For the Inventor, By the Inventor

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Societe Lyonnaise Des Eaux, S.a.

USPTO Granted Patents = 2

Forward Citations = 13

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4 inventors (with patents filed for the assignee):

Jean-Michel Espenan (1 out of 6 patents)

Philippe Aptel (1 out of 4 patents)

Daniel Bourdiol (1 out of 1 patent)

4. Franck Saux (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5089187 - Process for producing a semi-permeable membrane by extrusion (1992-02-18),

2. 5046936 - Draw plate for the production of membranes of an organic material (1991-09-10),

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#914 in Paris

#5,075 in France

Societe Lyonnaise Des Eaux, S.a.

Forward Citations = 13

4 inventors:

Jean-Michel Espenan (1 out of 6 patents)

Philippe Aptel (1 out of 4 patents)

Daniel Bourdiol (1 out of 1 patent)

4. Franck Saux (1 out of 1 patent)

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