Patent Assignment
Reel/Frame 004852/0339
Assignment of Assignors Interest.
Recorded: 1988-04-18
Pages: 3
Assignor
NL CHEMICALS, INC.
Executed: 1988-04-14
Assignee
NL INDUSTRIES, INC.
3000 NORTH BELT EAST, A CORP. OF NJ, HOUSTON, TEXAS, 77032
Covered Property
(1)
Synthesized Gellants Containing Smectite-Type Clay and Process for Pro Ducing Same
Patent:
4,040,974 →
Application:
05/680,593 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 14, 1988
From: NL INDUSTRIES, INC., A NJ CORP.
To: BAROID TECHNOLOGY, INC.
Reel/Frame 005091/0020 →
Security Interest
Mar 8, 1989
From: BAROID CORPORATION, A CORP. OF DE.
To: CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), THE
Reel/Frame 005196/0501 →
Released by Secured Party
May 7, 1992
From: CHASE MANHATTAN BANK, THE
To: BAROID CORPORATION
Reel/Frame 006085/0590 →