IP Library Granted Patent US 5,272,191
Granted Patent Utility
US 5,272,191 · App. 07/748,139

Cold water soluble films and film forming compositions

Inventors: Nagui Ibrahim, Richard M. Herbert
Patented Case View Patent ↗
Granted: Dec 21, 1993 Filed: Aug 21, 1991
Inventors
Nagui Ibrahim
Richard M. Herbert
Assignee (at issue)
FMC CORPORATION

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,272,191
App. No.
07/748,139
Filed
1991-08-21
Granted
1993-12-21
Kind
A