Granted Patent
Utility
US 5,344,978 · App. 07/994,247
N-acetonyl-substituted-naphthyl-amides
Inventor:
Ashok K. Sharma
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Dec 21, 1992
Inventor
Ashok K. Sharma
Assignee (at issue)
Rohm and Haas Company
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.