IP Library › Granted Patent US 5,009,678
Granted Patent Utility
US 5,009,678 · App. 07/429,817

Process for recovery of ammonia from an ammonia-containing gas mixture

Inventors: Benjamin Bikson, Joyce K. Nelson, Jerry E. Perrin
Patented Case View Patent ↗
Granted: Apr 23, 1991 Filed: Oct 31, 1989
Inventors
Benjamin Bikson
Joyce K. Nelson
Jerry E. Perrin
Assignee (at issue)
Union Carbide Industrial Gases Technology Corporation

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 5,009,678
App. No.
07/429,817
Filed
1989-10-31
Granted
1991-04-23
Kind
A