IP Library › Granted Patent US 4,536,302
Granted Patent Utility
US 4,536,302 · App. 06/509,717

Corrosion inhibition of aqueous brines

Inventors: John J. Augsburger, R. Keith Darlington
Patented Case View Patent ↗
Granted: Aug 20, 1985 Filed: Jun 30, 1983
Inventors
John J. Augsburger
R. Keith Darlington

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 4,536,302
App. No.
06/509,717
Filed
1983-06-30
Granted
1985-08-20
Kind
A