Patents by Inventor Charles S. Colburn, Jr.

Charles S. Colburn, Jr. 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).

  • Grease compositions and oxyaluminum acylate intermediate compositions useful in the preparation thereof
    Patent number: 4303538
    Abstract: Mixed aromatic/aliphatic oxyaluminum acylates wherein the ratio of the number of aromatic radicals to the number of aliphatic radicals ranges from 3:1 to 19:1 and a process for making such compounds. Also premix compositions useful in grease manufacture are provided along with methods for preparing new greases therefrom.
    Type: Grant
    Filed: November 4, 1980
    Date of Patent: December 1, 1981
    Assignee: Chattem, Inc.
    Inventors: Charles E. Pratt, Charles S. Colburn, Jr.