Granted Patent
Utility
US 4,820,727 · App. 07/137,406
N-acyl-N-naphthoylglycines as aldose reductase inhibitors
Inventors:
Jay E. Wrobel, Kazimir Sestanj
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Dec 23, 1987
Inventors
Jay E. Wrobel
Kazimir Sestanj
Assignee (at issue)
Amerimas Home Products, 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.