发明公开
- 专利标题: BISAZOFARBSTOFFE AUF DER BASIS VON HYDROXYNAPHTHALINCARBONSÄURE
- 专利标题(英): Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid
- 专利标题(中): 双偶氮 - 基于羟基
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申请号: EP01982284.0申请日: 2001-09-13
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公开(公告)号: EP1317512A1公开(公告)日: 2003-06-11
- 发明人: SCHRÖDER, Gunter-Rudolf , EBERT, Sophia , ETZBACH, Karl-Heinz , TRESCH, Rainer , SENS, Rüdiger
- 申请人: BASF AKTIENGESELLSCHAFT
- 申请人地址: 67056 Ludwigshafen DE
- 专利权人: BASF AKTIENGESELLSCHAFT
- 当前专利权人: BASF AKTIENGESELLSCHAFT
- 当前专利权人地址: 67056 Ludwigshafen DE
- 代理机构: Kinzebach, Werner, Dr.
- 优先权: DE10045430 20000914
- 国际公布: WO02022742 20020321
- 主分类号: C09B35/033
- IPC分类号: C09B35/033 ; C09B35/215 ; C09B44/06
摘要:
The invention relates to bisazo compounds of formula (Ia) or (Ib) wherein R1 represents hydrogen or methyl; the groups X independently represent -CH¿2?CH2- or -CH2CH2CH2-; R?2, R3, R4¿ independently represent hydrogen or methyl; A represents an anion; and n represents the valency of A. The invention also relates to the use of said bisazo compounds for dyeing, especially paper, and to dyes containing bisazo compounds.
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