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Polymer and porous structure
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Patent number 5,847,075
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Issue date Dec 8, 1998
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North West Water Group PLC
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Howard Matthew Colquhoun
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polymer porous structure and process
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Patent number 5,698,105
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Issue date Dec 16, 1997
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North West Water Group PLC
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Howard Matthew Colquhoun
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Apparatus for removing piping from the ground
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Patent number 5,653,554
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Issue date Aug 5, 1997
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North West Water Group PLC
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Nicholas Jason John Preston
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Composite membranes
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Patent number 5,605,628
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Issue date Feb 25, 1997
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North West Water Group PLC
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Alexander P. Davidson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
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Composite membranes
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Patent number 5,376,442
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Issue date Dec 27, 1994
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North West Water Group PLC
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Alexander P. Davidson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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74510230 - CERAMESH
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Serial number 74510230
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Filing date Apr 7, 1994
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North West Water Group Plc
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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74512227 - ULTIMEM
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Serial number 74512227
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Registration number 1994368
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Filing date Apr 7, 1994
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North West Water Group PLC
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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74519327 - OPTIMEM
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Serial number 74519327
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Registration number 1992333
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Filing date Apr 7, 1994
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North West Water Group Plc
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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74474548
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Serial number 74474548
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Registration number 1899243
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Filing date Dec 23, 1993
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North West Water Group PLC
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40 - Treatment of materials
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74471897 - NORTH WEST WATER
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Serial number 74471897
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Registration number 1880924
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Filing date Dec 17, 1993
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North West Water Group PLC
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40 - Treatment of materials
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74466769 - ACUMEM
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Serial number 74466769
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Registration number 1957023
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Filing date Dec 1, 1993
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North West Water Group PLC
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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74261696 - ULTIMEM
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Serial number 74261696
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Registration number 1905635
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Filing date Apr 2, 1992
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ICI CHEMICALS & POLYMERS LIMITED
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17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
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74260579 - OPTIMEM
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Serial number 74260579
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Registration number 1913320
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Filing date Mar 30, 1992
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ICI CHEMICALS & POLYMERS LIMITED
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17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes