| 发明名称 |
VERFAHREN ZUR HERSTELLUNG VON VERNETZTEN MALEINSÄUREANHYDRID-COPOLYMEREN |
| 摘要 |
A process for preparing a cross-linked alkyl vinyl ether/maleic anhydride copolymer having improved linear viscoelastic properties desired in oral care preparations, wherein the cross-linking of an alkyl vinyl ether/maleic anhydride copolymer with a polyol compound is carried out at a temperature of from about 50 DEG to about 90 DEG C. and the cross-linked product is recovered. |
| 申请公布号 |
DE69730519(T2) |
申请公布日期 |
2005.09.29 |
| 申请号 |
DE1997630519T |
申请日期 |
1997.12.15 |
| 申请人 |
COLGATE-PALMOLIVE CO., NEW YORK |
发明人 |
HASSAN, MAHMOUD;DIXIT, NAGARAJ;BENTLEY, MARCUS;VISCIO, BENEDICT |
| 分类号 |
A61K8/00;A61Q11/00;C08F8/12;C08F8/14;C08J3/075;(IPC1-7):C08F8/14;A61K7/16 |
主分类号 |
A61K8/00 |
| 代理机构 |
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