IP Library › Granted Patent US 4,069,255
Granted Patent Utility
US 4,069,255 · App. 05/728,353

Preparation of acrylamide

Inventor: Michael Martan
Patented Case View Patent ↗
Granted: Jan 17, 1978 Filed: Sep 30, 1976
Inventor
Michael Martan
Assignee (at issue)
UOP 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 4,069,255
App. No.
05/728,353
Filed
1976-09-30
Granted
1978-01-17
Kind
A