Patent Assignment
Reel/Frame 005641/0820
Assignment of Assignors Interest.
Recorded: 1991-03-13
Pages: 4
Assignors
ROLING, PAUL V.
Executed: 1991-03-05
FORESTER, DAVID R.
Executed: 1991-03-05
WRIGHT, BRUCE E.
Executed: 1991-03-05
Assignee
BETZ LABORATORIES, INC.
SOMERTON ROAD, A CORP OF COMMONWEALTH OF PA, TREVOSE, PENNSYLVANIA, 19047
Covered Property
(1)
Phosphorus Derivatives of Polyalkenylsuccinimides and Methods of Use Thereof
Patent:
5,139,643 →
Application:
07/668,548 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Notice of Grant of Security Interest
Dec 26, 2000
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERECULES 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 011400/0719 →
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 013691/0642 →