Granted Patent
Utility
US 4,855,481 · App. 07/176,828
Process for the preparation of HMG-CoA reductase inhibitors and intermediate compounds employed therein
Inventors:
Yvan Guindon, Christiane Yoakim, Howard E. Morton
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Apr 4, 1988
Inventors
Yvan Guindon
Christiane Yoakim
Howard E. Morton
Assignee (at issue)
Merck Frosst Canada Ltd.
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.