Patent Assignment
Reel/Frame 008255/0078
Change of Name
Recorded: 1996-12-17
Pages: 12
Assignor
BETZ LABORATORIES, INC.
Executed: 1996-06-21
Assignee
BETZDEARBORN INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Properties
(4)
Refinery Vessel Cleaning Treatment
Patent:
5,611,869 →
Application:
08/548,215 →
High Temperature Corrosion Inhibitor
Patent:
5,611,911 →
Application:
08/587,439 →
Methods and Compositions for Pretreatment of Metals
Patent:
5,612,421 →
Application:
08/611,152 →
Methods for Inhibiting the Production of Slime in Aqueous Systems
Patent:
5,611,939 →
Application:
08/657,122 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 18, 1996
From: HART, PAUL R.
To: BETZ LABORATORIES, INC.
Reel/Frame 007782/0719 →
Assignment of Assignor's Interest
Aug 13, 1996
From: MENA, ROY HERNANDEZ; FRIEND, PATRIC L.; SUJDAK, RICHARD J.
To: BETZ LABORATORIES, INC.
Reel/Frame 008091/0213 →
Notice of Grant of Security Interest
Jan 5, 2001
From: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
To: BANK OFAMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011425/0001 →
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 013599/0263 →