发明授权
US4083845A Polyazo dyestuffs having a dianisidine component, a diaminophenyl
sulfonic acid component, and a naphthol component
失效
具有二茴香胺组分的多偶氮染料,二氨基苯基磺酸组分和萘酚组分
- 专利标题: Polyazo dyestuffs having a dianisidine component, a diaminophenyl sulfonic acid component, and a naphthol component
- 专利标题(中): 具有二茴香胺组分的多偶氮染料,二氨基苯基磺酸组分和萘酚组分
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申请号: US653239申请日: 1976-01-28
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公开(公告)号: US4083845A公开(公告)日: 1978-04-11
- 发明人: Erich Kramer , Horst Nickel , Karl-Heinz Schundehutte
- 申请人: Erich Kramer , Horst Nickel , Karl-Heinz Schundehutte
- 申请人地址: DT Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DT Leverkusen
- 优先权: DT2504082 19750131
- 主分类号: C09B35/20
- IPC分类号: C09B35/20 ; C09B35/46 ; C09B35/36
摘要:
The invention relates to polyazo dyestuffs of the formula ##STR1## in which R denotes hydrogen, methyl or chlorine,X denotes methyl or ethyl andK represents a radical of the formula ##STR2## WHEREIN M DENOTES 1, 2 OR 3, OR REPRESENTS A RADICAL OF THE FORMULA ##STR3## wherein Y denotes hydrogen, chlorine, nitro, --SO.sub.3 H, alkyl, alkoxy, etc.The new dyestuffs are particularly suitable for dyeing and printing cellulose fibre materials, especially paper and cotton.
公开/授权文献
- US5733176A Polishing pad and method of use 公开/授权日:1998-03-31
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