Granted Patent
Utility
US 4,612,335 · App. 06/731,195
Polyoxyalkylene polyether amino alcohols containing a tertiary hydroxyl group and flexible polyurethanes made therefrom
Inventors:
Michael Cuscurida, Howard P. Klein
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: May 6, 1985
Inventors
Michael Cuscurida
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.