IP Library › Granted Patent US 5,895,638
Granted Patent Utility
US 5,895,638 · App. 08/821,164

Method of producing chlorine dioxide

Inventor: Joel Tenney
Patented Case View Patent ↗
Granted: Apr 20, 1999 Filed: Mar 20, 1997
Inventor
Joel Tenney
Assignee (at issue)
AKZO NOBEL N.V.

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 5,895,638
App. No.
08/821,164
Filed
1997-03-20
Granted
1999-04-20
Kind
A