Granted Patent
Utility
US 6,380,305 · App. 08/995,073
High impact resistant, high gloss, and high environmental stress crack resistant polymeric compositions
Inventor:
Hrong-Roang Sheu
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Dec 19, 1997
Inventor
Hrong-Roang Sheu
Assignee (at issue)
BASF SE
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.