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    • 3. 发明授权
    • Silver halide photographic material containing ultraviolet light
absorbing agent
    • 含有紫外光吸收剂的卤化银照相材料
    • US4195999A
    • 1980-04-01
    • US896870
    • 1978-04-17
    • Keiichi AdachiShigeo HiranoTadashi IkedaTakeshi Mikami
    • Keiichi AdachiShigeo HiranoTadashi IkedaTakeshi Mikami
    • G03C7/26C07D231/22C07D231/32C07D239/60C07D239/62C07D295/104C07D295/145G03C1/815G03C1/84G03C1/06G03C1/72G03C1/76
    • C07D295/104C07D231/22C07D231/32C07D239/60C07D239/62C07D295/145G03C1/8155
    • A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer with the silver halide photographic material containing, as an ultraviolet light absorbing agent, at least one compound having the general formula (I) ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms, provided that the both of R.sub.1 and R.sub.2 do not simultaneously represent hydrogen atoms, and further, R.sub.1 and R.sub.2 can combine and form a cyclic amino group; R.sub.3 represents a carboxyl group, --COOR.sub.5, --COR.sub.5 or --SO.sub.2 R.sub.5, and R.sub.4 represents a carboxyl group, --COOR.sub.6, or --COR.sub.6 wherein R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms and further, R.sub.5 and R.sub.6 can combine together and form a 1,3-dioxocyclohexane nucleus, a barbituric acid nucleus, a 1,2-diaza-3,5-dioxocyclopentane nucleus, or a 2,4-diazo-1-alkoxy-3,5-dioxocyclohexene nucleus; n is an integer of 1 or 2 and when n is 2, at least one of R.sub.1, R.sub.2 and R.sub.6 may represent an alkylene or arylene group whereby the compound is a dimer; and a method of preventing the effects of ultraviolet light on a silver halide photographic material comprising incorporating into the silver halide photographic material, as an ultraviolet light absorbing agent, at least one compound having the general formula (I) above.
    • 一种卤化银照相材料,其中含有至少一种卤化银照相乳剂层的支持体,其中卤化银照相材料含有作为紫外线吸收剂的至少一种具有通式(I)的化合物(I) 其中R 1和R 2可以相同或不同,各自表示氢原子,具有1-20个碳原子的烷基或具有6至20个碳原子的芳基,条件是R 1和R 2都不 同时代表氢原子,此外,R1和R2可以结合形成环氨基; R3表示羧基-COOR5,-COR5或-SO2R5,R4表示羧基-COOR6或-COR6,其中R5和R6可相同或不同,表示具有1〜20个碳原子的烷基 碳原子或具有6〜20个碳原子的芳基,此外,R5和R6可以结合在一起形成1,3-二氧环己烷核,巴比土酸核,1,2-二氮杂-3,5-二氧杂环戊烷核 ,或2,4-重氮-1-烷氧基-3,5-二氧环己烯核; n是1或2的整数,当n是2时,R 1,R 2和R 6中的至少一个可以表示亚烷基或亚芳基,由此化合物是二聚体; 以及防止紫外光对卤化银照相材料的影响的方法,包括将卤化银照相材料作为紫外线吸收剂,至少一种具有上述通式(I)的化合物。