Patents by Inventor Charles V. Gredeinskas

Charles V. Gredeinskas 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).

  • 15-Deoxy-16-hydroxy-16-substituted-3-thia-prostanoic acids
    Patent number: 4131737
    Abstract: This disclosure describes novel 15-deoxy-16-hydroxy-16-substituted prostanoic acids and conomers thereof having utility as bronchodilators as hypotensive agents, and as agents for the control of excessive gastric secretion.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: December 26, 1978
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Martin J. Weiss, Charles V. Gredeinskas, Sow-mei C. Chen