IP Library Granted Patent US 4,946,970
Granted Patent Utility
US 4,946,970 · App. 07/279,430

Suppression of trimellitic anhydride dust

Inventors: Michael R. Green, Chang-Man Park, Adel B. Abdul-Malek
Patented Case View Patent ↗
Granted: Aug 7, 1990 Filed: Dec 2, 1988
Inventors
Michael R. Green
Chang-Man Park
Adel B. Abdul-Malek
Assignee (at issue)
Amoco 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 4,946,970
App. No.
07/279,430
Filed
1988-12-02
Granted
1990-08-07
Kind
A