Patents Assigned to SISA Pharmaceutical Laboratories, Inc.
  • Trans-B/C-7-(1-hydroxypentyl)-3-methoxy-17 methyl-6,7-didehydromorphinans, and methods of relieving pain with them
    Patent number: 4454141
    Abstract: Disclosed are trans-B/C-7-(1-hydroxypentyl)-3-methoxy-17-methyl-6,7-didehydromorphinans of the formula: ##STR1## These compounds have been found to possess potent analgesic activity.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: June 12, 1984
    Assignee: SISA Pharmaceutical Laboratories, Inc.
    Inventor: James E. Quick
  • 7-Carboethoxy-morphinan-6-one compounds
    Patent number: 4423221
    Abstract: The present invention involves 7-carboethoxymorphinan-6-one compounds of the formula: ##STR1## These compounds are useful as analgesic and/or narcotic antagonists.
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: December 27, 1983
    Assignee: SISA Pharmaceutical Laboratories, Inc.
    Inventors: Raj K. Razdan, Haldean C. Dalzell