IP Library Assignment 003933/0290
Patent Assignment
Reel/Frame 003933/0290

Assignment of Assignors Interest.

Recorded: 1981-12-11 Pages: 3
Assignors
HUIBERS, DERK T. A.
Executed: 1981-08-21
PARKHURST, HUGH J. JR.
Executed: 1981-08-21
Assignee
HYDROCARBON RESEARCH INC., A CORP. OF DE
134 FRANKLIN CORNER ROAD, LAWRENCEVILLE, NEW JERSEY, 08648
Covered Property (1)
Lignin Hydrocracking Process to Produce Phenol and Benzene
Patent: 4,420,644 →
Application: 06/295,459 →
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 →