发明授权
- 专利标题: Novel pyrazolone dye
- 专利标题(中): 新型吡唑啉酮染料
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申请号: US127309申请日: 1987-12-02
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公开(公告)号: US4833246A公开(公告)日: 1989-05-23
- 发明人: Keiichi Adachi , Shigeru Ohno , Yoshio Inagaki , Nobuo Seto , Yoshihiro Jinbo
- 申请人: Keiichi Adachi , Shigeru Ohno , Yoshio Inagaki , Nobuo Seto , Yoshihiro Jinbo
- 申请人地址: JPX Kanagawa
- 专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人地址: JPX Kanagawa
- 优先权: JPX61-287295 19861202
- 主分类号: C09B23/00
- IPC分类号: C09B23/00 ; C07D231/24 ; C09B23/01 ; C09B23/04 ; C09B23/06 ; C09B23/08 ; G03C1/83
摘要:
A novel pyrazolone dye represented by the following formula (I), which can be effectively used as a filter dye, an irradiation inhibiting dye, an antihalation dye or the like in a photographic light-sensitive material: ##STR1## wherein R.sub.1 and R.sub.2 each represents --COOR or ##STR2## R and R' each represents a hydrogen atom, an alkyl group, or an aryl group or may combine with each other to form a 5- or 6-membered ring; Q.sub.1 and Q.sub.2 each represents an aryl group; X.sub.1 and X.sub.2 each represents a linkage group; Y.sub.1 and Y.sub.2 each represents a sulfo group or a carboxyl group; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; L.sub.4 and L.sub.5 each represents an alkylene group; m.sub.1 and m.sub.2 each represents 1 or 2; n represents 0, 1 or 2; p.sub.1 and p.sub.2 each represents 0 or 1; q.sub.1 and q.sub.2 each represent 0, 1, 2, 3 or 4; and s.sub.1 and s.sub.2 each represents 1 or 2.
公开/授权文献
- US6034557A Delay circuit with temperature and voltage stability 公开/授权日:2000-03-07
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