioic acid) sodium salt; (b) 10-88 weight % of a volatile silicone; (c) a selected gelling agent; (d) 0-5 weight % of a surfactant with a hydrophilic/lipophilic balance in the range of 3-13; (e) 0-10 weight % of an antiperspirant active or an effective amount of a deodorizing agent which is not an antiperspirant active; (f) 0-20 weight % of a nonvolatile silicone; and (g) 0-20 weight % of an emollient; wherein the product is not made with any separately added water.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: August 20, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Suman Chopra, Lin Fei, Eric Guenin, Jairajh Mattai
  • Patent number: 6426062
    Abstract: A gelled stick or soft gel composition for reducing underarm wetness comprising: (a) 0.01-20 weight % selected from the group consisting of starch graft homopolymers and copolymers of poly(2-propenamide-co-2-propenioic acid) sodium salt; (b) 10-88 weight % of a volatile silicone; (c) a gelling agent selected from (i) a group consisting of 5-20 weight % siliconized polyamide if a gelled stick is formed; and (ii) 0-5 weight % of a siliconized polyamide and 0-5% of a silicone elastomer if a soft gel is formed; (d) 0.05-85 weight % of water or a water soluble organic solvent; (e) for products which are not sticks, 0.05-5 weight % of a surfactant with a HLB value in the range of 3-13; (f) 0-10 weight % of an antiperspirant active or an effective amount of a deodorizing agent which is not an antiperspirant active; (g) 0-20 weight % of a nonvolatile silicone; and (h) 0-20 weight % of an emollient.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: July 30, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Suman Chopra, Jairajh Mattai, Lin Fei, Eric Guenin
  • Patent number: 6403069
    Abstract: A clear antiperspirant and/or deodorant composition is disclosed in the form of an emulsion having a refractive index less than 1.42 and comprising: (a) 25-70% of an external phase comprising: (i) 0.1-10%, on an actives basis, of at least one elastomer which is a dimethicone/vinyldimethicone crosspolymer composition made by reacting a polymethylhydrogensiloxane with an alpha, omega-divinylpolydimethyl siloxane for which the dimethicone/vinyl-dimethicone crosspolymer composition is used at a concentration of 4-10% in cyclomethicone, has a refractive index in the range of 1.392-1.402 at 25 degrees C and a viscosity in the range of 0.013-1×104 Pascal seconds; (ii) 0.1-5% of a silicone copolyol having an HLB value ≦8; (iii) 0.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: June 11, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Suman Chopra, Jairajh Mattai, Lin Fei, Eric Guenin, Xiaozhong Tang
  • Patent number: 6387357
    Abstract: A clear antiperspirant and/or deodorant composition is disclosed in the form of an emulsion having a refractive index less than 1.42 and comprising: (a) 25-70% of an external phase comprising: (i) 0.1-10%, on an actives basis, of at least one elastomer which is a cyclomethicone (and) dimethicone crosspolymer made with an ≡Si—H containing polysiloxane and an alpha, omega-diene of formula CH2═CH(CH2)xCH═CH2, where x=1-20, to form a gel by crosslinking and addition of ≡Si—H across double bonds in the alpha, omega diene, which crosspolymer has a viscosity in the range of 50,000-3,000,000 centipoise; (ii) 0.1-5% of a silicone copolyol having an HLB value ≦8; (iii) 0.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: May 14, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Suman Chopra, Jairajh Mattai, Lin Fei, Eric Guenin, Xiaozhong Tang, Claudio Ortiz