发明授权
- 专利标题: Naphthostyril dyestuffs
- 专利标题(中): 萘吡啶染料
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申请号: US772324申请日: 1977-02-25
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公开(公告)号: US4201713A公开(公告)日: 1980-05-06
- 发明人: Horst Harnisch
- 申请人: Horst Harnisch
- 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: DEX2608020 19760227
- 主分类号: C09B23/01
- IPC分类号: C09B23/01 ; C09B57/06 ; C09B57/14 ; D06P1/16 ; D06P3/00 ; C07D277/12 ; C07D285/08 ; C07D285/12
摘要:
The subject of the invention are dyestuffs of the formula ##STR1## wherein R is hydrogen or a hydrocarbon radicalQ is arylX is .dbd.C(W) -- or .dbd.N--,W is a nitrile ester or amide groups andA represents the remaining members of a heterocyclic radical.The dyestuffs are preferably suitable for dyeing polyester fibres which are dyed in orange, red, violet or bluish shades with good fastness to light.
公开/授权文献
- US5791036A Catheter transition system 公开/授权日:1998-08-11