Patent Assignment
Reel/Frame 006276/0219
Assignment of Assignors Interest.
Recorded: 1992-09-25
Pages: 2
Assignors
ZIDOVEC, DAVOR F.
Executed: 1992-08-20
FISHER, ALEXANDER D.
Executed: 1992-08-20
DREISBACH, DAVID D.
Executed: 1992-08-20
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053-6783
Covered Property
(1)
Methods for Inhibiting Barium Sulfate Deposition Using a Poly(Amine) Compound or Its Salts in Papermaking Systems
Patent:
5,256,253 →
Application:
07/934,841 →
Related Assignments
(14)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 2, 1993
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006627/0492 →
Change of Name
Nov 18, 1996
From: BERT PAPERCHEM, INC.
To: BETZDEARBORN PAPER PROCESS GROUP, INC.
Reel/Frame 008222/0683 →
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 →
Notice of Grant of Security Interest
Dec 27, 2002
From: HERCULES INCORPORATED
To: CREDIT SUISSE FIRST BOSTON, AS COLLATERAL AGENT
Reel/Frame 013625/0384 →
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-013625-0384
Dec 1, 2008
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: HERCULES INCORPORATED
Reel/Frame 021901/0347 →
Security Agreement
Dec 3, 2008
From: ASHLAND LICENSING AND INTELLECTUAL PROPERTY...; AQUALON COMPANY; HERCULES INCORPORATED
To: BANK OF AMERICA, N.A. AS ADMINISTRATIVE AGENT
Reel/Frame 021924/0001 →
Release of Security Interest
Apr 13, 2010
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC; AQUALON COMPANY; HERCULES INCORPORATED
Reel/Frame 024218/0928 →
Security Agreement
Apr 14, 2010
From: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC; AQUALON COMPANY; HERCULES INCORPORATED
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 024225/0289 →
Release of Patent Security Agreement
Sep 15, 2011
From: BANK OF AMERICA, N.A.
To: ASHLAND, INC.; ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC; AQUALON COMPANY; HERCULES INCORPORATED
Reel/Frame 026927/0247 →
Security Agreement
Sep 16, 2011
From: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC; HERCULES INCORPORATED; AQUALON COMPANY; ISP INVESTMENT INC.
To: THE BANK OF NOVA SCOTIA, AS ADMINISTRATIVE AGENT
Reel/Frame 026918/0052 →
Release of Patent Security Agreement
Mar 18, 2013
From: THE BANK OF NOVA SCOTIA
To: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC; AQUALON COMPANY; ISP INVESTMENTS INC.; HERCULES INCORPORATED
Reel/Frame 030025/0320 →