Patents by Inventor Elena Maria Gabriella Barbuzzi

Elena Maria Gabriella Barbuzzi 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).

  • Hair treatment compositions
    Patent number: 6696050
    Abstract: This invention relates to an aqueous hair treatment comprising coated particles comprising a solid core having a D3, 2 average particle size in the range from 10 to 700 nm, and a coating polymer covalently bonded to the solid core. Use of the coated particles in a hair treatment composition to impart body to the hair is also described.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: February 24, 2004
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Elena Maria Gabriella Barbuzzi, Wolfgang Robert Bergmann, Cheryl Anne Taylor, Stephen Lee Wire
  • Hair treatment compositions
    Patent number: 6696051
    Abstract: This invention relates to an aqueous conditioner composition comprising (i) a cationic surfactant, (ii) a fatty alcohol material, and (iii) from 0.01 to 10 wt % coated particles comprising (a) a solid core having a D3,2 average particle size in the range from 10 to 700 nm, and (b) a coating of silicone polymer covalently bonded to the solid core. Use of the coated particles in a conditioner composition to impart body to the hair is also disclosed.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: February 24, 2004
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Elena Maria Gabriella Barbuzzi, Wolfgang Robert Bergmann, David Howard Birtwistle, Cheryl Anne Taylor, Stephen Lee Wire
  • Hair care compositions
    Patent number: 6689347
    Abstract: This invention relates to an aqueous hair care composition comprising water-insoluble particles having a layered structure comprising oxygen atoms and silicon and/or phosphorus atoms, and comprising organic functional groups which are bonded to silicon and/or phosphorus atoms in the layers by covalent bonds.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: February 10, 2004
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Elena Maria Gabriella Barbuzzi, Wolfgang Robert Bergmann, Mrunalini Dhamdhere, Kevin Ronald Franklin, Cheryl Anne Taylor, Nicola Whilton
  • Hair treatment compositions
    Publication number: 20030095943
    Abstract: This invention relates to an aqueous conditioner composition comprising (i) a cationic surfactant, (ii) a fatty alcohol material, and (iii) from 0.01 to 10 wt % coated particles comprising (a) a solid core having a D3,2 average particle size in the range from 10 to 700 nm, and (b) a coating of silicone polymer covalently bonded to the solid core. Use of the coated particles in a conditioner composition to impart body to the hair is also disclosed.
    Type: Application
    Filed: April 30, 2002
    Publication date: May 22, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Elena Maria, Gabriella Barbuzzi, Wolfgang Robert Bergmann, David Howard Birtwistle, Cheryl Anne Taylor, Stephen Lee Wire
  • Hair care compositions
    Publication number: 20030064047
    Abstract: This invention relates to an aqueous hair care composition comprising water-insoluble particles having a layered structure comprising oxygen atoms and silicon and/or phosphorus atoms, and comprising organic functional groups which are bonded to silicon and/or phosphorus atoms in the layers by covalent bonds.
    Type: Application
    Filed: April 30, 2002
    Publication date: April 3, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Elena Maria Gabriella Barbuzzi, Wolfgang Robert Bergmann, Mrunalini Dhamdhere, Kevin Ronald Franklin, Cheryl Anne Taylor, Nicola Whilton
  • Hair treatment compositions
    Publication number: 20030012757
    Abstract: This invention relates to an aqueous hair treatment comprising coated particles comprising a solid core having a D3, 2 average particle size in the range from 10 to 700 nm, and a coating polymer covalently bonded to the solid core. Use of the coated particles in a hair treatment composition to impart body to the hair is also described.
    Type: Application
    Filed: April 30, 2002
    Publication date: January 16, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Elena Maria Gabriella Barbuzzi, Wolfgang Robert Bergmann, Cheryl Anne Taylor, Stephen Lee Wire