IP Library › Granted Patent US 4,500,499
Granted Patent Utility
US 4,500,499 · App. 06/500,126

Production of high purity stable ferrate salts

Inventors: Jerry J. Kaczur, John Coleman
Patented Case View Patent ↗
Granted: Feb 19, 1985 Filed: Jun 1, 1983
Inventors
Jerry J. Kaczur
John Coleman
Assignee (at issue)
Olin 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 4,500,499
App. No.
06/500,126
Filed
1983-06-01
Granted
1985-02-19
Kind
A