发明名称 |
Process for preparing hydrazine hydrate |
摘要 |
Hydrazine hydrate is prepared by charging an aqueous or ketone solution of ketazine or hydrazone into a ketone recovering means, supplying the resultant solution to at least two hydrolysis reactors one after another, supplying the resultant hydrolyzed solution to an upper portion of a means for recovering hydrazine hydrate, and thereafter recovering hydrazine hydrate as an end product. |
申请公布号 |
US4036936(A) |
申请公布日期 |
1977.07.19 |
申请号 |
US19750604956 |
申请日期 |
1975.08.15 |
申请人 |
OTSUKA KAGAKU YAKUHIN KABUSHIKI KAISHA |
发明人 |
YAMAGUCHI, HIDEO;KUME, HIDETOSHI;SHIBUTA, OSAMU |
分类号 |
C01B21/16;C07C49/04;(IPC1-7):C01B21/16 |
主分类号 |
C01B21/16 |
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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