Patent Assignment
Reel/Frame 008423/0851
Assignment of Assignor's Interest
Recorded: 1997-03-31
Pages: 8
Assignor
W.R. GRACE & CO.-CONN.
Executed: 1996-11-01
Assignee
BETZDEARBORN INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Properties
(2)
Paint Spray Booth Organic Detackification Treatment
Patent:
5,298,186 →
Application:
07/944,136 →
Scale Control in Aqueous Systems
Patent:
5,288,410 →
Application:
08/039,714 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 10, 1994
From: MITCHELL, DAVID B.; CURRAN, THOMAS P.; TAI, WUN T.; ENGSTROM, GARY C.
To: W. R. GRACE & CO.-CONN.
Reel/Frame 006823/0480 →
Security Interest
Dec 28, 2000
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERCULES CREDIT, INC., A DELAWARE CORPORATION; HERCULES FLAVOR, INC., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011400/0373 →
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 013599/0256 →