IP Library › Granted Patent US 4,255,290
Granted Patent Utility
US 4,255,290 · App. 06/065,672

Nonacidic multimetallic catalytic composite

Inventors: John F. Flagg, George J. Antos
Patented Case View Patent ↗
Granted: Mar 10, 1981 Filed: Aug 10, 1979
Inventors
John F. Flagg
George J. Antos
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 4,255,290
App. No.
06/065,672
Filed
1979-08-10
Granted
1981-03-10
Kind
A