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发明名称
PREPARATION DE MEMBRANES ANISOTROPES SEMI-PERMEABLES EN POLYARYLETHER/SULFONES
摘要
申请公布号
BE783836(A1)
申请公布日期
1972.11.23
申请号
BE19720783836
申请日期
1972.05.23
申请人
RHONE-POULENC S.A., 22 AVENUE MONTAIGNE, PARIS 8E, (FRANCE),
发明人
LA SOCIETE DES USINES CHIMIQUES RHONE-POULENC.
分类号
B01D71/68;C08G75/23;C08J5/18;C08L81/06;(IPC1-7):B01J/;C08G/
主分类号
B01D71/68
代理机构
代理人
主权项
地址
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