发明名称 |
COMPOSIZIONE SBIANCANTE A BASE DISODIO IDROSOLFITO |
摘要 |
A bleaching composition comprises sodium hydrosulfite, hexamethylenetetramine and a water soluble sulfite such as sodium sulfite or ammonium sulfite, or further a polyphosphate such as a pyrophosphate or a tripolyphosphate and is used in bleaching pulp with a good bleaching effect with no substantial hydrogen sulfide generation. |
申请公布号 |
IT8067384(D0) |
申请公布日期 |
1980.03.12 |
申请号 |
IT19800067384 |
申请日期 |
1980.03.12 |
申请人 |
MITSUBISHI GAS CHEMICAL COMPANY INC |
发明人 |
TAKAAKI YAMAGUCHI |
分类号 |
C01B17/66;C11D7/54;D06L3/10;D21C9/10 |
主分类号 |
C01B17/66 |
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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