Patents by Inventor William P. Blackburn

William P. Blackburn 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).

  • Fluoride ion as a curing catalyst for silicon-containing resins
    Patent number: 4611040
    Abstract: Disclosed is a composition comprising (A) a silicon-containing resin having in a molecule thereof at least one silicon atom connected to a hydrolyzable group and/or a hydroxyl group, and (B) a cure promoting catalyst system for the silicon-containing resin. The catalyst system comprises a compound containing a fluoride ion. Also disclosed is a composition comprising such a silicon-containing resin, and a catalyst system comprising a compound containing a fluoride ion in combination with an organotin compound.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: September 9, 1986
    Assignee: PPG Industries, Inc.
    Inventors: Kurt G. Olson, William P. Blackburn, Mark E. Endlish
  • Ammonium salts of sulfocarboxylic acid esters as acid catalysts
    Patent number: 4529665
    Abstract: In a curable composition which contains as its principal components an active hydrogen-containing resin, a curing agent, and an acid catalyst, improved properties result by utilizing as the acid catalyst an ammonium salt or substituted ammonium salt of a sulfocarboxylic acid ester. The resultant composition is capable of curing at a low temperature and exhibits good appearance, solvent resistance and intercoat adhesion.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: July 16, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, Samuel Porter, Jr., William P. Blackburn, Karl F. Schimmel, Rostyslaw Dowbenko