Granted Patent
Utility
US 6,465,606 · App. 09/777,763
Polyether monoamine with 36-44 EO units and 1-6 PO units
Inventors:
Randall Keith Evans, Richard Joseph Gilbert Dominguez, Richard J. Clark
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Feb 6, 2001
Inventors
Randall Keith Evans
Richard Joseph Gilbert Dominguez
Richard J. Clark
Assignee (at issue)
HUNTSMAN PETROCHEMICAL LLC
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.