Photographic element, composition and process

Claim 2

An element as in claim 1 wherein said stable metal-organic complex of a metal suitable for physical development is a stable complex of silver with a thiazoline-2-thione.

Claim 3

A photographic element as in claim 3 in which said metal-organic complex is a complex of silver with a 4-thiazoline-2-thione, and wherein said element has a pAg range of about 2.0 to about 10.

Claim 4

An element as in claim 1 wherein said metal-organic complex is a stable silver-5-carbethoxy-3-carboxymethyl-4-methyl-4-thiazoline-2-thione complex.

Claim 5

An element as in claim 1 wherein said metal-organic complex is a stable silver-organic complex of silver with a polymer containing sulfur as a ligand atom.

Claim 6

An element as in claim 1 which contains a layer sensitive to the red region of the spectrum, a layer sensitive to the green region of the spectrum and a layer sensitive to the blue region of the spectrum.

Claim 7

An element as in claim 1 which additionally contains a binder and a hardener for said binder.

Claim 8

An element as in claim 1 which additionally contains a photographic silver halide.

Claim 9

A photographic element as in claim 1 wherein said metal is silver and said element has a pAg range of about 2.0 to about 10.

Claim 10

A photographic element as in claim 1 wherein said metal is silver, said element has a pAg range of about 2.0 to about 10 and the molar ratio of the organic moiety to said metal in said metal-organic complex is about 0.2 to about 7.

Claim 11

In a photographic process comprising physical development of a latent image in a radiation-sensitive silver-dye complex which has the property of forming active sites for physical development upon exposure to radiation which has the property of forming active sites for physical development upon exposure to radiation, employing a source of metal for said physical development, the improvement comprising employing a stable source of metal for said physical development which is a stable metal complex of a metal suitable for physical development with a compound whiCh is: a thiazoline thione, a thiazolidine thione, a thiopyrimidine, a dithiocarbamate represented by the formula: ((V)) a thiourea derivative represented by the formula: ((VI)) a pseudothiohydantoin represented by the formula: (VIII)) an imidazolidine, an imidazoline, an isothiourea derivative represented by the formula: ((XI)) a mercaptocarboxylic acid, a mercaptoacetyl amide, an alkyne compound represented by the formula: ((XIV)) a hydroxyalkyl carboxylic acid, hydroxy heterocyclic carboxylic acid, a thiaalkyl compound represented by the formula: ((XVI)) X - S - Z a dithiaalkyl compound represented by the formula: ((XVII)) X -S - S - Z an oligothiaalkyl compound represented by the formula: ((XVIII)) X - S - Y-S -n Z'' oxalic acid, a phenylene dioxy dialkyl carboxylic acid, succinic acid, or a polymer containing a ligand atom having the property of complexing a metal suitable for physical development, wherein R1, R2, R4 and R5 are hydrogen, alkyl containing one to 20 carbon atoms, acyl containing one to five carbon atoms, aryl containing six to 30 carbon atoms, or atoms completing a five-or six-member heterocyclic ring; R15 is hydrogen, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or atoms completing a ring with R16; R16 is hydrogen, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or atoms completing a ring with R16; R16 is hydrogen, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or atoms completing a ring with R17; R17 is -O-R18, -S-R19, or an alkylene oxide polymer adduct or atoms completing a ring with R16, wherein R18, R19, R20, and R21 are each hydrogen, acyl containing one to five carbon atoms, or alkyl containing one to 20 carbon atoms; wherein Z or Z is a five- or six-member heterocyclic ring, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or acyl containing one to five carbon atoms; Z'' is Z or hydrogen; Y is alkylene containing one to five carbon atoms; n is 1 to 10.

Claim 12

A photographic process as in claim 12 comprising physical development of a latent image in an element which contains a layer sensitive to the red region of the spectrum, a layer sensitive to the green region of the spectrum, and a layer sensitive to the blue region of the spectrum.

Claim 13

A photographic process as in claim 12 wherein said metal is silver and said metal complex is a silver complex.

Claim 14

The process of claim 14 wherein the photographic process is a diffusion transfer process.

