Patent Assignment
Reel/Frame 006792/0980
Assignment of Assignor's Interest
Recorded: 1993-12-07
Pages: 2
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053-6783
Covered Property
(1)
Methods for Dispersing Sulfur in Aqueous Systems
Patent:
5,391,781 →
Application:
08/137,646 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 9, 1998
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 009038/0251 →
Notice of Grant of Security Interest
Jan 5, 2001
From: HERCULES INCORPORATED, A DELAWARE COPORATION; HRECULES CREDIT, INC., A DELAWARE CORPORATION; HECULES FLAVOR, INC., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011410/0554 →
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 013599/0543 →