| 发明名称 |
Methine dyes for paper and amonically-modified fibers |
| 摘要 |
Methine dyes of the general formula <IMAGE> where the groups A are identical or different aryl or hetaryl, A(-) is an anion, R is hydrogen, methyl or ethyl and X is a bridge member, and the methine groups are in the alpha - or gamma -position. The compounds are preferably used for dyeing paper.
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| 申请公布号 |
US4256458(A) |
申请公布日期 |
1981.03.17 |
| 申请号 |
US19790050527 |
申请日期 |
1979.06.21 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
DEGEN, HANS-JUERGEN;FEICHTMAYR, FRANZ;GRYCHTOL, KLAUS |
| 分类号 |
C09B23/00;C09B23/10;C09B23/14;D06P1/40;D21H19/10;(IPC1-7):D21H1/46;C07D213/04 |
主分类号 |
C09B23/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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