IP Library Granted Patent US 5,700,749
Granted Patent Utility
US 5,700,749 · App. 08/396,893

Process for polymerizing olefins

Inventors: Toshiyuki Tsutsui, Akinori Toyota, Norio Kashiwa
Patented Case View Patent ↗
Granted: Dec 23, 1997 Filed: Mar 1, 1995
Inventors
Toshiyuki Tsutsui
Akinori Toyota
Norio Kashiwa
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 5,700,749
App. No.
08/396,893
Filed
1995-03-01
Granted
1997-12-23
Kind
A