Granted Patent
Utility
US 5,631,375 · App. 08/369,234
Process for piperidine derivatives
Inventors:
Chi-Hsin Richard King, Michele A. Kaminski, Teng-Man Chen
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Jan 6, 1995
Inventors
Chi-Hsin Richard King
Michele A. Kaminski
Teng-Man Chen
Assignee (at issue)
Merrell Pharmaceuticals, Inc.
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.