Patents Represented by Law Firm Jackson, Richard K.
  • Claudogenic-interceptive nonapeptides
    Patent number: 4143133
    Abstract: Compounds of the formula:L-p-Glu-L-His-L-Trp-L-Ser-L-Tyr-D-2-(cyclohexyl)Gly-Y-L-Arg-L-Pro-NHC.sub.2 H.sub.5in which Y is L-Leu or L-(N-methyl)-Leu or a non-toxic acid addition salt thereof, are potent ovulation inducers and claudogenic-interceptive agents useful in preventing or terminating pregnancy in mammals.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: March 6, 1979
    Assignee: American Home Products Corporation
    Inventors: Theodore J. Foell, Richard W. A. Rees