IP Library Granted Patent US 4,409,153
Granted Patent Utility
US 4,409,153 · App. 06/351,419

O-(2-Aryl-3-oxo-1-cyclohexenyl) phosphates

Inventor: Leonard E. Hodakowski
Patented Case View Patent ↗
Granted: Oct 11, 1983 Filed: Feb 23, 1982
Inventor
Leonard E. Hodakowski
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 4,409,153
App. No.
06/351,419
Filed
1982-02-23
Granted
1983-10-11
Kind
A