Abstract: A color photographic recording material containing yellow couplers corresponding to the following formula is distinguished during chromogenic development by high sensitivity, steep gradation and high color density (even where development is carried out in the absence of benzyl alcohol). The yellow image dyes are highly resistant to moist or dry heat. ##STR1## in which X is a group releasable during the color coupling reaction;R.sub.1 is a C.sub.1-18 alkyl radical;R.sub.2 is a C.sub.1-18 alkyl radical or aralkyl.

Abstract: A color photographic recording material containing a magenta coupler corresponding to the following formula is distinguished during chromogenic development by high sensitivity, gradation and high color density and also minimal yellow secondary density: ##STR1## In the formula, X is H or a group releasable during the color coupling reaction;R.sub.1 and R.sub.2 are Cl, Br, --CF.sub.3 ;R.sub.3 is H, Cl, Br, --CF.sub.3, --OCH.sub.3 ;R.sub.4 is alkyl;R.sub.5 is alkyl or benzyl.

Abstract: Iron(III)-complexes of compounds of the formula ##STR1## wherein R.sub.1 denotes a substituent,m denotes 1 or 2 andn denotes 0, 1 or 2are valuable and biodegradable bleaching agents for photographic elements.

Abstract: Remarkably high inter-image and edge effects are obtained when DIR-Couplers corresponding to Formula I are added to multilayered color photographic recording materials, in particular to green sensitive or red sensitive layers. The sharpness and color reproduction may thereby be improved. ##STR1## R.sup.1 and R.sup.2 denote alkyl or an aromatic group, R.sup.3 denotes H, alkyl or acylamino,R.sup.4 denotes H or alkylR.sup.5 denotes alkyl, alkinyl, aryl, acyloxy, carbamoyl or a cyclic imido group andn has the value 0 or 1and the total number of carbon atoms in R.sup.3, R.sup.4 and R.sup.5 is greater than 3 but not greater than 11.

Abstract: High interimage effects and edge effects can be obtained in multilayer color photographic recording materials if yellow DIR couplers of formula I are used therein, particularly if used in green sensitized or red sensitized layers. Sharpness and color reproduction are substantially improved. ##STR1## wherein R.sup.1 denotes a straight chained or branched alkyl group with up to 18 carbon atoms;R.sup.2, R.sup.3 denote identical or different alkyl groups with up to 18 carbon atoms;R.sup.4 denotes H, halogen, alkyl with up to 6 carbon atoms or alkoxy with up to 6 carbon atoms;R.sup.5 denotes H or alkyl with up to 9 carbon atoms; andR.sup.6 denotes a saturated or unsaturated aliphatic group with up to 10 carbon atoms,the total number of carbon atoms in R.sup.5 and R.sup.6 being not less than 5 and not greater than 10.

Abstract: Remarkably high interimage and Eberhard effects are obtained when yellow DIR couplers corresponding to formuls I are added to multilayered color photographic recording materials, in particular to the green-sensitive or red-sensitive layers. These couplers can improve the sharpness and color reproduction. ##STR1## R.sup.1 denoted alkyl or aryl, R.sup.2 denotes alkyl with up to 18 carbon atoms,R.sup.3 denotes halogen, SO.sub.2 --R.sup.6, SO.sub.2 --NR.sup.7 --R.sup.8 or NH--SO.sub.2 --R.sup.6,R.sup.4 denoted H, alkyl or aryl.R.sup.5 denotes alkyl, cycloalkyl, alkinyl, aralkyl or aryl,R.sup.6 denotes alkyl or aryl,R.sup.7 denotes H or alkyl andR.sup.8 denoted H, alkyl, aryl, CO--R.sup.6 or ##STR2## and the total number of carbon atoms in R.sup.4 and R.sup.5 is not greater than 11.

Abstract: Photographically useful compounds, i.e. in the present context compounds which, under development conditions, chemically react imagewise, after imagewise exposure, to produce desired reaction products in imagewise distribution, may be incorporated in the layers of photographic recording materials in the form of aqueous dispersions of polyurea or polyurethane compounds containing recurring structural units corresponding to the following formula:Q(--Y).sub.n Iin which Q represents the residue of the photographically useful compound; the other symbos are as defined in the specification.

Abstract: Polymeric couplers with recurring units which contain at least one urethane and/or urea group, are suitable for the production of improved photographic recording materials.

