Patents by Inventor Eric Guenin

Eric Guenin 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: 6503491
    Abstract: A high efficacy antiperspirant/deodorant stick product may be made by combining (a) 30-70% volatile cyclomethicone; (b) 10-25% of an antiperspirant active; (c) 1-15% of an emollient; (d) 1-14% of polyethylene comprising one or more members selected from the group consisting of homopolymers and copolymers of polyethylene wherein the polyethylene (i) is at least 90% linear; (ii) has a molecular weight in the range of 300-3000 (especially 300-1000 and more especially 300-500); (iii) has a melting point in the range of 50-129 degrees C; and (iv) has a polymer backbone of CH3CH2—(CH2—CH2)n—H, where n is an average number and is selected to be in the range of 10-106; (e) 0.3-7% of a wax as a co-gellant with the polyethylene wherein the wax has a melting point in the range of 40-97 degrees C.; provided that the ratio of wax:polyethylene is in the range of 1:1-1:10.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: January 7, 2003
    Assignee: Colgate-Palmolive Company
    Inventors: Eric Guenin, Jairajh Mattai, Anne Gale, Patricia Hall-Puzio, Wilson Lee
  • 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
  • Publication number: 20020085985
    Abstract: A high efficacy antiperspirant/deodorant stearyl alcohol free stick product may be made by combining (a) 30-70% volatile cyclomethicone; (b) 10-25% of an antiperspirant active; (c) 1-15% of an emollient; (d) 1-14% of polyethylene comprising one or more members selected from the group consisting of homopolymers and copolymers of polyethylene wherein the polyethylene (i) is at least 90% linear; (ii) has a molecular weight in the range of 300-3000 (especially 300-1000 and more especially 300-500); (iii) has a melting point in the range of 50-129 degrees C.; and (iv) has a polymer backbone of CH3CH2—(CH2—CH2)n—H, where n is an average number and is selected to be in the range of 10-106; (e) 0.3-7% of a wax as a co-gellant with the polyethylene wherein the wax has a melting point in the range of 40-97 degrees C.; and (f) 1-40% of an elastomer in cyclomethicone composition; provided that the ratio of wax:polyethylene is in the range of 1:1-1:10.
    Type: Application
    Filed: November 9, 2001
    Publication date: July 4, 2002
    Applicant: Colgate-Palmolive Company
    Inventors: Jairajh Mattai, Eric Guenin, Anne Gale, Patricia Hall-Puzio, Wilson Lee
  • Publication number: 20020081272
    Abstract: A high efficacy antiperspirant/deodorant stick product may be made by combining (a) 30-70% volatile cyclomethicone; (b) 10-25% of an antiperspirant active; (c) 1-15% of an emollient; (d) 1-14% of polyethylene comprising one or more members selected from the group consisting of homopolymers and copolymers of polyethylene wherein the polyethylene (i) is at least 90% linear; (ii) has a molecular weight in the range of 300-3000 (especially 300-1000 and more especially 300-500); (iii) has a melting point in the range of 50-129 degrees C; and (iv) has a polymer backbone of CH3CH2—(CH2—CH2)n—H, where n is an average number and is selected to be in the range of 10-106; (e) 0.3-7% of a wax as a co-gellant with the polyethylene wherein the wax has a melting point in the range of 40-97 degrees C.; provided that the ratio of wax:polyethylene is in the range of 1:1-1:10.
    Type: Application
    Filed: November 9, 2001
    Publication date: June 27, 2002
    Applicant: Colgate-Palmolive Company
    Inventors: Eric Guenin, Jairajh Mattai, Anne Gale, Patricia Hall-Puzio, Wilson Lee
  • Publication number: 20020081273
    Abstract: A high efficacy antiperspirant/deodorant stick product may be made by combining (a) 30-70% volatile cyclomethicone; (b) 10-25% of an antiperspirant active; (c) 1-15% of an emollient; (d) 1 -14% of polyethylene comprising one or more members selected from the group consisting of homopolymers and copolymers of polyethylene wherein the polyethylene (i) is at least 90% linear; (ii) has a molecular weight in the range of 300-3000 (especially 300-1000 and more especially 300-500); (iii) has a melting point in the range of 50-129 degrees C; and (iv) has a polymer backbone of CH3CH2—(CH2—CH2)n—H, where n is an average number and is selected to be in the range of 10-106; (e) 0.3-7% of a wax as a co-gellant with the polyethylene wherein the wax has a melting point in the range of 40-97 degrees C.
    Type: Application
    Filed: November 9, 2001
    Publication date: June 27, 2002
    Applicant: Colgate-Palmolive Company
    Inventors: Jairajh Mattai, Eric Guenin, Wilson Lee, Patricia Hall-Puzio, Anne Gale
  • 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
  • Patent number: 6338841
    Abstract: This invention comprises a clear to translucent anhydrous stick or gel antiperspirant and/or deodorant product having low tack and comprising: (a) a solvent phase comprising: (i) 0.2-4.0 weight % dibenzylidene sorbitol; (ii) 0.05-1.0 weight % of a co-gellant or structural integrity enhancer; (iii) 25-75 weight % of a solvent selected from the group consisting of polyhydric alcohols; (iv) an effective amount of an antiperspirant or deodorant; and (v) 0.1-5 weight % dimethicone copolyol; and (b) an oil phase comprising: (i) 0.25-5 weight % of a silicone elastomer (on a solids basis) in a first dimethicone wherein the dimethicone has a viscosity in the range of 6-100 centistokes and a flashpoint in the range of about greater than 115 degrees C. to 300 degrees C.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: January 15, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Jairajh Mattai, Claudio Ortiz, Eric Guenin, John Afflitto