IP Library Granted Patent US 5,280,120
Granted Patent Utility
US 5,280,120 · App. 07/984,897

Catalytic processes for the preparation triethylenediamine

Inventor: Stephen W. King
Patented Case View Patent ↗
Granted: Jan 18, 1994 Filed: Dec 2, 1992
Inventor
Stephen W. King
Assignee (at issue)
Union Carbide Chemicals & Plastics Technology LLC

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 5,280,120
App. No.
07/984,897
Filed
1992-12-02
Granted
1994-01-18
Kind
A