Granted Patent
Utility
US 6,031,048 · App. 08/679,070
Polyether amine modification of polypropylene
Inventors:
Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Jul 12, 1996
Inventors
Randall Keith Evans
Richard J. G. 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.