Abstract: There is disclosed a method for processing of a light sensitive silver halide color photographic material characterized by carrying out, after an image exposure of the material, a development processing of the material in the presence of the following components (A), (B), and (C) and/or (D):(A) an aromatic primary amine color developing agent compound;(B) a manganese salt and/or a cerium salt;(C) a diphosphonic acid sequestering agent and a magnesium salt and/or a lithium salt; and(D) at least one of the sequestering agent selected from the group consisting of the compounds represented by the formulas (I), (II), (III), (IV) and (V) found in the specification.

Abstract: A photographic element for use in a method of multicolor image formation by tanning development is a layered structure comprising an optionally primed base support, a layer of colloidal silver, a layer of sensitized silver halide emulsion in gelatin free of hardener, and at least one colored pigment or dye dispersed therein which absorbs radiation.

Abstract: Photographic products and processes for the imagewise generation of a dye from a color shifted dye precursor of a preformed image dye, said precursor having at least one ##STR1## group, wherein R is hydrogen, alkyl, provided that the .alpha.- carbon does not have a hydrogen atom attached thereto, aryl such as phenyl or substituted phenyl, e.g. p-nitrophenyl, or heterocyclic such as pyridine; R.sub.1 -R.sub.6 are hydrogen, alkyl, preferably having from 1 to 6 carbon atoms, or aryl; n is 0 or 1; and T is a moiety containing a thiazolidin-2-yl group which upon silver-assisted cleavage of said thiazolidin-2-yl group results in the formation of a ##STR2## group, which may be protonated under the reaction conditions, followed by cleavage of said ##STR3## which cleavage is anchimerically assisted or accelerated by said ##STR4## to provide after protonation, an ##STR5## group in a dye chromophore. In a preferred embodiment the precursor is a substantially colorless compound.

Abstract: This invention relates to photographic processes and products for forming an image in dye from a colorless precursor of a preformed image dye which is substituted with a moiety comprising a 1,3-sulfur-nitrogen group, said 1,3-sulfur-nitrogen group (a) being capable of undergoing cleavage in the presence of silver ion and/or soluble silver complex, and (b) possessing an amide substituent on the carbon atom in the 2-position that undergoes an intramolecularly accelerated cleavage reaction following the cleavage of said 1,3-sulfur-nitrogen group, which moiety maintains said precursor in its colorless form at least until the 1,3-sulfur-nitrogen group undergoes said cleavage. In a further embodiment, the cleavage of the amide substituent following the cleavage of the 1,3-sulfur-nitrogen group is used to provide an imagewise distribution of a photographically useful reagent, which reagent may be, for example, a photographically active reagent.

Abstract: This invention relates to photographic processes and products for forming an image in dye from a colorless precursor of a preformed image dye which is substituted with a moiety comprising a 1,3-sulfur-nitrogen group that undergoes cleavage in the presence of silver ion and/or soluble silver complex, which moiety maintains said precursor in its colorless form at least until the 1,3-sulfur-nitrogen group undergoes cleavage imagewise to correspond to the imagewise distribution of silver ion and/or soluble silver complex made available as a function of development.

Abstract: This invention relates to photographic processes and products for forming an image in dye from a colorless precursor of a preformed image dye which is substituted with a moiety containing a thiazolidinyl group, said thiazolidinyl group (a) being capable of undergoing cleavage imagewise in the presence of an imagewise distribution of silver ion and/or soluble silver complex and (b) possessing a substituent on the carbon atom in the 2-position which upon cleavage of said thiazolidinyl group, undergoes a .beta.-elimination reaction followed by an intramolecularly accelerated nucleophilic displacement reaction, which moiety maintains the precursor in its colorless form at least until said thiazolidinyl group undergoes said cleavage. In a further embodiment, this sequence of reactions is used to release an imagewise distribution of a photographically useful reagent which reagent may be, for example, a photographically active reagent.

