Patents by Inventor William P. Heilman

William P. Heilman 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: 4405619
    Abstract: Substituted 1,2,4-triazolo[4,3-b]-1,2,4-triazines have been found to be effective antiinflammatory and analgesic agents for warm-blooded animals. Pharmacological compositions thereof and methods of using same are described.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: September 20, 1983
    Assignee: Diamond Shamrock Corporation
    Inventors: William P. Heilman, James M. Gullo
  • Patent number: 4310551
    Abstract: Substituted 1,2,4-triazines, compositions thereof and methods of using same are described. The compounds of the invention exhibit a wide range of pharmacological activity including anti-inflammatory, analgesic, anti-pyretic, hypotensive and central nervous system effects.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: January 12, 1982
    Assignee: Diamond Shamrock Corporation
    Inventors: James M. Gullo, William P. Heilman, Robert J. Wayner, Robert E. Moser
  • Patent number: 4251527
    Abstract: Substituted 1,2,4-triazines, compositions thereof and methods of using same are described. The compounds of the invention exhibit a wide range of pharmacological activity including anti-inflammatory, analgesic, anti-pyretic, hypotensive and central nervous system effects.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: February 17, 1981
    Assignee: Diamond Shamrock Corporation
    Inventors: James M. Gullo, William P. Heilman, Robert J. Wayner, Robert E. Moser
  • Patent number: 4157392
    Abstract: Substituted 1,2,4-triazines, compositions thereof and methods of using same are described. The compounds of the invention exhibit a wide range of pharmacological activity including anti-inflammatory, analgesic, anti-pyretic, hypotensive and central nervous system effects.
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: June 5, 1979
    Assignee: Diamond Shamrock Corporation
    Inventors: James M. Gullo, William P. Heilman, Robert J. Wayner, Robert E. Moser