IP Library Granted Patent US 5,013,867
Granted Patent Utility
US 5,013,867 · App. 07/491,195

Liquid oxidatively modified ethylenic random copolymer, process of making and use

Inventors: Tatsuo Kinoshita, Shuji Minami, Kinya Mizui, Ryousuke Kaneshige
Patented Case View Patent ↗
Granted: May 7, 1991 Filed: Mar 9, 1990
Inventors
Tatsuo Kinoshita
Shuji Minami
Kinya Mizui
Ryousuke Kaneshige
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 5,013,867
App. No.
07/491,195
Filed
1990-03-09
Granted
1991-05-07
Kind
A