IP Library › Granted Patent US 4,701,474
Granted Patent Utility
US 4,701,474 · App. 06/849,672

Reduced reactivity polyols as foam controllers in producing polyurethanes foams

Inventors: Frederick E. Bailey, Jr., Benny J. Argento
Patented Case View Patent ↗
Granted: Oct 20, 1987 Filed: Apr 9, 1986
Inventors
Frederick E. Bailey, Jr.
Benny J. Argento
Assignee (at issue)
Union Carbide 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 4,701,474
App. No.
06/849,672
Filed
1986-04-09
Granted
1987-10-20
Kind
A