Patents by Inventor Laurence Anthony Sinnige

Laurence Anthony Sinnige 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).

  • AQUEOUS WAX EMULSIONS AND DISPERSIONS AND USES THEREOF
    Publication number: 20230356430
    Abstract: An aqueous wax emulsion or dispersion comprising, wax, water and an emulsifier wherein the emulsifier comprises purified kraft lignin and a water-soluble base. A process for preparing said aqueous wax dispersions and their use.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 9, 2023
    Applicant: Walker Industries Holdings Limited
    Inventors: Niels Mathieu Barbara SMEETS, Laurence Anthony SINNIGE, Azadeh JOSHANI, Hyungseak KIM
  • Aqueous wax emulsions and dispersions and uses thereof
    Patent number: 11752660
    Abstract: An aqueous wax emulsion or dispersion comprising, wax, water and an emulsifier wherein the emulsifier comprises purified kraft lignin and a water-soluble base. A process for preparing said aqueous wax dispersions and their use.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: September 12, 2023
    Assignee: WALKER INDUSTRIES HOLDINGS LIMITED
    Inventors: Niels Mathieu Barbara Smeets, Laurence Anthony Sinnige, Azadeh Joshani, Hyungseak Kim
  • WAX DISPERSION COMPOSITION CONTAINING LIGNIN FOR IMPARTING WATER RESISTANCE TO GYPSUM
    Publication number: 20230265016
    Abstract: Aqueous water repellency dispersions for use in the manufacture of gypsum wallboard, comprising a wax phase including a wax and a functionalized wax, an aqueous phase including a Kraft lignin and a water soluble base in an amount sufficient to solubilize the Kraft lignin.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 24, 2023
    Inventors: Laurence Anthony SINNIGE, Niels Mathieu Barbara SMEETS, Rebecca Katie HUM
  • AQUEOUS WAX EMULSIONS AND DISPERSIONS AND USES THEREOF
    Publication number: 20210060814
    Abstract: An aqueous wax emulsion or dispersion comprising, wax, water and an emulsifier wherein the emulsifier comprises purified kraft lignin and a water-soluble base. A process for preparing said aqueous wax dispersions and their use.
    Type: Application
    Filed: August 26, 2020
    Publication date: March 4, 2021
    Applicant: Walker Industries Holdings Limited
    Inventors: Niels Mathieu Barbara SMEETS, Laurence Anthony SINNIGE, Azadeh JOSHANI, Hyungseak KIM
  • Emulsions for fibreglass binder systems
    Patent number: 8968870
    Abstract: The present invention relates to an aqueous anti-dusting formulation for use in combination with a binder in the manufacture of fiber wool insulation, the formula comprising: a) oil; b) polyvinyl alcohol; and c) water. The invention further relates to a method for preparing a glass or mineral fiber product with the anti-dusting formulations and to products of the process.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: March 3, 2015
    Assignee: Walker Industries Holdings Limited
    Inventor: Laurence Anthony Sinnige
  • EMULSIONS FOR FIBREGLASS BINDER SYSTEMS
    Publication number: 20110190112
    Abstract: The present invention relates to an aqueous anti-dusting formulation for use in combination with a binder in the manufacture of fibre wool insulation, the formula comprising: a) oil; b) polyvinyl alcohol; and c) water. The invention further relates to a method for preparing a glass or mineral fibre product with the anti-dusting formulations and to products of the process.
    Type: Application
    Filed: February 1, 2011
    Publication date: August 4, 2011
    Applicant: Walker Industries Holdings Limited
    Inventor: Laurence Anthony SINNIGE
  • Formulations containing polyvinyl alcohol and sulphonated melamine polycondensate for use in gypsum slurries
    Patent number: 6946504
    Abstract: Aqueous formulation for enhancing flowability and setting properties of gypsum, slurries, comprising wax, polyvinyl-alcohol and a sulphonated melamine polycondensate are used for imparting water repellency to gypsum wall boards.
    Type: Grant
    Filed: April 2, 2002
    Date of Patent: September 20, 2005
    Assignee: Walker Industries Holding Limited
    Inventor: Laurence Anthony Sinnige
  • Wax emulsion formulation and gypsum composition containing same
    Patent number: 6890976
    Abstract: An aqueous emulsion for imparting water repellency characteristics to gypsum products comprising: a) a hydrocarbon wax: b) a polyolefin-maleic anhydride graft polymer; and c) a polyvinyl alcohol composition comprising partially and/or fully hydrolyzed polyvinyl acetate. The emulsion may also contain other known ancillary components such as emulsifiers and stabilizers.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: May 10, 2005
    Assignee: Walker Industries Holdings Limited
    Inventor: Laurence Anthony Sinnige
  • Wax emulsion formulation and gypsum composition containing same
    Publication number: 20040157962
    Abstract: An aqueous emulsion for imparting water repellency characteristics to gypsum products comprising: a) a hydrocarbon wax: b) a polyolefin-maleic anhydride graft polymer; and c) a polyvinyl alcohol composition comprising partially and/or fully hydrolyzed polyvinyl acetate. The emulsion may also contain other known ancillary components such as emulsifiers and stabilizers.
    Type: Application
    Filed: December 3, 2003
    Publication date: August 12, 2004
    Inventor: Laurence Anthony Sinnige
  • Formulations containing polyvinyl alcohol and sulphonated melamine polycondensate for use in gypsum slurries
    Publication number: 20040147644
    Abstract: Aqueous formulation for enhancing flowability and setting properties of gypsum, slurries, comprising wax, polyvinyl alcohol and a sulphonated melamine polycondensate are used for imparting water repellency to gypsum wall boards.
    Type: Application
    Filed: March 22, 2004
    Publication date: July 29, 2004
    Inventor: Laurence Anthony Sinnige
  • Wax emulsion composition for imparting water repellency to gypsum
    Patent number: 5968237
    Abstract: A water-based wax emulsion formulation for imparting water repellent characteristics to gypsum wall boards comprising: (a) hydrocarbon wax; (b) an alkyl acid and/or alkyl ester; and (c) a polyvinyl alcohol composition comprising partially and/or fully hydrolyzed polyvinyl acetate. The formulation may also contains other ancillary components such as emulsifiers and stabilizers.
    Type: Grant
    Filed: January 5, 1998
    Date of Patent: October 19, 1999
    Assignee: Walker Industries Holdings Limited
    Inventor: Laurence Anthony Sinnige