Patents by Inventor Howard R. Dungworth

Howard R. Dungworth 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).

  • Copolymers useful as rheology modifiers and home and personal care compositions comprising said copolymers
    Patent number: 9439848
    Abstract: The present invention relates to aqueous personal care, household care, and/or fabric care compositions comprising the instant copolymers. Also disclosed are methods for the rheological modification of aqueous personal care, household care, and/or fabric care compositions comprising the instant copolymers.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: September 13, 2016
    Assignee: BASF SE
    Inventors: Keith Graham, David Normington, Howard R. Dungworth, John M. Plonka
  • Copolymers useful as rheology modifiers and home and personal care compositions comprising said copolymers
    Publication number: 20100056647
    Abstract: The present invention relates to aqueous personal care, household care, and/or fabric care compositions comprising the instant copolymers. Also disclosed are methods for the rheological modification of aqueous personal care, household care, and/or fabric care compositions comprising the instant copolymers.
    Type: Application
    Filed: August 27, 2009
    Publication date: March 4, 2010
    Applicant: Ciba Corporation
    Inventors: Keith Graham, David Normington, Howard R. Dungworth, John M. Plonka
  • Ink jet recording medium
    Patent number: 7521101
    Abstract: An ink jet recording media system is described which comprises at least one coating layer that comprises a copolymer or cooligomer, which copolymer or cooligomer comprises monomer units derived from at least one monomer selected from the group consisting of the acrylate and acrylamide monomers, at least one monomer selected from the group consisting of the amine containing ethylenically unsaturated monomers and at least one monomer selected from the group consisting of the polyacrylates of polyols. The copolymer or cooligomer is at least partially neutralized with acid. The media system exhibits excellent dye wash fastness, fast dry times, high gloss and excellent light fastness.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: April 21, 2009
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Andrew S. Naisby, Howard R. Dungworth, Donna Pennant, Joseph Suhadolnik