| 发明名称 |
Polymers having more than one void |
| 摘要 |
Disclosed are a polymer in the form of particles more than 1 mu m in size which contain more than one void, an aqueous dispersion comprising this polymer, processes for the preparation thereof and the use thereof.
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| 申请公布号 |
US5989630(A) |
申请公布日期 |
1999.11.23 |
| 申请号 |
US19980035875 |
申请日期 |
1998.03.06 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
SCHLARB, BERNHARD;SCHWARZENBACH, ELMAR;HECKMANN, WALTER |
| 分类号 |
A61K9/16;C08J9/20;(IPC1-7):C08J9/20;C08F291/00;A61F9/50 |
主分类号 |
A61K9/16 |
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