发明名称 |
1,2-DIOXIMES AND THEIR USE AS COPPER AND/OR NICKEL EXTRACTANTS |
摘要 |
<p>The invention relates to a process for the preparation of a 1,2-dioxime of the general formula A-C(=NOH)-C(=NOH)-R, wherein A represents an aromatic group and R a hydrocarbyl group or a hydrogen atom, which process comprises the reaction of hydroxylamine with one or more hydroxyiminoketones of formula A-C(=O)-C(=NOH)-R or of formula A-C(=NOH)-C(=NOH)-R in the presence of a nickel compound forming a complex with the 1,2-dioxime.</p> |
申请公布号 |
GB2016465(B) |
申请公布日期 |
1982.11.03 |
申请号 |
GB19790007909 |
申请日期 |
1979.03.06 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV |
发明人 |
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分类号 |
C07C251/32;B01J23/00;B01J31/00;C01G3/00;C07C67/00;C07C239/00;C07C249/08;C07C251/48;C22B3/30;C22B15/00;(IPC1-7):07C131/00;01G53/00;01G3/00;01D11/04 |
主分类号 |
C07C251/32 |
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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