Granted Patent
Utility
US 4,609,685 · App. 06/731,196
Polyether polyols modified with amino alcohol-epoxy resin adducts
Inventors:
Michael Cuscurida, Harold G. Waddill
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: May 6, 1985
Inventors
Michael Cuscurida
Harold G. Waddill
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.