Patent Assignment
Reel/Frame 009991/0717
Assignment of Assignor's Interest
Recorded: 1999-06-01
Pages: 3
Assignor
CHENG, LONGCHUN
Executed: 1999-05-03
Assignee
BETZDEARBORN INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property
(1)
Inhibition of Corrosion in Aqueous Systems
Patent:
6,379,587 →
Application:
09/304,181 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 24, 2000
From: CHENG, LONGCHUN
To: BETZDEARBORN INC.
Reel/Frame 010990/0209 →
Notice of Grant of Security Interest
Jan 5, 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.
Reel/Frame 011452/0592 →
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 013649/0479 →