发明授权
- 专利标题: Benzodifuran dyestuffs
- 专利标题(中): Benzodifuran染料
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申请号: US773229申请日: 1977-03-01
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公开(公告)号: US4115404A公开(公告)日: 1978-09-19
- 发明人: Colin William Greenhalgh , John Laurence Carey , David Francis Newton
- 申请人: Colin William Greenhalgh , John Laurence Carey , David Francis Newton
- 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: GBX9513/76 19761003
- 主分类号: C09B57/00
- IPC分类号: C09B57/00 ; D06P1/16 ; D06P1/40 ; D06P1/42 ; C07D487/04 ; C07D493/04 ; D06P1/62 ; D06P1/651
摘要:
Substituted 2,6-dioxo-2,6-dihydrobenzo[1:2-b, 4:5-b.sup.1 ]difurans or -dipyrroles and processes for their manufacture. The compounds are dyestuffs which are particularly useful in the form of aqueous dispersions for application to polyester textile materials.
公开/授权文献
- US4751176A Preformed silver halides for photothermographic system 公开/授权日:1988-06-14
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