Patents by Inventor Laurie J. Scott

Laurie J. Scott 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).

  • Patent number: 4649164
    Abstract: Foamed water-swellable polymeric water absorbent materials are prepared by contacting a polymer capable of having a water-swellable character and containing acid moieties in acid form with a blowing agent such as sodium bicarbonate, which blowing agent is capable of neutralizing the acid moieties of the polymer. The foamed polymers are useful in a wide variety of water absorbent applications.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: March 10, 1987
    Assignee: The Dow Chemical Company
    Inventors: Laurie J. Scott, Robert E. Erickson, Theodore C. Wallace
  • Patent number: 4529739
    Abstract: Foamed water-swellable polymeric water absorbent materials are prepared by contacting a polymer capable of having a water-swellable character and containing acid moieties in acid form with a blowing agent such as sodium bicarbonate, which blowing agent is capable of neutralizing the acid moieties of the polymer. The foamed polymers are useful in a wide variety of water absorbent applications.
    Type: Grant
    Filed: July 24, 1984
    Date of Patent: July 16, 1985
    Assignee: The Dow Chemical Company
    Inventors: Laurie J. Scott, Robert E. Erickson, Theodore C. Wallace