IP Library Assignment 009912/0067
Patent Assignment
Reel/Frame 009912/0067

Assignment of Assignor's Interest

Recorded: 1999-04-12 Pages: 3
Assignor
W.R. GRACE & CO.-COMM.
Executed: 1998-11-01
Assignee
BETZDEARBORN INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19053
Covered Property (1)
Removal of Iron Fouling in Cooling Water Systems
Patent: 4,721,532 →
Application: 06/885,348 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Effective Date: May 25, 1988 Connecticut Aug 5, 1988
From: W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO); GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO)
To: W.R. GRACE & CO.-CONN.
Reel/Frame 004937/0001 →
Notice of Grant of Security Interest Dec 28, 2000
From: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011410/0872 →
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 013616/0007 →