Patent Assignment
Reel/Frame 008604/0960
Assignment of Assignor's Interest
Recorded: 1997-07-24
Pages: 15
Assignors
W. R. GRACE & CO. - CONN.
Executed: 1996-06-28
GRACE DEARBORN LIMITED
Executed: 1996-06-28
GRACE DEARBORN AB
Executed: 1996-06-28
Assignee
BETZDEARBORN INC.
4636 SOMERTON ROAD, TREVOSE, PENNSYLVANIA, 19005
Covered Properties
(5)
Wet Strength Material
Patent:
4,566,943 →
Application:
06/673,837 →
Retention and Drainage Aid
Patent:
4,565,604 →
Application:
06/687,682 →
Treatment of Aqueous Systems
Patent:
4,566,972 →
Application:
06/691,724 →
Water Soluble Thermosetting Resin, Process for Its Production, Paper Sizing Composition and Paper Sizing Process
Patent:
4,895,621 →
Application:
06/932,117 →
Method for Controlling Overspray in Paint Spray Booths
Patent:
4,904,393 →
Application:
07/199,969 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 24, 1988
From: HASSLER, THORD G. G.
To: W. R. GRACE AB, A CORP. OF SWEDEN
Reel/Frame 004838/0136 →
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 →
Change of Name Cardiff Eff. 10/01/87.
Apr 10, 1989
From: DEARBORN CHEMICALS LIMITED
To: GRACE DEARBORN LIMITED
Reel/Frame 005159/0556 →
Assignment of Assignors Interest.
Sep 14, 1989
From: MITCHELL, DAVID B.; CURRAN, THOMAS P.
To: W. R. GRACE & CO.-CONN.
Reel/Frame 005139/0477 →
Change of Name
Jul 1, 1996
From: W.R. GRACE AB
To: GRACE DEARBORN AB
Reel/Frame 008006/0971 →
Change of Name
Jul 10, 1996
From: W.R. GRACE AB
To: GRACE DEARBORN AB
Reel/Frame 008031/0221 →
Notice of Grant of Security Interest
Jan 4, 2001
From: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011410/0395 →
Assignment of Assignor's Interest
Jun 14, 2002
From: BETZDEARBORN, INC.
To: HERCULES INCORPORATED
Reel/Frame 012983/0754 →
Notice of Grant of Security Interest
Dec 27, 2002
From: HERCULES INCORPORATED
To: CREDIT SUISSE FIRST BOSTON, AS COLLATERAL AGENT
Reel/Frame 013599/0400 →
Release of Security Interest
May 16, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013653/0919 →
Patent Termination Cs-013599-0400
Dec 1, 2008
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: HERCULES INCORPORATED
Reel/Frame 021901/0647 →