Assignee
LYONNAISE DES EAUX S A SOC
FR·2 granted patents·35 citations·filing 1989–1989
Top patents by PatentIndex Score
2 records- 0167US5089187AProcess for producing a semi-permeable membrane by extrusionLYONNAISE DES EAUX S A SOC·Filed 1989·Granted Feb 18, 1992·16 cites·8 claims
- 0249US5046936ADraw plate for the production of membranes of an organic materialLYONNAISE DES EAUX S A SOC·Filed 1989·Granted Sep 10, 1991·19 cites·11 claims
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