Patents by Inventor Dan L. Gaulding

Dan L. Gaulding 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).

  • Sulfonic acid-type catalysts useful in, for example, esterification reactions
    Patent number: 3976595
    Abstract: Sulfonic acid catalysts useful in, for example, esterification reactions and which contain an admixture of any of several phosphorus compounds including specifically ortho-phosphoric acid are much less corrosive toward metal processing equipment than are sulfonic acid catalysts without the phosphoric admixture.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: August 24, 1976
    Assignee: Celanese Corporation
    Inventors: Robert H. Scott, Dan L. Gaulding