IP Library Assignment 006223/0831
Patent Assignment
Reel/Frame 006223/0831

Assignment of Assignors Interest.

Recorded: 1992-08-21 Pages: 2
Assignors
LING, TIEN-FENG
Executed: 1992-07-13
HANCOCK, THERESA D.
Executed: 1992-07-13
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property (1)
Ethoxylated Alcohol and Dialkylphenol Surfactants as Kraft Pulping Additives for Reject Reduction and Yield
Patent: 5,250,152 →
Application: 07/913,519 →
Related Assignments (12)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 7, 1993
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006516/0567 →
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 →
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 →
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 →
Patent Termination Cs-013608-0107 Dec 3, 2008
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: HERCULES INCORPORATED
Reel/Frame 021912/0620 →
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 →