发明名称 |
AN ORGANIC COMPOUND FOR SEALING ANODICALLY OXIDISED ALUMINIUM SURFACES |
摘要 |
Anodically oxidized aluminium or aluminium alloy surfaces are sealed in the presence of an anti-smut agent which is a colorless, light-fast, organic compound having a molecular weight of at least 350 and containing (i) at least one sulphonic acid group; and (ii) a carboxy group and a hydroxy group both aromatically bound and located ortho- to each other on the same aromatic ring, preferably a benzene ring. |
申请公布号 |
ZA8305782(B) |
申请公布日期 |
1985.03.27 |
申请号 |
ZA19830005782 |
申请日期 |
1983.08.05 |
申请人 |
SANDOZ LTD. |
发明人 |
HANS BOHLER;ERNST WEISSKOPF |
分类号 |
C07C67/00;C07C301/00;C07C303/38;C07C309/51;C07C309/61;C07C311/29;C07D251/22;C07D251/44;C07D251/46;C07D251/50;C07D251/52;C07D251/70;C07D253/06;C07F9/38;C07F9/40;C09K3/10;C23C8/18;C25D11/18;C25D11/24 |
主分类号 |
C07C67/00 |
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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