Patents by Inventor Joel R. Huff

Joel R. Huff 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).

  • Process for preparing novel N-carboxyl-.alpha.-amino acid anhydrides
    Patent number: 4160712
    Abstract: N-carboxyanhydrides of hydroxyphenylalanines are disclosed. The compounds have antihypertensive activity.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: July 10, 1979
    Assignee: Merck & Co., Inc.
    Inventors: Walfred S. Saari, Joel R. Huff
  • Novel N-carboxy-alpha-amino acid anhydrides
    Patent number: 4120971
    Abstract: N-carboxyanhydrides of hydroxyphenylalanines are disclosed. The compounds have antihypertensive activity.
    Type: Grant
    Filed: March 1, 1977
    Date of Patent: October 17, 1978
    Assignee: Merck & Co., Inc.
    Inventors: Walfred S. Saari, Joel R. Huff