发明名称 |
Method for producing polyvinylacetals |
摘要 |
Polyvinyl acetals are obtained in a cost-effective and environmentally advantageous manner by employing as at least a portion of the aqueous acetalization medium, the mother liquor from a previous acetalization reaction. |
申请公布号 |
US7351765(B2) |
申请公布日期 |
2008.04.01 |
申请号 |
US20040513691 |
申请日期 |
2004.11.08 |
申请人 |
WACKER POLYMER SYSTEMS GMBH & CO. KG |
发明人 |
STARK KURT;TSCHIRNER PETER;EICHEL KARL-HEINZ;FRIEDL GEORG;EICHBERGER FRANZ |
分类号 |
C08F8/00;C08F8/48;C08F8/28 |
主分类号 |
C08F8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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