Patent Assignment
Reel/Frame 006429/0770
Assignment of Assignors Interest.
Recorded: 1993-02-16
Pages: 2
Assignors
HARRINGTON, JOHN C. IV
Executed: 1992-12-16
CHEN, JEN-CHI
Executed: 1992-12-16
CHEN, FU
Executed: 1992-12-16
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053-6783
Covered Property
(1)
Quaternized Polyvinylamines for Deinking Loop Clarification
Patent:
5,269,942 →
Application:
08/000,424 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 12, 1993
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006766/0498 →
Change of Name
Dec 16, 1996
From: BETZ PAPERCHEM, INC.
To: BETZDEARBORN PAPER PROCESS GROUP INC.
Reel/Frame 008274/0312 →
Notice of Grant of Security Interest
Dec 26, 2000
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 011410/0444 →
Release of Security Interest
Jan 2, 2002
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013663/0636 →
Assignment of Assignor's Interest
Jun 14, 2002
From: BETZDEARBORN, INC.
To: HERCULES INCORPORATED
Reel/Frame 012983/0754 →
Security Interest
Dec 27, 2002
From: HERCULES INCORPORATED
To: CREDIT SUISSE FIRST BOSTON, AS COLLATERAL AGENT
Reel/Frame 013608/0107 →
Release of Security Interest
May 15, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013669/0427 →
Patent Termination Cs-013608-0107
Dec 3, 2008
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: HERCULES INCORPORATED
Reel/Frame 021912/0620 →