Patents by Inventor Katherine Anne Hughes

Katherine Anne Hughes 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).

  • Polymer additives and adhesive compositions including them
    Patent number: 7700703
    Abstract: New polymeric additive including one or more ethylenically unsaturated surfactant monomers are described having a number average molecular weight less than 40,000 and having an improved balance of tack, adhesion, plasticity and peel strength and water whitening resistance as compared to other polymer additives.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: April 20, 2010
    Assignee: Rohm and Haas Company
    Inventors: Katherine Anne Hughes, Alfred Karl Schultz