Patents by Inventor Kenneth Bruce Laughlin

Kenneth Bruce Laughlin 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).

  • Method for making polymers
    Patent number: 7906591
    Abstract: A method for preparing acid-containing polymers by reacting them in the presence of end-capped polyols or amines in the presence of phosphorous-containing compounds.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: March 15, 2011
    Assignee: Rohm and Haas Company
    Inventors: Barry Weinstein, Kenneth Bruce Laughlin, William C. Finch
  • Method for making polymers
    Publication number: 20090137746
    Abstract: A method for preparing acid-containing polymers by reacting them in the presence of end-capped polyols or amines in the presence of phosphorous-containing compounds.
    Type: Application
    Filed: November 25, 2008
    Publication date: May 28, 2009
    Inventors: Barry Weinstein, Kenneth Bruce Laughlin, William C. Finch