Patent Assignment
Reel/Frame 003927/0783
Assignment of Assignors Interest.
Recorded: 1981-10-13
Pages: 1
Assignor
HALDEMAN, DAVID R.
Executed: 1981-08-28
Assignee
BETZ LABORATORIES, INC., A CORP. OF PA.
4636 SOMERTON RD., TREVOSE, PENNSYLVANIA, 19047
Covered Property
(1)
Use of Very High Charge Cationic Polymers in Biological Sludge Dewatering
Patent:
4,396,513 →
Application:
06/300,145 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jan 2, 2001
From: HERCULES FLAVOR, INC., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION; AQUALON COMPANY, A DELAWARE PARTNERSHIP; HERCULES FINANCE COMPANY, A DELAWARE PARTNERSHIP
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011436/0313 →
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 013608/0498 →