Color photographic silver halide negative imaging process and material comprising tabular silver halide grains, development inhibitor releasing compounds and distributed dyes

Claim 2

A color negative photographic recording material comprising a support bearing: at least one photographic layer comprising a sensitized tabular grain silver halide emulsion having an average aspect ratio greater than about 8; an image dye forming coupler; at least one color dye forming development inhibitor releasing coupler; and at least one distributed dye that absorbs light in the region of the spectrum to which said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 is sensitized wherein; the quantity of said at least one distributed dye is such as to reduce the sensitivity of said at least one photographic layer containing said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 by at least 20%; and the quantity of said at least one development inhibitor releasing compound being greater than about 0.07 mole percent relative to the total quantity of sensitized silver halide emulsion in said at least one photographic layer and with the proviso that said high aspect ratio tabular grain emulsion and said color dye forming development inhibitor releasing coupler are in reactive association and said development inhibitor released by said color dye forming development inhibitor releasing coupler changes in structure and effect as a result of photographic processing.

Claim 3

A material according to claim 1 wherein said sensitized tabular grain silver halide emulsion has an aspect ratio greater than about 10.

Claim 4

A material according to claim 1 wherein the quantity of said at least one distributed dye is such as to reduce the sensitivity of said at least one photographic layer containing said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 by at least 25%.

Claim 5

A material according to claim 1 wherein the quantity of all development inhibitor releasing compounds is between about 0.10 mole percent and 5 mol percent relative to the total quantity of sensitized silver halide emulsion.

Claim 6

A material according to claim 1 wherein said high aspect ratio tabular grain emulsion and said color dye forming development inhibitor releasing coupler are in the same light sensitive layer.

Claim 7

A material according to claim 1 comprising a red light sensitive color record comprising at least one red light sensitive silver halide emulsion and at least one cyan dye forming image coupler, a green light sensitive color record comprising at least one green light sensitive silver halide emulsion and at least on magenta dye forming image coupler and a blue light sensitive color record comprising at least one blue light sensitive silver halide emulsion and at least one yellow dye forming image dye forming coupler all on the same side of said support.

Claim 8

A material according to claim 6 wherein at least one of said color records comprises two or three light sensitive layers differing in sensitivity.

Claim 9

A material according to claim 6 wherein said sensitized tabular grain silver halide emulsion is located in the most light sensitive layer of said red light sensitive color record, green light sensitive color record, blue light sensitive color record.

Claim 10

A material according to claim 1 comprising a total silver content of between about 1 and 10 grams per square meter of light sensitive silver in said material.

Claim 11

A material according to claim 1 wherein said sensitized tabular grain silver halide emulsion having an average aspect ratio greater than about 18 is sensitive to a portion of the electromagnetic spectrum chosen from red light, green light or blue light.

Claim 12

A process of forming a color negative image comprising providing an imagewise exposed color photographic recording material comprising a support bearing: at least one photographic layer comprising a sensitized tabular grain silver halide emulsion having an average aspect ratio greater than about 8; an image dye forming coupler; at least one color dye forming development inhibitor releasing coupler; at least one distributed dye that absorbs light in the region of the spectrum to which said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 is sensitized; contacting said recording material with color developing agent to reduce developable silver halide and oxidize said color developing agent, the oxidized color developing agent in turn reacting with said color dye forming development inhibitor releasing coupler to yield a dye; forming a color negative image; wherein the quantity of said at least one distributed dye being such as to reduce the sensitivity of said at least one photographic layer containing said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 by at least 20%; and the quantity of said at least one development inhibitor releasing compounds being greater than about 0.07 mole percent relative to the total quantity of sensitized silver halide emulsion in said at least one photographic layer with the proviso that said high aspect ratio tabular grain emulsion and said color forming development inhibitor releasing coupler are in reactive association and said color forming development inhibitor releasing coupler changes in structure and effect as a result of photographic processing.

Claim 13

A process of forming a color negative image comprising providing an imagewise exposed color photographic recording material comprising a support bearing: at least one photographic layer comprising a sensitized tabular grain silver halide emulsion having an average aspect ratio greater than about 8; an image dye forming coupler; at least one color dye forming development inhibitor releasing coupler; at least one distributed dye that absorbs light in the region of the spectrum to which said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 is sensitized; contacting said recording material with color developing agent to reduce developable silver halide and oxidize said color developing agent, the oxidized color developing agent in turn reacting with said color dye forming development inhibitor releasing coupler to yield a dye; forming a color negative image; wherein the quantity of said at least one distributed dye being such as to reduce the sensitivity of said at least one photographic layer containing said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 by at least 20%; and the quantity of said at least one development inhibitor releasing compounds being greater than about 0.07 mole percent relative to the total quantity of sensitized silver halide emulsion in said at least one photographic layer with the proviso that said high aspect ratio tabular grain emulsion and said color forming development inhibitor releasing coupler are in reactive association and said color forming development inhibitor releasing coupler changes in structure and effect as a result of photographic processing.

Claim 14

A process according to claim 11 comprising contacting said recording material with a bleach, a fixer, or a bleach fixer.

Claim 15

A process according to claim 11 wherein said sensitized tabular grain silver halide emulsion has an aspect ratio greater than about 10.

Claim 16

A process according to claim 11 wherein the quantity of said at least one distributed dye is such as to reduce the sensitivity of said at least one photographic layer containing said sensitized tabular grain silver halide emulsion having an aspect ratio greater than about 8 by at least 25%.

Claim 17

A process according to claim 11 wherein the quantity of all development inhibitor releasing compounds is between about 0.10 mole percent and 5 mol percent relative to the total quantity of sensitized silver halide emulsion.

Claim 18

A process according to claim 11 wherein said color developing agent is a paraphenylene diamine color developing agent.

Claim 19

A process according to claim 11 wherein the material comprises a red light sensitive color record comprising at least one red light sensitive silver halide emulsion and at least one cyan dye forming image coupler, a green light sensitive color record comprising at least one green light sensitive silver halide emulsion and at least one magenta dye forming image coupler and a blue light sensitive color record comprising at least one blue light sensitive silver halide emulsion and at least one yellow dye forming image dye forming coupler all on the same side of said support.

Claim 20

A process according to claim 17 wherein at least one of said red light sensitive color record, green light sensitive color record, blue light sensitive color record comprises two or three light sensitive layers differing in sensitivity.

Claim 21

A process according to claim 18 wherein said sensitized tabular grain silver halide emulsion is located in the most light sensitive layer of said red light sensitive color record, green light sensitive color record, blue light sensitive color record.

Claim 22

A process according to claim 11 wherein said recording material comprises a total silver content between about 1 and 10 grams per square meter of light sensitive silver in said material.

Claim 23

A process according to claim 11 wherein said sensitized tabular grain silver halide emulsion having an average aspect ratio greater than about 8 is sensitive to a portion of the electromagnetic spectrum chosen from red light, green light or blue light.