Patent Assignment
Reel/Frame 006162/0007
Assignment of Assignors Interest.
Recorded: 1992-06-29
Pages: 2
Assignor
YORKE, WILLIAM J.
Executed: 1992-06-02
Assignee
BETZ LABORATORIES A CORP. OF PENNSYLVANIA
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property
(1)
Methods Fdor Inhibiting the Corrosion an Deposition of Iron and Iron -Containing Metals in Aqueous Systems
Patent:
5,264,155 →
Application:
07/893,183 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Nov 18, 1996
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008222/0670 →
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 →