Granted Patent
Utility
US 5,783,630 · App. 08/499,521
Polyether amine modification of polypropylene
Inventors:
Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Jul 7, 1995
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.