Granted Patent
Utility
US 6,255,390 · App. 09/402,788
Polyolefin type resinous composition
Inventors:
Takehiko Enomoto, Chikashi Okayama
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Oct 12, 1999
Inventors
Takehiko Enomoto
Chikashi Okayama
Assignee (at issue)
Chisso Corporation
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.