Patents by Inventor Stuart Keith Pratley

Stuart Keith Pratley 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: 8034324
    Abstract: A hair treatment composition comprising a silicone pressure sensitive adhesive emulsion in which the emulsion comprises a disperse organic solvent phase in a continuous water phase.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: October 11, 2011
    Assignee: Conopco, Inc.
    Inventors: Katya Ivanova, Stuart Keith Pratley
  • Patent number: 7871600
    Abstract: A leave on hair care composition comprising a) a wax dispersion; and b) an aqueous oil emulsion wherein the oil phase is a liquid and comprises: i) one or more non-volatile oils, where the dynamic viscosity of any single non-volatile oil or the dynamic viscosity of a blend of non-volatile oils is less than 1000 mPa·s at 35° C. and 5 s-1; ii) an oil dispersible structurant such that the dynamic viscosity of the structured oil phase at 35° C. prior to formation of the emulsion is at least 50,000 mPa·s at a shear rate of 0.5 s-1 and is less than 6,000 mPa·s at a shear rate of 500 s-1.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: January 18, 2011
    Assignee: Conopco Inc.
    Inventors: Takahiro Hiraishi, Stuart Keith Pratley, Aart van Vuure
  • Patent number: 7850952
    Abstract: A mousse, cream, lotion or spray leave on hair treatment composition comprising a silicone pressure sensitive adhesive.
    Type: Grant
    Filed: February 11, 2004
    Date of Patent: December 14, 2010
    Assignee: Conopco, Inc.
    Inventors: Katya Ivanova, Stuart Keith Pratley
  • Publication number: 20080286220
    Abstract: The invention provides a hair treatment composition comprising i) a disaccharide; ii) a di-acid, and iii) a source of ammonium ions.
    Type: Application
    Filed: March 23, 2005
    Publication date: November 20, 2008
    Inventors: Fraser Ian Bell, Stuart Keith Pratley, Richard Skinner
  • Publication number: 20080193401
    Abstract: The invention provides a hair treatment composition such as a shampoo or conditioner comprising a disaccharide, alkali metal salt and a di-acid or salt thereof. Use of said composition for smoothing and aligning hair, for preventive damage to the hair.
    Type: Application
    Filed: March 23, 2005
    Publication date: August 14, 2008
    Inventors: Fraser Ian Bell, Stuart Keith Pratley, Richard Skinner
  • Patent number: 6569825
    Abstract: The invention relates to an aqueous cleansing composition which comprises a combination of short and long chain anionic surfactants that provide mild cleansing and good lathering.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: May 27, 2003
    Assignee: Helene Curtis, Inc.
    Inventor: Stuart Keith Pratley
  • Patent number: 6335000
    Abstract: The invention provides hair styling compositions, for example creams, gels and especially aerosol hair styling mousses. The compositions contain a cross-linked silicone, such as an emulsion of cross-linked dimethiconol gum, and a cationic hair styling polymer having a cationic charge density of at least 1 meq/g. The compositions provide excellent styling as well as sensory feel.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: January 1, 2002
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventor: Stuart Keith Pratley
  • Patent number: 6290932
    Abstract: The invention provides an aqueous hair styling aid comprising a volatile silicone selected from cyclic silicones having the general formula (I): [(CH3)2Si—O—]n  (I) wherein n=3-7, and short chain linear silicones having the general formula (II): (CH3)3Si—O—[Si(CH3)2O]nSi(CH3)3  (II) wherein n=1-7; together with hairstyling polymer, surfactant and at least 5% water.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: September 18, 2001
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Stuart Keith Pratley, Keith Leslie Rutherford
  • Publication number: 20010009659
    Abstract: The invention provides an aqueous hair styling aid comprising a volatile silicone selected from cyclic silicones having the general formula (I):
    Type: Application
    Filed: December 7, 1999
    Publication date: July 26, 2001
    Inventors: STUART KEITH PRATLEY, KEITH LESLIE RUTHERFORD
  • Patent number: 6001339
    Abstract: The invention provides hair styling compositions in cream, gel or aerosol mousse form comprising:(i) from 0.1% to 10% by weight, based on total weight, of a non-rigid emulsion polymerised cross-linked silicone polymer, in which the percentage of branched monomer units in the silicone polymer is from 0.05% to 10%; (ii) from 0.1% to 10% by weight, based on total weight, of a hair styling polymer; (iii) from 0.01% to 1% by weight, based on total weight, of a surfactant; (iv) water; and (v) from 0% to 30% by weight, based on total weight, of an aerosol propellant. The compositions impart an excellent balance of styling and conditioning properties to the hair.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: December 14, 1999
    Assignee: Helene Curtis, Inc.
    Inventors: Christophe Michel Finel, Deryn Lorraine Nicholls, Stuart Keith Pratley
  • Patent number: 6001787
    Abstract: An aqueous cleansing composition, which comprises:(a) a short-chain anionic surfactant chosen from C.sub.6 -C.sub.9 alkyl ether sulphates, C.sub.8 -C.sub.11 acyl lactylates, C.sub.6 -C.sub.9 acyl methyl taurates, C.sub.6 -C.sub.9 acyl isethionates, C.sub.6 -C.sub.11 fatty acid soaps, C.sub.6 -C.sub.9 alkyl sulphates, C.sub.6 -C.sub.11 acyl sarcosinates, C.sub.6 -C.sub.9 alkyl sulphosuccinates, C.sub.6 -C.sub.9 alkyl ether sulphosuccinates, or mixtures thereof;(b) a long-chain anionic surfactant chosen from C.sub.13 -C.sub.18 alkyl ether sulphates, C.sub.13 -C.sub.18 acyl lactylates, C.sub.13 -C.sub.16 acyl methyl taurates, C.sub.13 -C.sub.15 acyl isethionates, C.sub.13 -C.sub.16 alkyl sulphates, C.sub.13 -C.sub.16 acyl sarcosinates, C.sub.13 -C.sub.16 alkyl sulphosuccinates, C.sub.13 -C.sub.16 alkyl ether sulphosuccinates, or mixtures thereof;(c) optionally, a medium-chain anionic surfactant chosen from C.sub.10 -C.sub.12 alkyl ether sulphates, C.sub.12 acyl lactylates, C.sub.10 -C.sub.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: December 14, 1999
    Assignee: Helene Curtis, Inc.
    Inventor: Stuart Keith Pratley