Patent Assignment
Reel/Frame 004800/0679
Assignment of Assignors Interest.
Recorded: 1987-10-16
Pages: 3
Assignors
MAC ARTHUR, JAMES B.
Executed: 1987-10-16
COMOLLI, ALFRED G.
Executed: 1987-10-16
MC LEAN, JOSEPH B.
Executed: 1987-10-14
Covered Property
(1)
Catalytic Two-Stage Coal Hydrogenation Process Using Extinction Recycle of Heavy Liquid Fraction
Patent:
4,874,506 →
Application:
07/109,646 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 2, 1994
From: HRI, INC.
To: HYDROCARBON RESEARCH,INC.
Reel/Frame 006847/0641 →
Assignment of Assignor's Interest
Jun 28, 1995
From: HYDROCARBON RESEARCH, INC.
To: IFP ENTERPRISES
Reel/Frame 007662/0538 →
Merger
Aug 22, 2002
From: PROCATALYSE U.S.A., INC.; IFP ENTERPRISES INC.; IFP NORTH AMERICA, INC.
To: AXENS NORTH AMERICA, INC.
Reel/Frame 013211/0925 →