发明授权
- 专利标题: Bisazo ink-jet dyes
- 专利标题(中): 双偶氮喷墨染料
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申请号: US947863申请日: 1997-10-09
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公开(公告)号: US5888286A公开(公告)日: 1999-03-30
- 发明人: Peter Gregory , Prahalad Manibhai Mistry , Roy Bradbury , Paul Wight
- 申请人: Peter Gregory , Prahalad Manibhai Mistry , Roy Bradbury , Paul Wight
- 申请人地址: GB2 London
- 专利权人: Zeneca Limited
- 当前专利权人: Zeneca Limited
- 当前专利权人地址: GB2 London
- 优先权: GBX9621265 19961011
- 主分类号: C09B31/08
- IPC分类号: C09B31/08 ; C09B43/44 ; C09D11/00 ; C09D11/02
摘要:
A bisazo dye of Formula (1) and salts thereof: ##STR1## wherein: R.sub.1 and R.sub.2 each independently is H, optionally substituted C.sub.1-4 -alkyl or optionally substituted aryl;R.sub.3 is --NH.sub.2 ;R.sub.4 is OC.sub.1-4 -alkyl;each R.sub.5 independently is --COOH or --SO.sub.3 H; andn is 1,2, or 3.Also claimed are inks containing the dye, a process of ink jet printing using the inks and substrates coloured by the inks.
公开/授权文献
- US4740722A Composite semiconductor device 公开/授权日:1988-04-26
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