IP Library Assignment 006706/0326
Patent Assignment
Reel/Frame 006706/0326

Assignment of Assignor's Interest

Recorded: 1993-09-14 Pages: 2
Assignors
LIAO, WEN P.
Executed: 1993-08-02
PURNELL, DEBORAH L.
Executed: 1993-08-02
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053-6783
Covered Property (1)
Water Soluble Graft Copolymers for Paint Spray Booth Sludge Dewatering
Patent: 5,385,676 →
Application: 08/100,903 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 5, 1998
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC,
Reel/Frame 008975/0942 →
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 →