Granted Patent
Utility
US 4,906,723 · App. 07/276,747
Aminopolyol stabilizers
Inventors:
Kenneth L. Hoy, Glenn A. Taylor, Chinsoo Lee
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Nov 28, 1988
Inventors
Kenneth L. Hoy
Glenn A. Taylor
Chinsoo Lee
Assignee (at issue)
Union Carbide Chemicals & Plastics
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.