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    • 3. 发明授权
    • Silver halide element with improved high temperature storage and sensitivity
    • 具有改善的高温储存和灵敏度的卤化银元件
    • US06472134B1
    • 2002-10-29
    • US09593108
    • 2000-06-13
    • Steven P. SzatynskiJames H. ReynoldsAnnabel A. MuenterGeorge J. Burgmaier
    • Steven P. SzatynskiJames H. ReynoldsAnnabel A. MuenterGeorge J. Burgmaier
    • G03C7305
    • G03C1/346G03C1/12G03C7/30511
    • A silver halide photographic element comprising at least one silver halide emulsion, said silver halide element further comprising an amido compound represented by Formula 1 wherein INH is a development inhibitor; LINK is a linking or timing group and m is 0, 1 or 2; and R1 and R2 independently represents an aliphatic, aromatic or heterocyclic group, or R1 and R2 together with the nitrogen to which they are attached represent the atoms necessary to form a 5 or 6 membered ring or multiple ring system; or R1 and R2 are independently a —C(═O)(LINK)m—INH group, or are substituted with an —NR3aC(═O)—(LINK)m—INH group, with R3a being defined the same as R1 or R2, and wherein the compound of Formula I does not substantially react with oxidized developer to release INH; and a fragmentable electron donor compound of the formula X—Y′ or a compound which contains a moiety of the formula —X—Y′;  wherein X is an electron donor moiety, Y′ is a leaving proton H or a leaving group Y, with the proviso that if Y′ is a proton, a base, &bgr;−, is covalently linked directly or indirectly to X, and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.4 V; and 2) the oxidized form of X—Y′ undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y′, and optionally. 3) the radical X′ has an oxidation potential ≦−0.7V.
    • 包含至少一种卤化银乳剂的卤化银照相元件,所述卤化银元素还包含由式1表示的酰胺化合物,其中INH是显影抑制剂; LINK是连接或定时基团,m是0,1或2; 并且R 1和R 2独立地表示脂族,芳族或杂环基团,或者R 1和R 2与它们所连接的氮一起代表形成5或6元环或多环体系所必需的原子; 或者R 1和R 2独立地为-C(= O)(LINK)m-INH基团,或被-NR 3 a C(= O) - (LINK)m-INH基团取代,其中R 3a定义与R 1或 R2,并且其中式I的化合物基本上不与氧化显影剂反应以释放INH; 和式X-Y'的可裂解电子给体化合物或含有式-X-Y'部分的化合物; 其中X是电子给体部分,Y'是离开质子H或离去基团Y,条件是如果Y'是质子,则碱,β - 与X直接或间接共价连接,并且其中:1 )XY'具有介于0和约1.4V之间的氧化电位; 和2)X-Y'的氧化形式经历键断裂反应,得到基团X和离去片段Y',并且任选地,3)基团X'具有<= -0.7V的氧化电位。
    • 4. 发明授权
    • Silver halide element with improved high temperature storage and raw stock keeping
    • 具有改善的高温储存和原料储存的卤化银元件
    • US06472135B1
    • 2002-10-29
    • US09593113
    • 2000-06-13
    • Steven P. SzatynskiJames H. ReynoldsLillian M. KelloggGeorge J. Burgmaier
    • Steven P. SzatynskiJames H. ReynoldsLillian M. KelloggGeorge J. Burgmaier
    • G03C7305
    • G03C1/34G03C1/346G03C7/30511
    • This invention relates to a silver halide photographic element comprising at least one silver halide emulsion, said silver halide element further comprising an amido compound represented by Formula 1 wherein INH is a development inhibitor; LINK is a linking or timing group and m is 0, 1 or 2; and R1 and R2 independently represents an aliphatic, aromatic or heterocyclic group, or R1 and R2 together with the nitrogen to which they are attached represent the atoms necessary to form a 5 or 6 membered ring or multiple ring system, or R1 and R2 are independently a —C(═O)(LINK)m—INH group, or are substituted with an —NR3aC(═O)—(LINK)m—INH group, with R3a being defined the same as R1 or R2; and wherein the compound of Formula 1 does not substantially react with oxidized developer to release INH; and a reductone compound represented by Formula 2 wherein R7 and R8 are the same or different, and may represent H, alkyl, cycloalkyl, aryl, or an alkyl group with a solubilizing group such as —OH, sulfonamide, sulfamoyl, or carbamoyl, R7 and R8 may be joined to complete a heterocyclic ring, R4 and R5 are H, OH, alkyl, aryl, cycloalkyl, or may together represent an alkylidene group, n is 1 or 2 and R3 is H, alkyl, aryl, or CO2R6 where R6 is alkyl.
    • 本发明涉及包含至少一种卤化银乳剂的卤化银照相元件,所述卤化银元素还包含由式1表示的酰胺化合物,其中INH是显影抑制剂; LINK是连接或定时基团,m是0,1或 2; 并且R 1和R 2独立地表示脂族,芳族或杂环基团,或者R 1和R 2与它们所连接的氮一起表示形成5或6元环或多环体系所必需的原子,或者R 1和R 2独立地为 -C(= O)(LINK)m-INH基团,或被-NR 3 a C(= O) - (LINK)m-INH基团取代,其中R 3a定义与R 1或R 2相同; 并且其中式1的化合物基本上不与氧化的显影剂反应以释放INH; 和由式7表示的还原酮化合物,其中R 7和R 8相同或不同,并且可以表示H,烷基,环烷基,芳基或具有增溶基团如-OH,磺酰胺,氨磺酰基或氨基甲酰基的烷基,R7和 R8可以连接成杂环,R4和R5是H,OH,烷基,芳基,环烷基,或者可以一起代表亚烷基,n是1或2,R 3是H,烷基,芳基或CO 2 R 6,其中R 6 是烷基。