Abstract: This invention relates to photographic processes and products for forming an image in dye from a colorless precursor of a preformed image dye which is substituted with a moiety containing a thiazolidinyl group, said thiazolidinyl group (a) being capable of undergoing cleavage imagewise in the presence of an imagewise distribution of silver ion and/or soluble silver complex and (b) possessing a substituent on the carbon atom in the 2-position that undergoes a .beta.-elimination reaction upon said imagewise cleavage, which moiety maintains the precursor in its colorless form at least until said thiazolidinyl group undergoes said cleavage. In a further embodiment, an imagewise distribution of a photographically useful reagent, which reagent may be, for example, a photographically active reagent, is released as a carbamic acid by a .beta.-elimination reaction following the cleavage of a thiazolidinyl group whereby said reagent is provided with a solubilizing group at least during the initial stages of processing.

Abstract: A new color-forming 4-(4'-secondary or tertiary-amino)anilino-1-carboxamidonaphthalene dye precursor in a photographic material and process enables formation of a dye image by means of cross-oxidation without the need for a coupling reaction. The color-forming 4-(4'-secondary or tertiary-amino)anilino-1-carboxamidonaphthalene dye precursor is useful in a photographic silver halide material for producing (i) a dye image, or (ii) a dye image and silver image. The exposed photographic material is processed to produce (a) a positive dye image, (b) a negative dye and negative silver image, (c) a negative dye image or (d) a positive dye image and a positive silver image. New naphthoquinoneimide dyes are also described.

Abstract: A process for forming a photographic image comprising imagewise exposing a silver halide photographic light-sensitive material to light and processing the silver halide photographic light-sensitive material with an alkaline processing solution, wherein the improvement comprises the silver halide photographic light-sensitive material contains a compound represented by formula (I) ##STR1## wherein R represents an alkyl group having from 6 to 22 carbon atoms, a substituted alkyl group having from 6 to 22 carbon atoms, an aryl group having from 6 to 22 carbon atoms, a substituted aryl group having from 6 to 22 carbon atoms, an alkenyl group having from 6 to 22 carbon atoms, a substituted alkenyl group having from 6 to 22 carbon atoms or an aralkyl group having from 7 to 22 carbon atoms; X represents an alkyl group having from 1 to 4 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or a halogen atom; and n represents an integer from 1 to 3.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein each R.sup.1 is the same and is selected from ##STR2## R.sup.2 is alkyl, R.sup.3 is an electron-withdrawing group positioned ortho, meta or para to said N atom, R.sup.4 is hydrogen, alkyl or an electron-withdrawing group positioned ortho, meta or para to said N atom; R.sup.5 is alkyl; X is hydrogen, an electron-withdrawing group or an electron-donating group; and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds, e.g., as photographic light-screening dyes.

Abstract: Radiation is directed toward a support through an ordered array of lateral walls to form interlaid radiation-exposed and shadowed microareas on the support. A first composition is then located on the support in either the shadowed or unshadowed microareas. At least one additional composition is then positioned on the support in laterally displaced microareas forming an interlaid pattern with the first microareas.

Abstract: Silver halide emulsions, which have been precipitated in the presence of polymers having recurring units with a 8-hydroxy quinoline structure are suitable for the preparation of vesicular images.

Abstract: A radiation-sensitive emulsion for use in forming a direct-positive image is disclosed. The emulsion is comprised of core-shell silver halide grains. The shell portions of the grains contain polyvalent metal ions to reduce rereversal.

Abstract: A color-forming para-sulfonamidodiphenylamine dye precursor in a photographic material and process enables formation of a sulfonimide dye image by means of cross-oxidation without the need for a coupling reaction. The color-forming para-sulfonamidodiphenylamine dye precursor is useful in a photographic silver halide material for producing (i) a dye image, or (ii) a dye image and silver image. The exposed photographic material is processed to produce (a) a positive dye image, (b) a negative dye and negative silver image, (c) a negative dye image or (d) a positive dye image and a positive silver image.

