IP Library › Granted Patent US 5,078,982
Granted Patent Utility
US 5,078,982 · App. 07/585,592

Reduction of nitrogen oxide in effluent gases using formaldehyde

Inventors: Ralph A. Gardner-Chavis, Micahel P. May
Patented Case View Patent ↗
Granted: Jan 7, 1992 Filed: Sep 20, 1990
Inventors
Ralph A. Gardner-Chavis
Micahel P. May
Assignee (at issue)
Molecular Technology GmbH

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 5,078,982
App. No.
07/585,592
Filed
1990-09-20
Granted
1992-01-07
Kind
A