Granted Patent
Utility
US 4,795,813 · App. 06/946,540
Synthesis of derivatives of codeine and other 3-O-alkylmorphines
Inventor:
Martin A. Schwartz
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Dec 24, 1986
Inventor
Martin A. Schwartz
Assignee (at issue)
The Florida Board of Regents on behalf of The Florida State University
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.