Granted Patent
Utility
US 4,511,704 · App. 06/537,165
Process for producing polyolefin
Inventors:
Toru Tanaka, Nobuaki Gohko, Osamu Kishiro, Atsushi Murakami
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Sep 30, 1983
Inventors
Toru Tanaka
Nobuaki Gohko
Osamu Kishiro
Atsushi Murakami
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.