IP Library › Granted Patent US 4,532,165
Granted Patent Utility
US 4,532,165 · App. 06/492,750

Poly-1-butene resin composition

Inventors: Takashi Hashimoto, Chikara Igarashi
Patented Case View Patent ↗
Granted: Jul 30, 1985 Filed: May 9, 1983
Inventors
Takashi Hashimoto
Chikara Igarashi
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 4,532,165
App. No.
06/492,750
Filed
1983-05-09
Granted
1985-07-30
Kind
A