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BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01JCHEMICAL OR PHYSICAL PROCESSES B01J49/00Regeneration or reactivation of ion-exchangers Apparatus therefor

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B01J49/0047of membranes

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Patents Grantslast 30 patents

Information Patent Grant
Sulphur-containing and sulphonated aromatic perfluoroalkane monomer
- Patent number 9,126,907
- Issue date Sep 8, 2015
- Compagnie Generale des Etablissements Michelin
- Milan Fedurco
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering fluoropolymers
- Patent number 7,015,263
- Issue date Mar 21, 2006
- Asahi Glass Company, Limited
- Seisaku Kumai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Annular dual membrane permselective device and method
- Patent number 4,647,380
- Issue date Mar 3, 1987
- Purnendu K. Dasgupta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ion exchange process and apparatus
- Patent number 4,591,439
- Issue date May 27, 1986
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuously rejuvenated ion exchanger
- Patent number 4,500,430
- Issue date Feb 19, 1985
- Purnendu K. Dasgupta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of regenerating electrochemical properties of cation exchang...
- Patent number 4,115,240
- Issue date Sep 19, 1978
- Asahi Glass Company Ltd.
- Tatsuro Asawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
SULPHUR-CONTAINING AND SULPHONATED AROMATIC PERFLUOROALKANE MONOMER
- Publication number 20130197110
- Publication date Aug 1, 2013
- Michelin Recherche et Technique S.A.
- Milan Fedurco
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for recovering fluoropolymers
- Publication number 20020128335
- Publication date Sep 12, 2002
- ASAHI GLASS COMPANY, LIMITED
- Seisaku Kumai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL