IP Library › Granted Patent US 4,539,378
Granted Patent Utility
US 4,539,378 · App. 06/654,903

Vinyl polymer polyols made using epoxy resin-modified polyols

Inventors: Michael Cuscurida, Ernest L. Yeakey
Patented Case View Patent ↗
Granted: Sep 3, 1985 Filed: Sep 27, 1984
Inventors
Michael Cuscurida
Ernest L. Yeakey
Assignee (at issue)
Texaco 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.

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 4,539,378
App. No.
06/654,903
Filed
1984-09-27
Granted
1985-09-03
Kind
A