发明名称 |
Mixtures of optical brighteners |
摘要 |
Mixtures of optical brighteners consisting of (a) 1 to 99 weight % of one or several compounds of the formula 1 <IMAGE> (1) (b) 99 to 1 weight % of one or several compounds of the formula 2 <IMAGE> (2) wherein n is 0 or 1, X is oxygen or sulfur, B is a group of the formulae <IMAGE> +TR <IMAGE> and the other substituents are defined a specified in the description.
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申请公布号 |
US4400294(A) |
申请公布日期 |
1983.08.23 |
申请号 |
US19820439946 |
申请日期 |
1982.11.08 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
MARTINI, THOMAS;ROESCH, GUENTER |
分类号 |
C09B57/00;C09B67/22;D06L3/12;(IPC1-7):C11D7/26 |
主分类号 |
C09B57/00 |
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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