Patent Assignment
Reel/Frame 004112/0111
Assignment of Assignors Interest.
Recorded: 1983-03-28
Pages: 1
Assignor
NIU, JOSEPH H. Y.
Executed: 1983-03-24
Assignee
BETZ LABORATORIES, INC., A CORP. OF PA.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA
Covered Property
(1)
Method and Composition for Neutralizing Acidic Components in Petroleum Refining Units
Patent:
4,430,196 →
Application:
06/479,386 →
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 →