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Patents Grantslast 30 patents

Information Patent Grant
Porous monolithic support for filtration membranes
- Patent number 5,895,572
- Issue date Apr 20, 1999
- TECHSEP
- Jean-Pierre Joulin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Monolithic ceramic supports for filtration membranes
- Patent number 5,415,775
- Issue date May 16, 1995
- TECHSEP
- Roger Castillon
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sealing ring for a bundle of inorganic membranes in a filtering module
- Patent number 5,366,624
- Issue date Nov 22, 1994
- TECHSEP
- Pierre Bathelet
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite nanofiltration membrane
- Patent number 5,266,207
- Issue date Nov 30, 1993
- Techsep
- Anne Boye
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Filtration of liquid media under conditions of non-steady tangentia...
- Patent number 5,240,612
- Issue date Aug 31, 1993
- Techsep
- Andre Grangeon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL