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Inventor
LOEFFELMANN WALTER
DE
2 patents
Patents
2 patents
US5290448A
Mar 1, 1994
Polyacrylonitrile membrane
AKZO NV
26 citations
86
US4436839A
Mar 13, 1984
Process for preparing polycarbonate-polyether-blockcopolymers
AKZO NV
17 citations
69