IP Library Assignment 005712/0005
Patent Assignment
Reel/Frame 005712/0005

Assignment of Assignors Interest.

Recorded: 1991-05-24 Pages: 2
Assignors
RICHMANN, SANDRA K.
Executed: 1991-04-24
LETSCHER, MARY B.
Executed: 1991-04-24
Assignee
BETZ LABORATORIES, INC. A CORP. OF PENNSYLVANIA
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property (1)
Process and Composition for Deinking Dry Toner Electrostatic Printed Wastepaper
Patent: 5,141,598 →
Application: 07/691,210 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 26, 1992
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006125/0754 →
Notice of Grant Security Interest Jan 2, 2001
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERCULES CREDIT, INC., A DELAWARE CORPORATION; HERCULES FLAVOR, IN., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011436/0381 →
Assignment of Assignor's Interest Jun 14, 2002
From: BETZDEARBORN, INC.
To: HERCULES INCORPORATED
Reel/Frame 012983/0754 →
Security Interest Dec 27, 2002
From: HERCULES INCORPORATED
To: CREDIT SUISSE FIRST BOSTON, AS COLLATERAL AGENT
Reel/Frame 013608/0107 →
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 013625/0282 →
Patent Termination Cs-013608-0107 Dec 3, 2008
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: HERCULES INCORPORATED
Reel/Frame 021912/0620 →