IP Library Granted Patent US 4,965,393
Granted Patent Utility
US 4,965,393 · App. 07/318,299

Process for producing acrylonitrile

Inventors: Yutaka Sasaki, Kunio Mori, Kiyoshi Moriya
Patented Case View Patent ↗
Granted: Oct 23, 1990 Filed: Mar 3, 1989
Inventors
Yutaka Sasaki
Kunio Mori
Kiyoshi Moriya
Assignee (at issue)
Nitto Chemical Industry 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 4,965,393
App. No.
07/318,299
Filed
1989-03-03
Granted
1990-10-23
Kind
A