Precoat filters

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CPC
B01J47/126

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01JCHEMICAL OR PHYSICAL PROCESSES B01J47/00Ion-exchange processes in general Apparatus therefor

Current Industry

B01J47/126Precoat filters

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Patents Grantslast 30 patents

Information Patent Grant
Filter sheet and process for purifying photoresist composition empl...
- Patent number 6,733,677
- Issue date May 11, 2004
- Cuno Incorporated
- Kenneth C. Hou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods of treating commercial grade preservatives to remove undesi...
- Patent number 6,669,848
- Issue date Dec 30, 2003
- Tillin, Inc.
- Dale F. Kuhn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing film forming resins for photoresist compositions
- Patent number 6,610,465
- Issue date Aug 26, 2003
- Clariant Finance (BVI) Limited
- M. Dalil Rahman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for purifying photoresist composition employing a filter sheet
- Patent number 6,576,139
- Issue date Jun 10, 2003
- Kenneth C. Hou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing acid sensitive liquid composition containing...
- Patent number 6,531,267
- Issue date Mar 11, 2003
- Clariant Finance (BVI) Limited
- Joseph E. Oberlander
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter sheet for purifying photoresist composition
- Patent number 6,103,122
- Issue date Aug 15, 2000
- Cuno Incorporated
- Kenneth C. Hou
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method to improve performance in precoat filter demineralizers when...
- Patent number 5,830,361
- Issue date Nov 3, 1998
- Roberto DeMartino
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Radioactive waste disposal cartridge
- Patent number 5,770,070
- Issue date Jun 23, 1998
- Genomyx Corporation
- Thomas E. Davis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Adsorbent filter bed with pliant and stiff members and method for r...
- Patent number 5,611,929
- Issue date Mar 18, 1997
- Graver Chemical
- Bruce L. Libutti
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Adsorbent filter bed with pliant and stiff members
- Patent number 5,585,171
- Issue date Dec 17, 1996
- Graver Chemical
- Bruce L. Libutti
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter element having an ion exchange yarn winding layer
- Patent number 5,552,056
- Issue date Sep 3, 1996
- Graver Chemical Company
- Joseph M. Ragosta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for removing suspended impurities
- Patent number 5,431,824
- Issue date Jul 11, 1995
- Ebara Corporation
- Hideo Kawazu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter and a method for separating charged particles from a liquid...
- Patent number 5,376,278
- Issue date Dec 27, 1994
- The Graver Company
- Eli Salem
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of treating water
- Patent number 5,354,476
- Issue date Oct 11, 1994
- Toray Industries, Inc.
- Nami Kubo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for treatment of aqueous solutions
- Patent number 5,346,624
- Issue date Sep 13, 1994
- The Graver Company
- Bruce L. Libutti
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuous filament yarn precoat septum
- Patent number 5,334,451
- Issue date Aug 2, 1994
- Memtec America Corporation
- Steven D. Barboza
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
Materials for removing suspended impurities and use thereof
- Patent number 5,308,876
- Issue date May 3, 1994
- Ebara Corporation
- Hideo Kawazu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for filtration with plural ultraviolet treatme...
- Patent number 5,236,595
- Issue date Aug 17, 1993
- International Environmental Systems, Inc., USA
- Lawrence K. Wang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Contamination removal system employing filtration and plural ultrav...
- Patent number 5,190,659
- Issue date Mar 2, 1993
- International Environmental Systems Inc.
- Lawrence K. Wang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of removing corrosion products in a water circulation system
- Patent number 5,132,019
- Issue date Jul 21, 1992
- ABB Atom Ab
- Peter Fejes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Condensate polishing system incorporating a membrane filter
- Patent number 5,126,052
- Issue date Jun 30, 1992
- The Graver Company
- Marvin Lane
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Spiral wrapped fluid treatment element
- Patent number 5,039,413
- Issue date Aug 13, 1991
- Pall Corporation
- Colin F. Harwood
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Compositions for purifying liquids
- Patent number 4,927,796
- Issue date May 22, 1990
- Epicor Incorporated
- Philip J. D'Angelo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Removing residual alkali metal ions from demineralized water
- Patent number 4,900,450
- Issue date Feb 13, 1990
- Culligan International Company
- Kenneth A. Schmidt
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Fluid filter element with an overlapped wrap
- Patent number 4,882,056
- Issue date Nov 21, 1989
- Pall Corporation
- Peter J. Degen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for purifying liquids
- Patent number 4,853,130
- Issue date Aug 1, 1989
- Epicor Incorporated
- Philip J. D'Angelo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of applying a layer of ion-exchange resin to a support matri...
- Patent number 4,786,527
- Issue date Nov 22, 1988
- AB Asea-Atom
- Peter Fejes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media and method of filtration
- Patent number 4,780,213
- Issue date Oct 25, 1988
- Idreco USA Ltd.
- Bruce J. Ogletree
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Purification of liquids with treated polyester fibers
- Patent number 4,747,955
- Issue date May 31, 1988
- The Graver Company
- Robert Kunin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filter aid materials bearing anion exchange resins
- Patent number 4,594,158
- Issue date Jun 10, 1986
- Rohm and Haas
- Berni P. Chong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing chemical filter
- Publication number 20050212174
- Publication date Sep 29, 2005
- NICHIAS CORPORATION
- Takashi Tanahashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods of treating commercial grade preservatives to remove undesi...
- Publication number 20030141247
- Publication date Jul 31, 2003
- Dale F. Kuhn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter sheet and process for purifying photoresist composition empl...
- Publication number 20030047507
- Publication date Mar 13, 2003
- Kenneth C. Hou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for producing film forming resins for photoresist compositions
- Publication number 20020197555
- Publication date Dec 26, 2002
- M. Dalil Rahman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for producing acid sensitive liquid composition containing...
- Publication number 20020187439
- Publication date Dec 12, 2002
- Joseph E. Oberlander
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Precoat filters

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Filter sheet and process for purifying photoresist composition empl...

Methods of treating commercial grade preservatives to remove undesi...

Process for producing film forming resins for photoresist compositions

Process for purifying photoresist composition employing a filter sheet

Process for producing acid sensitive liquid composition containing...

Filter sheet for purifying photoresist composition

Method to improve performance in precoat filter demineralizers when...

Radioactive waste disposal cartridge

Adsorbent filter bed with pliant and stiff members and method for r...

Adsorbent filter bed with pliant and stiff members

Filter element having an ion exchange yarn winding layer

Method for removing suspended impurities

Filter and a method for separating charged particles from a liquid...

Method of treating water

Method and apparatus for treatment of aqueous solutions

Continuous filament yarn precoat septum

Materials for removing suspended impurities and use thereof

Method and apparatus for filtration with plural ultraviolet treatme...

Contamination removal system employing filtration and plural ultrav...

Method of removing corrosion products in a water circulation system

Condensate polishing system incorporating a membrane filter

Spiral wrapped fluid treatment element

Compositions for purifying liquids

Removing residual alkali metal ions from demineralized water

Fluid filter element with an overlapped wrap

Method for purifying liquids

Method of applying a layer of ion-exchange resin to a support matri...

Filter media and method of filtration

Purification of liquids with treated polyester fibers

Filter aid materials bearing anion exchange resins

Patents Applicationslast 30 patents

Method for manufacturing chemical filter

Methods of treating commercial grade preservatives to remove undesi...

Filter sheet and process for purifying photoresist composition empl...

Process for producing film forming resins for photoresist compositions

Process for producing acid sensitive liquid composition containing...