Patent Assignment
Reel/Frame 006056/0858
Assignment of Assignors Interest.
Recorded: 1992-03-26
Pages: 2
Assignor
HART, PAUL R.
Executed: 1992-02-26
Assignee
BETZ LABORATORIES, INC. A CORPORATION OF PA
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property
(1)
Method of Removing Benzene from Petroleum Desalter Brine
Patent:
5,236,591 →
Application:
07/843,747 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 16, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008133/0558 →
Notice of Grant of Security Interest
Jan 2, 2001
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERCULES CREDIT, INC., A DELAWARE CORPORATION; HERCULES FLAVOR, INC., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011590/0943 →
Release of Security Interest
Dec 31, 2002
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013669/0635 →