Granted Patent
Utility
US 4,940,556 · App. 07/057,469
Method of preparing long acting formulation
Inventors:
Calum B. MacFarlane, Alastair B. Selkirk, Michael J. Dey
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Jul 26, 1987
Inventors
Calum B. MacFarlane
Alastair B. Selkirk
Michael J. Dey
Assignee (at issue)
Syntex (U.S.A.) LLC
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.