Abstract: In a photographic material for producing a dye image or a dye image and silver image comprising (1) a photographic metal salt, such as photographic silver halide, and (2) a dye precursor, improved images are provided by means of a color-forming para-sulfonamidodiphenylamine dye precursor having one to two sulfonamido groups in positions ortho to the --NH-- moiety separating the two phenyl groups of the sulfonamidodiphenylamine and wherein the sulfonamidodiphenylamine, in oxidized form, intramolecularly reacts to produce a sulfonamido-substituted phenazine dye. An exposed photographic material containing the color-forming sulfonamidodiphenylamine dye precursor is processed to produce a negative phenazine dye-enhanced silver image. Alternatively, the exposed photographic material is processed to produce a positive phenazine dye image.

Abstract: Pyrazoles of the formula ##STR1## are useful as stabilisers in photographic materials.

Abstract: Photographic elements, multicolor filters and receivers are disclosed having supports providing microvessels for materials such as radiation-sensitive materials, imaging materials, mordants, silver precipitating agents and materials which are useful in conjunction with these materials. Processes of forming microvessels and introducing materials therein are also disclosed. Processes of forming images are disclosed employing microvessel containing elements. Image transfer processes are disclosed for producing one or a combination of silver and multicolor subtractive primary images alone or in combination with multicolor additive primary images.

Abstract: A process for developing a light-sensitive material comprising a support having thereon at least one internal latent image-forming silver halide photographic emulsion layer which comprises, after imagewise exposure, developing the light-sensitive material with an alkaline solution of a developing agent in the presence of a compound represented by the formula I which is capable of selectively forming latent images in the inner portions of said silver halide upon development: ##STR1## wherein Y represents an acyl group or a cyano group and said acyl group and the 3-, 4- or 5-position of the pyridinium ring may be optionally substituted.

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: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein each R.sup.1 the same or different is hydrogen or alkyl, each R.sup.2 the same or different is alkyl or phenyl, R.sup.3 is phenyl or alkyl, Y is an electron-withdrawing group and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein X is ##STR2## wherein R' is alkyl, Y is an electron-withdrawing group and n is 0 or 1. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein R' is alkyl; Y is an electron-withdrawing group and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.

Abstract: A method is disclosed of photographically processing a negative-working imagewise exposed silver halide photographic element to produce a reversal dye image comprising (a) developing the imagewise exposed silver halide with an electron transfer agent to produce oxidized electron transfer agent which reacts with a competing oxidizable substance and (b) developing silver halide remaining with the electron transfer agent in the presence of a dye image providing compound capable, after the competing oxidizable substance has been depleted, of reacting with the oxidized electron transfer agent to produce a reversal dye image. Image transfer film units are disclosed useful in the practice of this method. Such film units include those containing in addition to the competing oxidizable substance and initially immobile dye image providing compound a layer containing additional silver halide and a scavenger separating the additional silver halide from the immobile dye image providing compound.

Abstract: An inorganic system of color photography in which colored images are recorded with compositions comprising a mixture of an iridescent pigment of the type displaying an interference-reinforced reflection color, and finely divided particles of a photosensitive material, such as a silver halide, which can be developed to give black or other light absorbing particles which will absorb light wavelengths complementary to the interference-reinforced reflection color of the iridescent pigment. The system does not require organic dyes in the final image, which is highly light-stable, and uses much smaller amounts of silver than conventional black and white photography.

Abstract: An inorganic system of color photography in which colored images are recorded with compositions comprising a mixture of an iridescent pigment of the type displaying an interference-reinforced reflection color, and finely divided particles of a photosensitive material, such as a silver halide, which can be developed to give black or other light absorbing particles which will absorb light wavelengths complementary to the interference-reinforced reflection color of the iridescent pigment. The system does not require organic dyes in the final image, which is highly light-stable, and uses much smaller amounts of silver than conventional black and white photography.

Abstract: A photographic reversal process is provided in which the photographic material is treated with a potential fogging agent in the preliminary bath preceding the color development bath in such a manner as to obviate the disadvantages of known chemical fogging agents.