Claim 15

A photographic composition comprising a radiation-sensitive silver-dye complex and a stable source of metal for physical development of a latent image in said silver-dye complex, said stable source of metal being a stable metal-organic complex of a metal suitable for physical development with a compound which is: a thiazoline thione, a thiazolidine thione, a thiopyrimidine, a dithiocarbamate represented by the formula: ((V)) a thiourea derivative represented by the formula: a pseudothiohydantoin represented by the formula: ((VIII)) an imidazolidine, an imidazoline, an isothiourea derivative represented by the formula: ((XI)) a mercaptocarboxylic acid, mercaptoacetyl amide, an alkyne compound represented by the formula: ((XIV)) a hydroxyalkyl carboxylic acid, a hydroxy heterocyclic carboxylic acid, a thiaalkyl compound represented by the formula:((XVI) X - S - Z a dithiaalkyl compound represented by the formula: ((XVII) X- S - S - Z an oligothiaalkyl compound represented by the formula: ((XVIII)) X - S - Y-S -n Z '' oxalic acid, a phenylene dioxy dialkyl carboxylic acid, succinic acid, or a polymer containing a ligand atom having the property of complexing a metal suitable for physical development, wherein R1, R2, R4 and R5 are hydrogen, alkyl containing one to 20 carbon atoms, acyl containing one to five carbon atoms, aryl containing six to 30 carbon atoms, or atoms completing a five- or six-member heterocyclic ring; R15 is hydrogen, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or atoms completing a ring with R16; R16 is hydrogen, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or atoms completing a ring with R17; R17 is -O-R18, -S-R19, or an alkylene oxide polymer adduct or atoms completing a ring with R16 wherein R18, R19, R20 and R21 are each hydrogen, acyl containing one to five carbon atoms, or alkyl containing one to 20 carbon atoms; wherein Z or X is a five- or six-member heterocyclic ring, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or acyl containing one to five carbon atoms; Z'' is Z or hydrogen, Y is alkylene containing one to five carbon atoms; n is 1 to 10.

Claim 16

A photographic composition as in claim 16 wherein said metal-organic complex is a silver complex.

Claim 17

A photographic composition as in claim 16 wherein said metal-organic complex is a complex of silver with a 4-thiazoline-2-thione.

Claim 18

A photographic composition as in claim 16 wherein said metal is silver and said composition has a pAg range of about 2.0 to about 10. 20 A photographic composition as in claim 16 which additionally contains a photographic silver halide.

Claim 19

A physical developer composition comprising (a) a silver halide developing agent, and (b) a stable source of metal for physical development which is a stable metal organic complex of a metal suitable for physical development with a compound which is: a thiazoline thione, a thiazolidine thione, a thiopyrimidine, a dithiocarbamate represented by the formula: ((V)) a thiourea derivative represented by the formula:((VI)) a pseudothiohydantoin represented by the formula: ((VIII)) an imidazolidine, an imidazoline, an isothiourea derivative represented by the formula: ((XI)) a mercaptocarboxylic acid, a mercaptoacetyl amide, an alkyne compound represented by the formula; ((XIV)) a hydroxyalkyl carboxylic acid, a hydroxy heterocyclic carboxylic acid, a thiaalkyl compound represented by the formula:((XVI)) X - S - Z a dithiaalkyl compound represented by the formula: ((XVII))X - S - S - Z an oligothiaalkyl compound represented by the formula: ((XVIII)) X - S- Y-S -n Z'' oxalic acid, a phenylene dioxy dialkyl carboxylic acid, succinic acid, or a polymer containing a ligand atom having the property of complexing a metal suitable for physical development, wherein R1, R2, R4 and R5 are hydrogen, alkyl containing one to 20 carbon atoms, acyl containing one to five carbon atoms, aryl containing six to 30 carbon atoms, or atoms completing a five- or six-member heterocyclic ring; R15 is hydrogen, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or atoms completing a ring with R16; R16 is hydrogen, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or atoms completing a ring with R17; R17 is -O-R18, -S-R19, or an alkylene oxide polymer adduct or atoms completing a ring with R16 wherein R18, R19, R20 and R21 are each hydrogen, acyl containing one to five carbon atoms, or alkyl containing one to 20 carbon atoms; wherein Z or X is a five- or six-member heterocyclic ring, aryl containing six to 30 carbon atoms, alkyl containing one to 20 carbon atoms, or acyl containing one to five carbon atoms; Z'' is Z or hydrogen; Y is alkylene containing one to five carbon atoms; n is 1 to 10.

Claim 20

The physical developer composition of claim 21 wherein the composition is an alkaline solution.

Claim 21

A physical developer composition as in claim 21 wherein said metal complex is a silver complex.