发明授权
- 专利标题: Formazan dyestuffs
- 专利标题(中): FORMAZAN DYESTUFFS
-
申请号: US653834申请日: 1991-02-11
-
公开(公告)号: US5220057A公开(公告)日: 1993-06-15
- 发明人: Thomas Eizenhofer , Karl-Josef Herd , Hermann Henk , Rolf Brockmann , Frank-Michael Stohr , Karl-Heinz Schundehutte
- 申请人: Thomas Eizenhofer , Karl-Josef Herd , Hermann Henk , Rolf Brockmann , Frank-Michael Stohr , Karl-Heinz Schundehutte
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4005122 19900217
- 主分类号: C09B62/20
- IPC分类号: C09B62/20 ; D06P1/382 ; D06P3/24 ; D06P3/66
摘要:
Dyestuffs of the formula ##STR1## in which the substituents have the meanings given in the description are suitable for the dyeing and printing of hydroxyl- and amido-containing materials.
公开/授权文献
信息查询