Patents by Inventor Kathryn Capacasa

Kathryn Capacasa 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 of making water-resistant gypsum-based article
    Patent number: 7892472
    Abstract: A moisture resistant gypsum-based product, e.g., a gypsum board, is made by adding a small amount of a siloxane to the aqueous slurry used to make the gypsum-based product along with a small amount of a dead burned magnesium oxide catalyst to enhance the curing of the siloxane. In the preferred embodiment, the siloxane is formed into an aqueous emulsion in situ with no chemical emulsifier.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: February 22, 2011
    Assignee: United States Gypsum Company
    Inventors: Srinivas Veeramasuneni, Kathryn Capacasa
  • Method of making water-resistant gypsum-based article
    Publication number: 20060035112
    Abstract: A moisture resistant gypsum-based product, e.g., a gypsum board, is made by adding a small amount of a siloxane to the aqueous slurry used to make the gypsum-based product along with a small amount of a dead burned magnesium oxide catalyst to enhance the curing of the siloxane. In the preferred embodiment, the siloxane is formed into an aqueous emulsion in situ with no chemical emulsifier.
    Type: Application
    Filed: August 12, 2004
    Publication date: February 16, 2006
    Inventors: Srinivas Veeramasuneni, Kathryn Capacasa