Patent Assignment
Reel/Frame 006035/0903
Assignment of Assignors Interest.
Recorded: 1992-03-09
Pages: 2
Assignors
CHEN, FU
Executed: 1992-02-07
BAIR, KEITH A.
Executed: 1992-02-07
BOYETTE, SCOTT M.
Executed: 1992-02-07
Assignee
BETZ LABORATORIES, INC. A CORP. OF PENNSYLVANIA
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property
(1)
Polymers for the Treatment of Boiler Water
Patent:
5,242,599 →
Application:
07/832,547 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 20, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008146/0541 →
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 →