发明名称 Redox dye releasers o-sulfonamidophenol
摘要 A color photographic material for, in particular, a color diffusion transfer process having at least one silver halide emulsion layer having associated therewith a dye releasing redox compound shown by the formula <IMAGE> wherein G represents a hydroxyl group or a group yielding a hydroxyl group by hydrolysis, Col represents a dye or a group yielding a dye by hydrolysis, R represents an alkyl group or an aromatic group, X represents a substituent comprising an electron donating group or substituents, which may be same or different, at least one of which comprises an electron donating group, and n is 1, 2, or 3, where X moieties may form a condensed ring (excluding an aromatic hydrocarbon ring) with each other or with OR, wherein the total carbon number of Xn and R is more than 8.
申请公布号 US4055428(A) 申请公布日期 1977.10.25
申请号 US19760670763 申请日期 1976.03.26
申请人 FUJI PHOTO FILM CO., LTD. 发明人 KOYAMA, KOICHI;MAEKAWA, YUKIO;MIYAKAWA, MASAMI
分类号 C07C67/00;C07C301/00;C07C311/21;C07C311/44;C07C311/46;C07D231/46;C07D311/72;C07D405/12;C09B26/02;C09B29/10;C09B69/00;G03C8/10;G03C8/14;(IPC1-7):G03C1/40;G03C7/00;G03C1/76;G03C1/10 主分类号 C07C67/00
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