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Jean-Michel Espenan
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Toulouse, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Copolymer having amphiphilic blocks, and use thereof for manufactur...
Patent number
9,873,095
Issue date
Jan 23, 2018
POLYMEM
Olivier Lorain
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water filtration module and method for the manufacture and use thereof
Patent number
9,604,855
Issue date
Mar 28, 2017
POLYEM
Jean-Michel Espenan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water filtering module with hollow fibers
Patent number
6,911,147
Issue date
Jun 28, 2005
Polymem
Jean-Michel Espenan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and device for membrane filtering of water
Patent number
6,838,003
Issue date
Jan 4, 2005
S.A. Polymem
Jean-Michel Espenan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water treatment installation
Patent number
6,349,835
Issue date
Feb 26, 2002
Polymem
Franc Saux
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of operating and monitoring a group of filter membrane modul...
Patent number
6,001,254
Issue date
Dec 14, 1999
Aquasource
Jean-Michel Espenan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for extruding semi-permeable membrane having separate hollo...
Patent number
5,171,493
Issue date
Dec 15, 1992
Societe Lyonnaise des Eaux (Societe Anonyme)
Philippe Aptel
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing a semi-permeable membrane by extrusion
Patent number
5,089,187
Issue date
Feb 18, 1992
Societe Lyonnaise des Eaux, S.A.
Philippe Aptel
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Housing for fiber-bundle filter modules
Patent number
5,069,353
Issue date
Dec 3, 1991
Lyonnaise des Eaux
Jean-Michel Espenan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing a unit assembly of filter membranes, a mold...
Patent number
5,006,229
Issue date
Apr 9, 1991
Lyonnaise des Eaux
Jean-Michel Espenan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter module including a baffle for protecting a bundle of filter...
Patent number
4,975,187
Issue date
Dec 4, 1990
Lyonnaise des Eaux
Jean-Michel Espenan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hollow fibers production method thereof and their applications part...
Patent number
4,882,223
Issue date
Nov 21, 1989
Institut National de Recherche Chimique Appliquee (IRCHA)
Philippe Aptel
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
Information
Patent Application
WATER FILTRATION MODULE INCORPORATING HOLLOW-FIBER FILTRATION ELEMENTS
Publication number
20200384418
Publication date
Dec 10, 2020
POLYMEM
JEAN-MICHEL ESPENAN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
COPOLYMER HAVING AMPHIPHILIC BLOCKS, AND USE THEREOF FOR MANUFACTUR...
Publication number
20160030896
Publication date
Feb 4, 2016
POLYMEN
Olivier LORAIN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
WATER FILTRATION MODULE AND METHOD FOR THE MANUFACTURE AND USE THEREOF
Publication number
20130098821
Publication date
Apr 25, 2013
POLYMEM
Jean-Michel Espenan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Water filtering module with hollow fibers
Publication number
20020189999
Publication date
Dec 19, 2002
Jean-Michel Espenan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL