Color photographic silver halide emulsions of different developing speed one layer having a dir coupler

Claim 2

A photographic camera speed element capable of recording images, said element comprising a support having coated thereon:

Claim 3

a second light-sensitive hydrophilic colloid layer sensitive to at least one region of said actinic spectrum that is different from the region of said actinic spectrum to which the said first light-sensitive layer is sensitive, said second layer comprising a finer grained and more rapidly developing silver halide emulsion than the emulsion in the said first light-sensitive layer, and contiguous to the silver halide grains of said emulsion in the said second light-sensitive layer, a colorless nondiffusible development inhibitor-releasing thioether coupler that reacts with an oxidized primary aromatic amine color developer to form a nondiffusing dye having a different color than the dye formed by the coupler in the said first light-sensitive layer and a diffusible mercaptan development inhibiting agent, said inhibitor having substantially no development inhibiting effect on the silver halide development in the said second light-sensitive layer but produces a substantial inhibition of the development of the silver halide in the said first light-sensitive layer during color development of said element with a primary aromatic amine color developer.

Claim 4

a second light-sensitive hydrophilic colloid layer comprising a camera speed coarse grain silver bromoiodide emulsion sensitive to a second region of the visible spectrum that is different from the said first region to which the said silver chlorobromide emulsion is sensitive and contiguous to silver bromoiodide grains in the said emulsion in (2), a colorless nondiffusible coupler selected from the class consisting of a 5-pyrazolone, a phenol, a naphthol and an open-chain coupler that forms upon reaction with oxidized primary aromatic amine, a nondiffusing dye having a color that is different from the color of the dye formed in the said first light-sensitive layer, the said coarse grain silver bromoiodide emulsion having a development induction period such that sufficient development inhibitor released by development in the said first light-sensitive layer diffuses into the said second light-sensitive layer before any lAtent image in the said silver bromoiodide emulsion starts to develop and substantially inhibits development of said latent image in areas corresponding to the nondiffusible dye formed in the said first light-sensitive layer, and

Claim 5

a second light-sensitive hydrophilic colloid layer comprising a fine grain rapidly developing silver chlorobromide emulsion sensitive to a region of the visible spectrum that is different from the region to which the said silver bromoiodide emulsion is sensitive and contiguous to the said silver chlorobromide emulsion, a colorless nondiffusible DIR coupler that forms upon color development a nondiffusible dye having a color that is different from the color of the dye formed in the said first light-sensitive layer and a diffusible development inhibiting agent which has substantially no development inhibiting effect on the said silver chlorobromide emulsion but which produces a substantial inhibition of the development of the said silver bromoiodide emulsion in the said first light-sensitive layer during color development, said DIR coupler having the formula: ZCp wherein Z is selected from the group consisting of a 2-benzotriazolyl group, a 2-naphthotriazolyl group, a 2-aminoarylazoxy group, a 2-amidoarylazoxy group and a monothio radical; and Cp is a photographic color-forming coupler having substituted in its coupling position, the said Z substituent.

Claim 6

a second light-sensitive hydrophilic colloid layer comprising a green-sensitized fine grain rapidly developing gelatino silver bromoiodide emulsion and the cyan dye-forming DIR coupler, 2- Alpha -(3-pentadecylphenoxy)-butyramido)-4-(1-phenyl-5-tetrazolylthio)-5 -meThoxyphenol.

Claim 7

a second light-sensitive hydrophilic colloid layer comprising a green-sensitized fine grain rapidly developing gelatino silver bromoiodide emulsion and the magenta dye-forming DIR coupler, 1-(4-( gamma -2,4-di-tert-amylphenoxybutyramido)phenyl)-3-ethoxy-4-(1-phenyl-5 -tetrazolylthio)-5-pyrazolone.

Claim 8

a second light-sensitive hydrophilic colloid layer comprising a green-sensitized fine grain rapidly developing gelatino silver bromoiodide emulsion and the cyan dye-forming DIR coupler, 1-hydroxy-4-(1-phenyl-5-tetrazolylthio)-2''-tetradecyloxy-2-naphthanilide.

Claim 9

a gelatin layer containing dioctyl hydroquinone and

Claim 10

a second light-sensitive hydrophilic colloid layer comprising a green-sensitized fine grain rapid developing gelatino silver bromoiodide emulsion and the magenta dye-forming DIR coupler, 1-phenyl-3-pentadecyl-4-(1-phenyl-5-tetrazolylthio)-5-pyrazolone.

Claim 11

contacting the said photographic element with an aqueous alkaline solution containing a primary aromatic amine color developing agent to develop a silver and dye image of the said second latent image in the second light-sensitive layer and to subsequently produce a differently colored dye image and a silver image of those areas of the said first latent image in the first light-sensitive layer which do not correspond to the said dye and silver image in the said second light-sensitive layer and producing substantially no visible image reproduction of any latent image in the first light-sensitive layer corresponding to the said dye and silver image in the said second light-sensitive layer.

Claim 12

a second light-sensitive hydrophilic colloid layer comprising a green-sensitized fine grain rapidly developing gelatino silver bromoiodide emulsion and the magenta dye-forming DIR coupler, 1-(4-( Alpha -2,4-di-tert-amylphenoxybutyramido)phenyl)-3-ethoxy-4-(1-phenyl-5 -tetrazolythio)-5-pyrazolone.

Claim 13

a third light-sensitive hydrophilic colloid layer comprising a fine grain rapidly developing silver chlorobromide emulsion sensitive to a third region of the visible spectrum and contiguous to silver chlorobromide grains in the emulsion in this layer, a second colorless nondiffusible development inhibitor releasing coupler that forms upon reaction with oxidized primary aromatic amine color-developing agent during color development, a nondiffusible dye having a color that is different from the color of the dyes formed in the said first and said second light-sensitive layers, and a diffusible development inhibiting agent which has substantially no effect on the development of the silver chlorobromide in the said third light-sensitive layer but which substantially inhibits development of any latent image in the said second light-sensitive layer in areas corresponding to the nondiffusible dye formed in the said third light-sensitive layer.

Claim 14

A photographic Element of claim 2 in which the colorless nonidffusible development inhibitor-releasing thioether coupler reacts with an oxidized primary aromatic amine color developing agent to form a nondiffusing dye and a diffusible phenylmercaptotetrazole development inhibiting agent.

Claim 15

A photographic element of claim 2 in which the colorless nondiffusible development inhibitor-releasing thioether coupler reacts with an oxidized primary aromatic amine color developing agent to form a nondiffusing dye and a diffusible phenylmercaptotetrazole development inhibiting agent, and in which the said first light-sensitive hydrophilic colloid layer is coated as the first light-sensitive layer on the said support and the said second light-sensitive hydrophilic colloid layer is coated over the said first light-sensitive hydrophilic colloid layer.

Claim 16

A photographic element of claim 2 in which the colorless nondiffusible development inhibitor-releasing thioether coupler reacts with an oxidized primary aromatic amine color developing agent to form a nondiffusing dye and a diffusible phenylmercaptotetrazole development inhibiting agent, and in which the said first light-sensitive layer and the said second light-sensitive layer are coated so that the said second light-sensitive layer is nearest the support and between the support and the said first light-sensitive layer.

Claim 17

A photographic element of claim 2 in which the support is a transparent support and in which the first light-sensitive hydrophilic colloid layer and the second light-sensitive hydrophilic colloid layers are separated by a hydrophilic colloid layer containing a bleachable blue light-absorber.

Claim 18

A photographic element of claim 2 in which the said first light-sensitive layer contains a blue-sensitive silver bromoiodide emulsion and the said second light-sensitive layer contains a green-sensitized silver chlorobromide emulsion.

Claim 19

A photographic element of claim 2 in which the said first light-sensitive layer contains a green-sensitized silver bromoiodide emulsion and the said second light-sensitive layer contains a blue-sensitive silver chlorobromide emulsion.

Claim 20

A photographic element of claim 2 in which the said first light-sensitive layer contains a blue-sensitive silver bromoiodide emulsion and the said second light-sensitive layer contains a red-sensitized silver chlorobromide emulsion.

Claim 21

A photographic element comprising a support coated in succession on one side with:

Claim 22

A photographic element comprising a support coated in succession with:

Claim 23

A photographic element of claim 11 in which the said DIR coupler has the formula: ZCp wherein Z represents a -SD'' group in which D'' is a heterocyclic radical having 1 to 4 heteronitrogen atoms, said radical being incapable of forming a dye with oxidized aromatic primary amine color developing agents.

Claim 24

A photographic element comprising a support coated in succession with:

Claim 25

A photographic element comprising a support coated in succession with:

Claim 26

A photographic element comprising a support coated in succession with:

Claim 27

A photographic element comprising a support coated in succession with:

Claim 28

A photographic element comprising a support coated in succession with:

Claim 29

A process for color developing substantially all of a second latent image in a second light-sensitive silver halide emulsion layer of a photographic element and developing only those parts of a first latent image in a first light-sensitive silver halide emulsion layer of the said photographic element that are not superposed by the visible image reproduction of the said second latent image in which the said element comprises a support coated with: (a) the said first light-sensitive hydrophilic colloid layer containing a coarse grain camera speed silver halide emulsion and (b) the said second light-sensitive hydrophilic colloid layer comprising a fine grain rapidly developing silver halide emulsion and a nondiffusing DIR coupler that forms upon color development a nondiffusing dye in the said second light-sensitive layer and releases a diffusible development inhibitor, said process comprising the step of contacting the said photographic element with an aqueous alkaline color developer solution so that the latent image in the said second light-sensitive layer is rapidly converted into a silver and dye image and releases a corresponding image-wise pattern of development inhibitor, the said inhibitor having substantially no effect on image formation in the said second light-sensitive layer, and allowing the unused color developer solution containing the said imagewise pattern of development inhibitor to diffuse from the said second light-sensitive layer into and through the said first light-sensitive layer causing development of the said first latent image therein to a visible image only in areas outside the said image-wise pattern of development inhibitor and producing no visible image from any latent image in the said first light-sensitive layer between the said dye and silver image in the said second light-sensitive layer and the said support.

Claim 30

A process for recording two separate, differently colored light images as two different latent images, a first latent image in a first light-sensitive layer and a second latent image in a second light-sensitive layer in a photographic element and reproducing all of the said second latent image as a visible image and those parts of the said first latent image that are not superposed by the visible image reproduction of the said second latent image, the said process comprising the steps of: