IP Library Granted Patent US 4,422,870
Granted Patent Utility
US 4,422,870 · App. 05/781,781

Biocidal 2-aryl-1, 3-cyclohexanedione enol ester compounds

Inventor: Thomas N. Wheeler
Patented Case View Patent ↗
Granted: Dec 27, 1983 Filed: Mar 28, 1977
Inventor
Thomas N. Wheeler
Assignee (at issue)
Union Carbide 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 4,422,870
App. No.
05/781,781
Filed
1977-03-28
Granted
1983-12-27
Kind
A