Patent Assignment
Reel/Frame 006726/0252
Assignment of Assignor's Interest
Recorded: 1993-10-14
Pages: 3
Assignor
IMPERIAL CHEMICAL INDUSTRIES PLC
Executed: 1993-03-31
Assignee
NORTH WEST WATER GROUP PLC
DAWSON HOUSE, GREAT SANKEY, WARRINGTON, ENGLAND, WA5 3LW, UNITED KINGDOM
Covered Properties
(13)
Sulphonated Polyarylethersulphone Copolymers
Patent:
4,273,903 →
Application:
06/068,466 →
Sulphonated Polyaryletherketones
Patent:
4,268,650 →
Application:
06/068,467 →
Sulphonated Polyaryletherketones
Patent:
4,419,486 →
Application:
06/267,288 →
Membrane
Patent:
4,866,099 →
Application:
07/024,198 →
Films and Tapes
Patent:
4,919,996 →
Application:
07/167,160 →
Process for Making Microporous Products and the Products Thereof
Patent:
4,919,992 →
Application:
07/214,391 →
Substituted Aromatic Polymers
Patent:
5,008,352 →
Application:
07/307,563 →
Process of Preparing Polymer Sulphonyl Derivatives
Patent:
5,118,766 →
Application:
07/383,438 →
Process of Producing a Composite Membrane
Patent:
4,939,180 →
Application:
07/384,838 →
Aromatic Polymers
Patent:
5,049,642 →
Application:
07/454,438 →
Films and Tapes
Patent:
4,977,015 →
Application:
07/454,910 →
Polymer Solutions
Patent:
5,112,892 →
Application:
07/578,294 →
Membranes
Patent:
5,030,672 →
Application:
07/593,390 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 10, 1980
From: ROSE JOHN B.
To: IMPERIAL CHEMICAL INDUSTRIES LIMITED
Reel/Frame 003805/0253 →
Assignment of Assignors Interest.
Feb 6, 1981
From: ROSE JOHN B.
To: IMPERIAL CHEMICAL INDUSTRIES LIMITED
Reel/Frame 003827/0285 →
Assignment of Assignors Interest.
May 26, 1981
From: ROSE, JOHN B.
To: IMPERIAL CHEMICAL INDUSTRIES LIMITED, A CORP. OF GREAT BRITAIN
Reel/Frame 003890/0967 →
Change of Name
Jun 8, 1982
From: IMPERIAL CHEMICAL INDUSTRIES, LIMITED
To: IMPERIAL CHEMICAL INDUSTRIES PLC.
Reel/Frame 004003/0831 →
Assignment of Assignors Interest.
Mar 11, 1988
From: DEWAR, COLIN A.; ARTUS, KEVIN J.
To: IMPERIAL CHEMICAL INDUSTRIES PLC, A CORP. OF GREAT BRITAIN
Reel/Frame 004862/0366 →
Assignment of Assignors Interest.
Jul 1, 1988
From: BLUNDELL, DAVID J.; COGSWELL, FREDERIC N.; MEAKIN, PETER J.
To: IMPERIAL CHEMICAL INDUSTRIES PLC
Reel/Frame 004908/0654 →
Assignment of Assignors Interest.
Apr 5, 1989
From: HENDY, BRIAN N.
To: IMPERIAL CHEMICAL INDUSTRIES PLC, IMPERIAL CHEMICAL HOUSE, MILLBANK, LONDON, SW1P 3JF, A BRITISH COMPANY
Reel/Frame 005061/0248 →
Assignment of Assignors Interest.
Jul 24, 1989
From: HENDY, BRIAN N.; YOUNG, STELLA M.
To: IMPERIAL CHEMICAL INDUSTRIES PLC, IMPERIAL CHEMICAL HOUSE, MILLBANK, LONDON, SW1P 3JF A BRITISH COMPANY
Reel/Frame 005103/0909 →
Assignment of Assignors Interest.
Dec 21, 1989
From: HENDY, BRIAN N.
To: IMPERIAL CHEMICAL INDUSTRIES PLC
Reel/Frame 005207/0375 →
Assignment of Assignor's Interest
Aug 13, 2004
From: NORTH WEST WATER GROUP PLC
To: U.S. FILTER WASTE WATER GROUP, INC.
Reel/Frame 014981/0863 →
Assignment of Assignor's Interest
Aug 25, 2004
From: NORTH WEST WATER GROUP PLC
To: U. S. FILTER WASTEWATER GROUP, INC.
Reel/Frame 015035/0052 →