IP Library Granted Patent US 5,488,086
Granted Patent Utility
US 5,488,086 · App. 08/209,591

Polycarbonate resin composition

Inventors: Takashi Umeda, Masaya Okamoto
Patented Case View Patent ↗
Granted: Jan 30, 1996 Filed: Mar 10, 1994
Inventors
Takashi Umeda
Masaya Okamoto
Assignee (at issue)
Idemitsu Petrochemical Co., 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 5,488,086
App. No.
08/209,591
Filed
1994-03-10
Granted
1996-01-30
Kind
A