摘要:
A color photographic silver halide material having a support and at least one photosensitive silver halide emulsion layer which is associated with a cyan coupler of the formula (I): 1 in which R1, R2, R3, Z1, Y1 and n have the meaning stated in the description, is distinguished by elevated dye stability of the dye produced from the coupler by chromogenic processing.
摘要:
The present invention relates to a color photographic recording material which contains, in at least one layer between the substrate and light-sensitive emulsion layer situated nearest to the substrate, a compound of formula (I) wherein X and Y, independently of each other in each case, represent an electron-attracting group, and X and Y together can form a group which is necessary for the completion of a 5- or 6-membered ring.
摘要:
Thermal and photochemical yellowing of a color photographic element, such as a color print, is inhibited by incorporating into the photographic element an ionizable epoxy compound having the formula: ##STR1## wherein: R is H, alkyl, substituted alkyl, aryl, or substituted aryl;L.sub.1 is alkyl, substituted alkyl, aryl, or substituted aryl;L.sub.2 is O, CO, S, SO.sub.2, PO.sub.2, C(O)O, NHCO or NHSO.sub.2 ;L.sub.3 is alkyl or substituted alkyl;m is 0 or 1;p is 0 or 1;X is selected from the group consisting of ##STR2## wherein: R' is H, alkyl, substituted alkyl, aryl or substituted aryl,or, if L.sub.2 comprises an ionizable group, X is alkyl, substituted alkyl, aryl or substituted aryl.
摘要翻译:彩色照相元件如彩色印刷品的热和光化学黄化通过将具有下列通式的可离子化环氧化合物加入到照相元件中:kyl,芳基或取代的芳基; L 1是烷基,取代的烷基,芳基或取代的芳基; L2是O,CO,S,SO2,PO2,C(O)O,NHCO或NHSO2; L3是烷基或取代的烷基; m为0或1; p为0或1; X选自,其中:R'是H,烷基,取代的烷基,芳基或取代的芳基,或者如果L2包含可离子化基团,则X是烷基,取代的烷基,芳基或取代的 芳基。
摘要:
There is disclosed a silver halide color photographic material having photosensitive layers and non-photosensitive layers adjacent to photosensitive layers on a base, which comprises a yellow dye-forming coupler selected from a group consisting of couplers represented by formulas (I), (II), and (III) and a compound represented by the following formula (IV): ##STR1## wherein R.sub.1 represents a monovalent group, Q represents a group of non-metallic atoms required to form together with the C a cyclic hydrocarbon group or a heterocyclic group that has a heteroatom of N, S, O, or P, and Y.sub.R represents a residue remaining after removing the acyl group ##STR2## from the coupler represented by formula (I), provided that R.sub.1 is not a hydrogen atom and does not bond to Q to form a ring, ##STR3## wherein X.sup.1, and X.sup.2 each represent an alkyl group, an aryl group, or a heterocyclic group, X.sup.3 represents an organic residue required to form a nitrogen-containing heterocyclic group together with the >N--, Y represents an aryl group or a heterocyclic group, and Z represents a coupling releasing group, ##STR4## wherein R.sub.41 represents a hydrogen atom, an alkyl group, an aryl group, an alkenyl group, or a heterocyclic group; R.sub.42 represents an alkyl group, an aryl group, an alkenyl group, or a heterocyclic group, and n is an integer of 0 to 4, provided that R.sub.41 and R.sub.42 may together form a 5- to 7-membered ring.
摘要:
A silver halide color photographic light-sensitive material having, on a support, at least an emulsion layer containing a yellow coupler represented by the general formula (I) and a sparingly water soluble epoxy compound represented by the general formula (II): ##STR1## An excellent dye images with improved yellow image storability, particularly, heat and wet heat fastness can be obtained.
摘要:
A silver halide photographic light-sensitive material comprising at least one type of cyan dye-forming coupler represented by formula (I) below and at least one type of difficulty water-soluble epoxy represented by formula (II) below: ##STR1## wherein R.sub.1 represents an alkyl group having at least 7 carbon atoms, R.sub.2 represents an alkyl group with 2 to 15 carbon atoms, L represents a simple linkage or a bivalent linking group, Z represents a hydrogen atom, or a group or atom which can be released at the time of the coupling with the developing agent, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, an aliphatic group, an aliphatic oxycarbonyl group, an aromatic oxycarbonyl group or a carbamoyl group, provided that R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are not all hydrogen atoms, and the total number of carbon atoms thereof is from 8 to 60, and in formula (II), a 5- to 7-membered ring may be formed with R.sub.3 and R.sub.4 or R.sub.3 and R.sub.5, respectively.
摘要:
A tocopherol derivative represented by the general formula, ##STR1## wherein R, R.sub.1 and R.sub.2 represent individually a hydrogen atom or a methyl group; and R.sub.3 represents a straight chain or branched-chain alkyl group having 1 to 18 carbon atoms, or a substituted or unsubstituted aryl group, is incorporated as a light-fading stabilizer into the photosensitive layer of a color photographic lightsensitive material, whereby the photographic material can be prevented not only from fading and discoloration of the finally obtained color image and from discoloration of the non-color-developed portion, but also from formation of fog. Furthermore, the said stabilizer itself is excellent in dispersion stability.
摘要:
A method for forming images on a silver halide color photographic photosensitive material having a substrate and photographic structural layers thereon, including, at least three silver halide color photosensitive layers having different photosensitive regions, respectively, and at least one non-photosensitive hydrophilic colloid layer is disclosed. At least one of the photosensitive layers contains 90 mol % or more of silver chloride. Shortly after the silver halide color photographic photosensitive material has been scan-exposed with laser beams, the material is rapid-processed with a low replenishing amount.
摘要:
The invention describes novel compounds of the formula (I) wherein the general symbols are as defined in claim (1) and R1 is an aromatic radical with electron withdrawing substituents, as stabilizers for protecting organic materials, in particular polymers and lubricants, against oxidative, thermal or light-induced degradation and as scavengers for oxidized developer in color photographic material.
摘要:
A color photographic silver halide material which is developed as a negative, at least 90 mol % of the silver halides of which consist of AgCl, and which contains a compound of formula (I) or formula (II) in a light-insensitive layer which is further from the support than is each light—light sensitive layer, is distinguished by its improved color reproduction.