Abstract: Yellow Couplers of the formula ##STR1## wherein Y represents an aliphatic or cycloaliphatic radical;X represents hydrogen or a separable group;R.sup.1 represents an alkyl radical having from 12 to 20 carbon atoms; andR.sup.2 represents an alkyl radical having from 1 to 4 carbon atoms,can be well dissolved in oil formers and also couple in the absence of benzyl alcohol with a high color yield. They are stable against heat and moisture and give rise to stable yellow dyes in color development.

Abstract: Colored, reflection-viewed images having improved stability to light, heat and moisture and improved storage stability while retaining the original color character thereof are produced using color photographic recording materials containing, on a light-reflecting layer support, a red-sensitive, a green-sensitive and a blue-sensitive silver halide emulsion layer, each with spectrally associated color coupler, the yellow coupler being a 2-equivalent yellow coupler derived from pivaloyl acetanilide, the magenta coupler a 3-anilinopyrazolone coupler and the cyan coupler a coupler corresponding to the following general formula (I): ##STR1## wherein R.sup.1 represents H or halogen;R.sup.2 represents alkyl having at least 2 carbon atoms;R.sup.3 represents H or alkyl having up to 5 carbon atoms;R.sup.4 represents acyl; andX.sup.1 represents H or a group releasable in the process of color coupling.

Abstract: Silver halide developer compounds containing amino groups and attached in the form of a salt to ion exchangers are embedded in layers of photographic recording material comprising at least one silver halide emulsion layer. In color photographic recording materials, the silver halide emulsion layers may have color-providing compounds associated with them.

Abstract: Colored images consisting of metal-complexed azomethine dyes are prepared by chromogenic development of silver halide photographic recording materials in the presence of color couplers. The color developers contain a grouping capable of metal chelate formation adjacent to the primary amino group. The azomethine dyes are transferred into the corresponding azomethine dye/metal complexes. The complex formation is accompanied by shift of color hue and increase of light stability.

Abstract: The process for the development of color photographic images with an aqueous alkaline color developer mixture comprising methyl-p-dialkylaminoaniline derivates. The process provides brilliant color photographic images avoiding coloration of the support and color fog even when processing at high temperatures.

Abstract: .beta.-Aminoethyl carbamic acid is useful in photographic baths and developer compositions in order to accelerate the development.

Abstract: Useful 2-equivalent yellow couplers correspond to the formula ##STR1## in which A represents a yellow coupler radical connected through the coupling positionPy represents a pyridine group connected to the N through one of its carbon atomsR represents alkyl, aryl or dialkylaminoThe couplers provide high color density and low color fog.

Abstract: 2-Equivalent yellow couplers for the production of yellow dye images in color photographic silver halide materials have as splittable group a nitrogen-containing 6-membered heteroaromatic ring which is linked by the said nitrogen atom to the coupling position of the coupler molecule, contains a carbonyl group adjacent said nitrogen, and also contains one or two additional nitrogens as well as a fused-on aromatic carbocyclic ring. When the heteroaromatic ring contains two additional nitrogens, all three nitrogens are vicinal; when it contains only one additional nitrogen, the splittable group is a 1,3-quinazolinone-4 having at least one carboxy, lower-aliphatic-alcohols-esterified carboxy, nitro, methyl or chloro substituent.

Abstract: 2-Equivalent yellow couplers for the production of yellow dye images in color photographic silver halide materials have as splittable group a nitrogen-containing 6-membered heteroaromatic ring which is linked by the said nitrogen atom to the coupling position of the coupler molecule, contains a carbonyl group adjacent said nitrogen, and also contains one or two additional nitrogens as well as a fused-on aromatic carbocyclic ring. When the heteroaromatic ring contains two additional nitrogens, all three nitrogens are vicinal; when it contains only one additional nitrogen, the splittable group is a 1,3-quinazolinone-4 having at least one carboxy, with lower aliphatic alcohols esterified carboxy, nitro, methyl or chloro substituent.

Abstract: Diffusion-fast yellow couplers for color photographic silver halide materials with at least one silver halide emulsion layer are provided containing a substituted or unsubstituted 2-cyclotetramethylene sulfone group in a non-coupling position of the coupler molecule which couplers are excellently emulsifiably in color photographic emulsions, are highly reactive and stable under heat and tropic conditions. The dyes produced from them by chromogenic development in color developers containing aromatic components of the p-phenylene diamine series which contains at least one primary amino group are eminently stable under heat and tropic conditions, have a low side absorptions in the unwanted region of the spectrum and low fog values.