Granted Patent
Utility
US 4,479,010 · App. 06/515,406
Procedure for the alkoxylation of polyoxyalkyleneamines
Inventors:
Michael Cuscurida, Walter P. Krause
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: Jul 20, 1983
Inventors
Michael Cuscurida
Walter P. Krause
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.