Patents by Inventor Erwin A. Stephan

Erwin A. Stephan 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).

  • Bromination of m-ethyldiphenyl ether
    Patent number: 4252624
    Abstract: m-(.alpha.-Bromoethyl)diphenyl ether is prepared by a free radical bromination of m-ethyldiphenyl ether.
    Type: Grant
    Filed: April 24, 1979
    Date of Patent: February 24, 1981
    Assignee: Eli Lilly and Company
    Inventor: Erwin A. Stephan
  • 2-Phenyl-5-benzoxazolylalkanoic acid purification process
    Patent number: 4087437
    Abstract: Crude preparations of 2-phenyl-5-benzoxazolylalkanoic acids are purified by forming the ammonium salt thereof in an organic solvent and thermally reconverting the separated ammonium salt to the acid. Gaseous ammonia is a by-product.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: May 2, 1978
    Assignee: Eli Lilly and Company
    Inventor: Erwin A. Stephan
  • Ethyl- and vinylbenzenes as antithrombotic agents
    Patent number: 4027041
    Abstract: A method of treating vascular thrombosis in warm-blooded animals, employing an ethyl- or vinylbenzene as the active antithrombotic agent.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: May 31, 1977
    Assignee: Eli Lilly and Company
    Inventor: Erwin A. Stephan
  • Ethyl- and vinylbenzenes as anti-inflammatory agents
    Patent number: 4024284
    Abstract: A method of treating inflammation in warm-blooded animals, employing an ethyl- or vinylbenzene as the active anti-inflammatory agent.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: May 17, 1977
    Assignee: Eli Lilly and Company
    Inventor: Erwin A. Stephan
  • Ethyl- and vinylbenzenes as anti-inflammatory agents
    Patent number: 3975543
    Abstract: A method of treating inflammation in warm-blooded animals, employing an ethyl- or vinylbenzene as the active anti-inflammatory agent.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: August 17, 1976
    Assignee: Eli Lilly and Company
    Inventor: Erwin A. Stephan
  • Ethyl- and vinylbenzenes as antithromobiotic agents
    Patent number: 3975542
    Abstract: A method of treating vascular thrombosis in warmblooded animals, employing an ethyl- or vinylbenzene as the active antithrombotic agent.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: August 17, 1976
    Assignee: Eli Lilly and Company
    Inventor: Erwin A. Stephan