IP Library Granted Patent US 4,954,634
Granted Patent Utility
US 4,954,634 · App. 07/221,953

Process for the selective N-acylation of aminohydroxamic acid derivatives and starting materials used therein

Inventors: Peter Heinrich, Theophile Moerker
Patented Case View Patent ↗
Granted: Sep 4, 1990 Filed: Jul 20, 1988
Inventors
Peter Heinrich
Theophile Moerker
Assignee (at issue)
Ciba-Geigy

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 4,954,634
App. No.
07/221,953
Filed
1988-07-20
Granted
1990-09-04
Kind
A