Patents by Inventor Thomas Ken Schaaf

Thomas Ken Schaaf 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).

  • Bone deposition by 2-descarboxy-2-(tetrazol-5-yl)-11-dexosy-16-aryl prostaglandins
    Patent number: 4097601
    Abstract: Bone deposition in animals is produced by administration of 2-descarboxy-2-(tetrazol-5-yl)-11-desoxy-16-aryl-.omega.-tetranor prostaglandins of the E series, their C-15 keto isomers, and the pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: August 26, 1977
    Date of Patent: June 27, 1978
    Assignee: Pfizer Inc.
    Inventor: Thomas Ken Schaaf