Granted Patent
Utility
US 5,559,237 · App. 08/276,185
Process for preparation of 2-oxo-1-piperidinyl derivatives
Inventors:
Ramachandran Ranganathan, Thangavel Arunachalam, Kenneth J. Natalie, Jr.
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jul 15, 1994
Inventors
Ramachandran Ranganathan
Thangavel Arunachalam
Kenneth J. Natalie, Jr.
Assignee (at issue)
Bracco International BV
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.