发明名称 |
Refining of papermaking pulp with combination of freeness-improving additives |
摘要 |
Refining of papermaking pulp is facilitated by adding 0.1-5.5 kg/tonne of a cellulolytic enzyme and 1-1000 ppm of a nonionic or cationic surfactant to the pulp. (No Edit)
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申请公布号 |
FR2775990(A1) |
申请公布日期 |
1999.09.17 |
申请号 |
FR19990002638 |
申请日期 |
1999.03.03 |
申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
SARKAR JAWED M |
分类号 |
D21C5/00;D21C9/00;(IPC1-7):D21H11/18;D21H11/20;D21H21/24 |
主分类号 |
D21C5/00 |
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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