Granted Patent
Utility
US 4,581,470 · App. 06/536,315
Novel polyols and uses thereof
Inventors:
Kenneth L. Hoy, Glenn A. Taylor
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Sep 27, 1983
Inventors
Kenneth L. Hoy
Glenn A. Taylor
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.