Patent Assignment
Reel/Frame 004969/0087
Assignment of Assignors Interest.
Recorded: 1988-12-02
Pages: 1
Assignor
CHEN, FU
Executed: 1988-07-18
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON RD., A CORP. OF PA, TREVOSE, PENNSYLVANIA, 19047
Covered Property
(1)
Water Treatment Polymers and Methods of Use Thereof
Patent:
4,895,663 →
Application:
07/220,194 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jan 21, 1997
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008307/0759 →
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 011410/0832 →
Release of Security Agreement
Jan 2, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULESE FLAVOR, INC.; WSP, INC.
Reel/Frame 013625/0865 →