Patent Assignment
Reel/Frame 005159/0556
Change of Name Cardiff Eff. 10/01/87.
Recorded: 1989-04-10
Pages: 3
Assignor
DEARBORN CHEMICALS LIMITED
Executed: 1987-10-01
Assignee
Covered Properties
(8)
Treatment of Aqueous Systems
Patent:
4,557,896 →
Application:
06/271,872 →
Treatment of Aqueous Systems
Patent:
4,432,879 →
Application:
06/297,525 →
Biocide
Patent:
4,539,071 →
Application:
06/486,007 →
Process for Dispersing Particulate Material in Aqueous Systems
Patent:
4,559,156 →
Application:
06/631,095 →
Treatment of Aqueous Systems
Patent:
4,566,972 →
Application:
06/691,724 →
Prevention of Corrosion
Patent:
4,689,201 →
Application:
06/708,303 →
Method of Inhibiting Corrosion in Aqueous Systems
Patent:
4,692,316 →
Application:
06/713,934 →
Method of Inhibiting Corrosion in Aqueous Systems
Patent:
4,692,315 →
Application:
06/724,229 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 29, 1981
From: BROCKLEBANK, PHILIP; BENNISON, JOHN J.
To: DEARBORN CHEMICALS LTD., A BRITISH COMPANY
Reel/Frame 003926/0357 →
Assignment of Assignors Interest.
Apr 17, 1985
From: GREAVES, BRIAN; INGHAM, PAUL
To: DEARBORN CHEMICALS LIMITED, A BRITISH COMPANY
Reel/Frame 004396/0509 →
Assignment of Assignors Interest.
May 1, 1985
From: CLIFFORD, RICHARD P.; BIRCHALL, GERRARD A.
To: DEARBORN CHEMICALS LIMITED A BRITISH COMPANY
Reel/Frame 004394/0544 →
Assignment of Assignor's Interest
Jul 24, 1997
From: W. R. GRACE & CO. - CONN.; GRACE DEARBORN LIMITED; GRACE DEARBORN AB
To: BETZDEARBORN INC.
Reel/Frame 008604/0960 →
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 →
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 →
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 →