IP Library Assignment 005186/0574
Patent Assignment
Reel/Frame 005186/0574

Assignment of Assignors Interest.

Recorded: 1989-10-01 Pages: 2
Assignors
WHITEKETTLE, WILSON K.
Executed: 1989-10-26
LYONS, LARRY A.
Executed: 1989-11-09
Assignee
BETZ LABORATORIES, INC., A CORP. OF PA
4636 SOMERTON RD., TREVOSE, PENNSYLVANIA, 19047
Covered Property (1)
Method for Controlling Macroinvertebrates Utilizing Decylthioethylamine
Patent: 4,970,239 →
Application: 07/433,803 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Dec 15, 1997
From: BETZ LABORATORIES, INC.
To: BETZDEARBORN INC.
Reel/Frame 008848/0312 →
Notice of Grant of Security Interest Jan 2, 2001
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 011590/0943 →
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 013669/0635 →