发明名称 |
Process for preparing vinylpyrrolidone polymer powder |
摘要 |
The present invention provides a process for preparing vinylpyrrolidone polymer powder, which has high bulk density and favorable powder flowability and can be handled with ease. Specifically, the present invention relates to a process for preparing vinylpyrrolidone polymer powder, which comprises spraying an aqueous solution of a vinylpyrrolidone polymer into a drying tower using a disc atomizer and then drying.
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申请公布号 |
US6829843(B2) |
申请公布日期 |
2004.12.14 |
申请号 |
US20040754862 |
申请日期 |
2004.01.08 |
申请人 |
DAI-ICHI KOGYO SEIYAKU CO., LTD. |
发明人 |
FUJISE KEIICHI |
分类号 |
C08F26/10;C08F6/12;C08J3/12;(IPC1-7):F26B3/12 |
主分类号 |
C08F26/10 |
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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