Patent Assignment
Reel/Frame 005797/0772
Assignment of Assignors Interest.
Recorded: 1991-08-12
Pages: 2
Assignor
KREH, ROBERT P.
Executed: 1990-08-28
Assignee
W. R. GRACE & CO.-CONN., A CORPORATION OF CT
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Method of Inhibiting Corrosion and Scale Formation in Aqueous Systems
Patent:
5,073,339 →
Application:
07/571,063 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 1, 1999
From: W.R. GRACE & CO.-CONN.
To: BETZDEARBORN INC.
Reel/Frame 009737/0365 →
Notice of Grant of Security Interest
Dec 28, 2000
From: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011410/0872 →
Release of Security Interest
Jan 2, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013616/0007 →