Patent Assignment
Reel/Frame 003920/0506
Assignment of Assignors Interest.
Recorded: 1981-10-19
Pages: 1
Assignee
Covered Property
(1)
Catalytic Oxidation of Polynuclear Aromatic Hydrocarbons
Patent:
4,446,070 →
Application:
06/272,414 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 11, 1983
From: HYDROCARBON RESEARCH, INC.
To: HRI, INC.
Reel/Frame 004118/0001 →
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: INSTITUT FRANCAIS DU PETROLE
Reel/Frame 007662/0308 →