Agfa-gevaert Ag

Agfa-gevaert Aktiengesellshcaft

Agfa Gevaert Nv

Kaspar Wingender

Immo Boie

Manfred Peters

Gunther Schenk

Thomas Kaluschke

Gunter Helling

Wolfgang Himmelmann

Carlhans Suling

Wolfgang Schmidt

Klaus Walz

Markus Geiger

Beate Weber

Jorg Hagemann

Manfred Beck

Hans Vetter

Hans Hlschlager

Sieghart Klotzer

Manfred Becker

Holger Ohst

Karl Frank

A process for the production of a photographic image, in particular an ID card, using a color photographic silver halide material on a reflective support having a zone I in which information is recorded in the form of a colored image and a zone II in which data readable by infra-red light are recorded, comprising the following processing steps:

Process for the production of a photographic image

A chromogenic process for the production of color images using, a color photographic recording material with at least one light-sensitive silver halide emulsion layer to which are assigned a thermosolvent, a color coupler and a color developer compound, and optionally further non light-sensitive layers, by exposure and development in an aqueous alkaline treatment bath (activator bath), characterised by the following features (a) and (b):

Chromogenic process for the production of color images using a color

A color photographic material with at least one silver halide emulsion layer which contains a color coupler distributed in a polymeric oil former and at least one compound of the formula (I) ##STR1## in which R means alkyl, cycloalkyl, alkenyl, aryl, acyl, alkylsulphonyl or arylsulphonyl,

Color photographic silver halide material

A color photographic recording material comprising at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler and, optionally, a silver halide emulsion layer with no color coupler, of which the silver halide coatings together, expressed as AgNO.sub.3, amount to no more than 0.8 g/m.sup.2 and of which the silver halides have a silver chloride component of at least 95 mol-%, characterized in that the silver halide coating of a silver halide emulsion layer containing a color coupler together with the silver halide coating of the silver halide emulsion layer with no color coupler, expressed as AgNO.sub.3, is from 0.2 to 0.6 g/m.sup.2 and the silver halide coating of all the other silver halide emulsion layers, expressed as AgNO.sub.3, amounts to no more than 0.2 g/m.sup.2, can be processed in a development/intensification process.

Color photographic recording material

Dye diffusion images can be produced by a rapid process in which a first sheet material which contains at least one light sensitive silver halide emulsion on a layer support and at least one color producing compound capable of releasing a diffusible dye on development and/or a second, light insensitive sheet material containing a layer of binder in which is incorporated a salt of a weakly acidic organic compound and a strong organic base is or are moistened with an aqueous liquid and the two sheet materials are then heated to 40.degree.-120.degree. C. with their coated surfaces in contact and subsequently separated.

Dye diffusion process with base precursor salts of strong organic bases

A heat developable color photographic recording material is improved in its D.sub.min /D.sub.max ratio and sensitivity if it contains a silver halide emulsion in which the grains have at least three zones differing in their silver halide composition.

Color photographic recording material developable by heat

Water-soluble substantially non-hardening aldehydes or water-soluble substantially non-hardening aldehyde precursor compounds are suitable as fog-reducing compounds for the photographic dye diffusion transfer process in which an imagewise-exposed color photographic recording material containing light-sensitive silver salt and a non-diffusing dye-releasing compound in at least one binder layer arranged on a layer support, is developed, preferably under the effect of heat, to produce a diffusible dye image and in which the diffusible dye image is transferred to an image receptor layer.

Photographic dye diffusion transfer process and color photographic

Process for the production of color images by the color photographic dye diffusion process in which development is brought about by heat and water. The combination of antifoggants added to the light-sensitive material, in particular the combination of compounds of formulae I and II, produces a marked improvement in storage stability and constancy of sensitivity with good D.sub.min /D.sub.max ratios. ##STR1## R.sup.1 denotes hydrogen, alkyl with up to 6 carbon atoms, hydroxy, halogen, alkoxy or substituents which together form a condensed benzene ring, and in formula II below: ##STR2## R.sup.2 denotes a group which can be split off in the process of development of the material and

Color photographic heat development process

Dye releasing compounds which release dyes corresponding to formula I ##STR1## wherein R.sup.1 denotes alkyl, aryl, arylamino, alkoxy or aryloxy,

Colour photographic recording material containing a dye releasing

In a color photographic recording material for the dye diffusion transfer process a transparent layer support, a light sensitive element, a light-reflecting opaque layer and an image-receiving layer form in that order a non-disconnectable assembly of layers and the light-sensitive element contains at least one silver halide emulsion layer and associated therewith an electron donor compound and a non-diffusing reducible color-providing compound that when reduced liberates a diffusible dye under alkaline development conditions. The material provides 'development control on viewing' when the first part, e.g. about 2 minutes, of total development is conducted in dark and is completed at ambient light.

Color photographic recording material for the production of colored

As mordant for mordanting diffusing anionic dyes in image receiving layers of photographic dye diffusion materials the invention makes use of addition polymers having at least 10 mole % of recurring structural units of formula I ##STR1## in which Q represents nitrogen or phosphorus;

Growing community of inventors

Leverkusen, Germany

Kaspar Wingender