发明授权
- 专利标题: Reactive azo dyes containing a benzotriazine-1-oxide
- 专利标题(中): 含有苯并呋喃-1-氧化物的反应性AZO染料
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申请号: US3567706D申请日: 1966-01-03
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公开(公告)号: US3567706A公开(公告)日: 1971-03-02
- 发明人: BRENNEISEN KURT , THUMM OTMAR , WURSTER RUDOLF
- 申请人: SANDOZ LTD
- 专利权人: Sandoz Ltd
- 当前专利权人: Sandoz Ltd
- 优先权: CH1624465 1965-11-25; CH1688564 1964-12-31
- 主分类号: C09B62/04
- IPC分类号: C09B62/04 ; C09B62/36 ; D06P1/02
摘要:
INTERMEDIATES, 3-HALO- HYDROXY-1,2,4-BENZOTRIAZINE-1OXIDE-6- OR -7-CARBOXYLIC ACID OR ACID HALIDE, ARE USEFUL IN THE PREPARATION OF WATER-SOLUBLE REACTIVE DYES HAVING IN THEIR MOLECULAR STRUCTURE, AS A FIBER-REACTIVE GROUP, AT LEAST ONE 3-HALO-1,2,4-BENZOLTRIAZINE-1-OXIDE-6- OR -7-CARBONAMIDO GROUP.
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