Photographic material

Claim 2

A photographic recording material which contains at least one development accelerator in at least one silver halide emulsion layer or in a colloid layer adjacent to this layer, wherein the development accelerator is of the formula ##STR84## in which R 1 , R 2 and R 3 independently of one another are hydrogen, alkyl having 1 to 16 carbon atoms each or substituted or unsubstituted alkoxy having 1 to 18 carbon atoms each and R 2 additionally represents a radical of the formula ##STR85## in which R 1 and R 3 have the abovementioned meaning, R 4 is unsubstituted or substituted phenoxy or unsubstituted or substituted amino and R 5 is a radical of the formula ##STR86## in which R 1 , R 3 and R 4 have the abovementioned meanings and R 2 ' has the same meanings as R 1 and R 3 or R 5 represents hydrogen when R 2 is a radical of the formula ##STR87##

Claim 3

A photographic recording material according to claim 1, wherein the development accelerator is of the formula ##STR88## in which R 41 is a radical of the formula ##STR89## in which R 1 , R 2 ' and R 3 independently of one another are hydrogen, alkyl having 1 to 16 carbon atoms each or substituted or unsubstituted alkoxy having 1 to 18 carbon atoms each or a radical of the formula --NR.sub.6 R.sub.7, in which R 6 and R 7 independently of one another are alkyl having 1 to 24 carbon atoms each, cyclopentyl, cyclohexyl, unsubstituted or substituted phenyl or a radical of the formula ##STR90## in which R 1 , R 2 ' and R 3 have the above mentioned meanings or R 6 and R 7 , together with the nitrogen atom to which they are bonded, form radicals of the formulae ##STR91## which are substituted, at the further nitrogen atom, by a radical of formula ##STR92## in which R 1 , R 2 ' and R 3 have the abovementioned meanings, R 5 is a radical of the formula ##STR93## in which R 1 , R 2 ', R 3 and R 41 have the abovementioned meanings or R 5 represents hydrogen when R 2 is a radical of the formula ##STR94## wherein R 1 , R 3 and R 41 have the above mentioned meanings, R 2 is hydrogen, alkyl having 1 to 16 carbon atoms or substituted or unsubstituted alkoxy having 1 to 18 carbon atoms or a radical of the formula ##STR95## in which R 1 , R 3 and R 41 have the above mentioned meanings.

Claim 4

A photographic recording material according to claim 2, wherein the development accelerator is of the formula ##STR96## in which R 42 is a radical of the formula ##STR97## in which R 11 , R 21 ' and R 31 independently of one another represent hydrogen, alkyl having 1 to 12 carbon atoms each, or alkoxy which has 1 to 14 carbon atoms and which is unsubstituted or substituted by carbalkoxy having 2 to 5 carbon atoms or R 42 is a radical of the formula ##STR98## in which R 61 and R 71 independently of each other are alkyl having 1 to 18 carbon atoms each, cyclopentyl, cyclohexyl, phenyl substituted by alkyl having 1 to 8 carbon atoms or a radical of the formula ##STR99## in which R 11 , R 21 ' and R 31 have the abovementioned meanings or R 61 and R 71 , together with the nitrogen atom to which they are bonded, form radicals of the formulae ##STR100## which are substituted, at the further nitrogen atom, by a radical of the formula ##STR101## in which R 11 , R 21 ' and R 31 have the abovementioned meanings, R 21 has the same meanings as R 11 and R 31 and additionally represents a radical of the formula ##STR102## in which R 11 , R 31 and R 42 have the abovementioned meanings, and R 51 is a radical of the formula ##STR103## in which R 11 , R 21 ', R 31 and R 42 have the abovementioned meanings or R 51 is hydrogen or a radical of the formula ##STR104##

Claim 5

A photographic recording material according to claim 3, wherein the development accelerator is of the formula ##STR105## in which R 43 is a radical of the formula ##STR106## in which R 12 , R 22 ' and R 32 independently of one another are hydrogen, alkyl having 1 to 8 carbon atoms each or alkoxy which has 1 to 14 carbon atoms and which is unsubstituted or substituted by carbalkoxy having 2 or 3 carbon atoms or R 43 is a radical of the formula ##STR107## in which R 62 and R 72 independently of each other are alkyl having 1 to 12 carbon atoms each or a radical of the formula ##STR108## in which R 12 , R 22 ' and R 32 have the abovementioned meanings or R 62 and R 72 , together with the nitrogen atom to which they are bonded, form a radical of the formula ##STR109## which is substituted, at the further nitrogen atom, by a radical of the formula ##STR110## in which R 12 , R 22 ' and R 32 have the abovementioned meanings, R 22 has the same meaning as R 12 and R 32 and additionally represents a radical of the formula ##STR111## in which R 12 , R 32 and R 43 have the abovementioned meanings, and R 52 is a radical of the formula ##STR112## in which R 12 , R 22 ', R 32 and R 43 have the abovementioned meanings or R 52 is hydrogen when R 22 is a radical of the formula ##STR113##

Claim 6

A photographic recording material according to claim 4, wherein the development accelerator is of the formula ##STR114## in which R 44 is a radical of the formula ##STR115## in which R 13 , R 23 ' and R 33 independently of one another are hydrogen, alkyl having 4 to 8 carbon atoms each or alkoxy which has 1 to 14 carbon atoms and is unsubstituted or substituted by carbalkoxy having 2 or 3 carbon atoms or R 44 is a radical of the formula ##STR116## in which R 63 and R 73 independently of each other are alkyl having 1 to 8 carbon atoms each or a radical of the formula ##STR117## in which R 13 , R 23 ' and R 33 have the abovementioned meanings or R 63 and R 73 , together with the nitrogen atom to which they are bonded, form a radical of the formula ##STR118## which is substituted, at the further nitrogen atom, by a radical of the formula ##STR119## in which R 13 , R 23 ' and R 33 have the abovementioned meanings, R 23 has the same meaning as R 13 and R 33 and additionally represents a radical of the formula ##STR120## in which R 13 , R 33 and R 44 have the abvoementioned meanings and R 53 is a radical of the formula ##STR121## in which R 13 , R 23 ', R 33 and R 44 have the abovementioned meanings or R 53 is hydrogen when R 23 is a radical of the formula ##STR122##

