Patent Assignment
Reel/Frame 006290/0557
Assignment of Assignors Interest.
Recorded: 1992-11-05
Pages: 2
Assignors
CAREY, WILLIAM S.
Executed: 1992-09-30
SOLOV, ANDREW
Executed: 1992-09-30
PEREZ, LIBARDO A.
Executed: 1992-09-30
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053-6783
Covered Property
(1)
Method for Inhibiting Silica and Silicate Deposition
Patent:
5,332,505 →
Application:
07/955,569 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Aug 18, 1997
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008660/0420 →
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 →