IP Library › Granted Patent US 4,740,642
Granted Patent Utility
US 4,740,642 · App. 06/898,566

Catalyst and process for the fluid-bed oxychlorination of ethylene to EDC

Inventors: Jamal S. Eden, Joseph A. Cowfer
Patented Case View Patent ↗
Granted: Apr 26, 1988 Filed: Aug 21, 1986
Inventors
Jamal S. Eden
Joseph A. Cowfer
Assignee (at issue)
B. F. Goodrich Company

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 4,740,642
App. No.
06/898,566
Filed
1986-08-21
Granted
1988-04-26
Kind
A