发明名称 |
Process for reducing the average molecular weight of cellulose ethers |
摘要 |
A process for reducing the average molecular weight of a cellulose ether comprises the step of contacting a cellulose ether with an acid to partially depolymerize it to a lower molecular weight in a diluent comprising at least 50 weight percent of an organic hydroxylic compound having at least one hydroxy group and at least two carbon atoms.
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申请公布号 |
US8569479(B2) |
申请公布日期 |
2013.10.29 |
申请号 |
US20070304478 |
申请日期 |
2007.04.23 |
申请人 |
MALLON CHARLES B.;DOW GLOBAL TECHNOLOGIES, LLC |
发明人 |
MALLON CHARLES B. |
分类号 |
C08B11/20;A61K31/717;C08B11/00 |
主分类号 |
C08B11/20 |
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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