Patent Assignment
Reel/Frame 006299/0902
Assignment of Assignors Interest.
Recorded: 1992-11-12
Pages: 2
Assignors
CHEN, FU
Executed: 1992-10-06
BOYETTE, SCOTT M.
Executed: 1992-10-06
BAIR, KEITH A.
Executed: 1992-10-06
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053-6783
Covered Property
(1)
Polymers for the Treatment of Boiler Water
Patent:
5,271,847 →
Application:
07/957,326 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 16, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008274/0338 →
Notice of Grant of Security Interest
Jan 4, 2001
From: IONHERCULES INCORPORATED, A DELAWARE CORPORAT; HERCULES CREDIT, INC., DELAWARE CORPORATION; HERCULES FLAVOR, INC., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011410/0301 →
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 013616/0102 →