发明授权
- 专利标题: Anthraquinone dyes
- 专利标题(中): 蒽醌染料
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申请号: US41259申请日: 1979-05-21
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公开(公告)号: US4238400A公开(公告)日: 1980-12-09
- 发明人: Michael Yelland
- 申请人: Michael Yelland
- 申请人地址: GB2 London
- 专利权人: Imperial Chemical Industries Limited
- 当前专利权人: Imperial Chemical Industries Limited
- 当前专利权人地址: GB2 London
- 优先权: GBX29229/78 19780707
- 主分类号: C09B1/34
- IPC分类号: C09B1/34 ; C07C143/665
摘要:
Anthraquinone dyes having the formula: ##STR1## wherein R represents an optionally substituted alkyl, aryl, cycloalkyl, alkoxy, aryloxy or cycloalkoxy radical and each of R.sup.1 and R.sup.2, independently, represents hydrogen or a C.sub.1-4 alkyl radical.The dyes are applicable as acid dyes to natural and synthetic polyamide textiles.
公开/授权文献
- US5951449A Exercise device 公开/授权日:1999-09-14
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