Patent Assignment
Reel/Frame 005877/0869
Assignment of Assignors Interest.
Recorded: 1991-10-28
Pages: 2
Assignors
LIAO, WEN P.
Executed: 1991-02-26
CHEN, FU
Executed: 1991-02-26
VASCONCELLOS, STEPHEN R.
Executed: 1991-02-26
Assignee
BETZ LABORATORIES, INC. A CORP. OF PENNSYLVANIA
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property
(1)
Water Soluble Block Copolymers and Methods of Use Thereof
Patent:
5,182,331 →
Application:
07/661,580 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Notice of Grant of Security Interest
Dec 26, 2000
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERECULES 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 011400/0719 →
Memorandum of License
Aug 13, 2002
From: BETZDEARBORN INC. (A PENNSYLVANIA CORPORATION)
To: HERCULES, INCORPORATED (A DELAWARE CORPORATION); AQUALON COMPANY, (A DELAWARE PARTNERSHIP)
Reel/Frame 013184/0919 →
Consent
Aug 13, 2002
From: BANK OF AMERICA N.A., AS AGENT
To: BETZDEARBORN INC.
Reel/Frame 013184/0926 →
Release of Security Interest
Jan 2, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013691/0642 →