Claim 7

A photographic recording material according to claim 5, wherein the development accelerator is of the formula ##STR123## in which R 45 is a radical of the formula ##STR124## in which R 14 and R 34 independently of each other are hydrogen or alkyl having 4 to 8 carbon atoms each and R 24 is hydrogen, alkyl having 4 to 8 carbon atoms each or alkoxy which has 1 to 14 carbon atoms and is unsubstituted or substituted by carbalkoxy having 2 or 3 carbon atoms or R 45 is a radical of the formula ##STR125## in which R 64 and R 74 independently of each other are alkyl having 1 to 8 carbon atoms each or a radical of the formula ##STR126## in which R 14 , R 24 and R 34 have the abovementioned meanings or R 64 and R 74 , together with the nitrogen atom to which they are bonded, form a radical of the formula ##STR127## which is substituted, at the further nitrogen atom, by a radical of the formula ##STR128## in which R 14 , R 24 and R 34 have the abovementioned meanings.

Claim 8

A photographic recording material which contains at least one development accelerator in at least one silver halide emulsion layer or in a colloid layer adjacent to this layer, wherein the development accelerator contains recurring units of the formula ##STR129## in which R 1 and R 2 independently of each other are alkyl having 1 to 12 carbon atoms each or phenyl which is unsubstituted or substituted by alkyl having 4 to 8 carbon atoms and R 3 and R 4 independently of each other are hydrogen or alkyl having 1 to 8 carbon atoms each, Z is oxygen or sulfur, n 1 is 0, 1 or 2 and n 2 is an integer from 1 to 100.

Claim 9

A photographic recording material which contains at least one development accelerator in at least one silver halide emulsion layer or in a colloid layer adjacent to this layer, wherein the development accelerator contains recurring units of the formula ##STR129## in which R 1 and R 2 independently of each other are alkyl having 1 to 12 carbon atoms each or phenyl which is unsubstituted or substituted by alkyl having 4 to 8 carbon atoms and R 3 and R 4 independently of each other are hydrogen or alkyl having 1 to 8 carbon atoms each, Z is oxygen or sulfur, n 1 is 0, 1 or 2 and n 2 is an integer from 1 to 100.

Claim 10

A photographic recording material which contains at least one development accelerator in at least one silver halide emulsion layer or in a colloid layer adjacent to this layer, wherein the development accelerator is of the formula ##STR130## in which T 1 is alkyl having 1 to 12 carbon atoms and T 2 is a radical of the formula ##STR131## or T 1 and T 2 are unsubstituted or substituted alkylene having 4 to 12 carbon atoms or form, together with the nitrogen atom to which they are bonded, radicals of the formulae ##STR132## which are substituted, at the further nitrogen atom, by a radical of the formula ##STR133## and T 3 , T 4 and T 5 independently of one another are hydrogen or alkyl having 1 to 12 carbon atoms each.

Claim 11

A photographic recording material which contains at least one development accelerator in at least one silver halide emulsion layer or in a colloid layer adjacent to this layer, wherein the development accelerator is of the formula ##STR130## in which T 1 is alkyl having 1 to 12 carbon atoms and T 2 is a radical of the formula ##STR131## or T 1 and T 2 are unsubstituted or substituted alkylene having 4 to 12 carbon atoms or form, together with the nitrogen atom to which they are bonded, radicals of the formulae ##STR132## which are substituted, at the further nitrogen atom, by a radical of the formula ##STR133## and T 3 , T 4 and T 5 independently of one another are hydrogen or alkyl having 1 to 12 carbon atoms each.

Claim 12

A photographic recording material according to claim 8, wherein the development accelerator is of the formula ##STR134## in which T 11 is alkyl having 1 to 6 carbon atoms, T 21 is a radical of the formula ##STR135## or T 11 and T 21 are a group of the formula --C(CH 3 ) 2 CH 2 CH 2 CH 2 C(CH 3 ) 2 -- or form, together with the nitrogen atom to which they are bonded, a radical of the formula ##STR136## which is substituted, at the further nitrogen atom, by a radical of the formula ##STR137## and T 3 , T 4 and T 5 independently of one another are hydrogen or alkyl having 1 to 12 carbon atoms each.

Claim 13

A photographic recording material according to claim 9, wherein the dvelopment accelerator is of the formula ##STR138## in which T 31 , T 41 and T 51 each are hydrogen or alkyl having 4 to 8 carbon atoms each and T 11 is alkyl having 1 to 6 carbon atoms and T 21 is a radical of the formula ##STR139## or T 11 and T 21 are a group of the formula --C(CH 3 ) 2 CH 2 CH 2 CH 2 C(CH 3 ) 2 -- or form, together with the nitrogen atom to which they are bonded, a radical of the formula ##STR140## which is substituted, at the further nitrogen atom, by a radical of the formula ##STR141## and T 31 , T 41 , and T 51 , have the abovementioned meanings.

Claim 14

A process for preparing photographic recording materials which contain on a support at least one silver halide emulsion layer or optionally a colloid layer adjacent to this emulsion layer, which comprises incorporating a development accelerator according to claim 1 into at least one of said layers of the photographic recording material.