Granted Patent
Utility
US 4,654,376 · App. 06/791,015
Polyurethane foams based on amino polyols
Inventors:
Michael E. Brennan, Kenneth G. McDaniel, Howard P. Klein
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Oct 24, 1985
Inventors
Michael E. Brennan
Kenneth G. McDaniel
Howard P. Klein
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.