Patents by Inventor Dwight G. Sellers

Dwight G. Sellers 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 manufacturing a water-resistant gypsum composition
    Patent number: 5135805
    Abstract: A method for incorporating siloxane into a water-resistant, gypsum-based article is disclosed, comprising, (A) adding said siloxane to water; (B) mixing said siloxane/water mixture with calcined gypsum to form an aqueous slurry; and (C) allowing said slurry to set to form a set gypsum-based, water-resistant article.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: August 4, 1992
    Assignee: Georgia-Pacific Corporation
    Inventors: Dwight G. Sellers, Franklin A. Altman, Turner W. Richards