Patent Assignment
Reel/Frame 007160/0522
Assignment of Assignor's Interest
Recorded: 1994-10-06
Pages: 3
Assignors
POLIZZOTTI, DAVID M.
Executed: 1994-09-01
LIAO, WEN P.
Executed: 1994-09-01
ROE, DONALD C.
Executed: 1994-09-01
Assignee
BETZ LABORATORIES, INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053-6783
Covered Property
(1)
Cationic Graft Polymer Agglomeration Agents for Mineral Bearing Ores
Patent:
5,512,636 →
Application:
08/301,454 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Notice of Grant of 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 011400/0401 →
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 013791/0209 →