发明授权
- 专利标题: 1-Amino-4-methoxybenzene-2,5-disulfonic acid
- 专利标题(中): 1-氨基-4-甲氧基苯-2,5-二磺酸
-
申请号: US647076申请日: 1976-01-07
-
公开(公告)号: US4089895A公开(公告)日: 1978-05-16
- 发明人: Horst Jager
- 申请人: Horst Jager
- 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: DT1813438 19681207
- 主分类号: C09B62/006
- IPC分类号: C09B62/006 ; C07C143/64 ; C09B29/22 ; D06P1/02
摘要:
New azo reactive dyestuffs corresponding to the general formula ##STR1## wherein R denotes optionally substituted lower alkyl, A the radical of an optionally substituted lower alkyl, R.sub.1 hydrogen or optionally substituted lower alkyl and Z a reactive group.They are useful for dyeing and printing materials containing hydroxyl groups or amide groups.
公开/授权文献
- US5086970A Envelope for safely protecting documents 公开/授权日:1992-02-11
信息查询