Patents by Inventor Thomas L. Guyer

Thomas L. Guyer 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).

  • Patent number: 4631305
    Abstract: Compressed tablets containing polymeric material as a disintegrant. A particular material is colestipol hydrochloride.
    Type: Grant
    Filed: March 22, 1985
    Date of Patent: December 23, 1986
    Assignee: The Upjohn Company
    Inventors: Thomas L. Guyer, Robert M. Franz