IP Library › Granted Patent US 5,340,786
Granted Patent Utility
US 5,340,786 · App. 08/151,765

Olefin polymerization catalyst and process for the polymerization of olefins

Inventors: Toshiyuki Tsutsui, Kazunori Okawa, Akinori Toyota
Patented Case View Patent ↗
Granted: Aug 23, 1994 Filed: Nov 15, 1993
Inventors
Toshiyuki Tsutsui
Kazunori Okawa
Akinori Toyota
Assignee (at issue)
Mitsui Petrochemical 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,340,786
App. No.
08/151,765
Filed
1993-11-15
Granted
1994-08-23
Kind
A