Sheet material containing a liquid for processing a silver halide layer

Claim 1

A STORABLE, EXTERNALLY DRY PRODUCT FOR DEVELOPING A PHOTOSENSITIVE SILVER HALIDE ELEMENT, SAID PRODUCT COMPRISING A LIQUID LAER INCLUDING A LIQUID HAVING DISPERSED THEREIN A THICKENING AGENT FOR SUBSTANTIALLY INCREASING THE VISCOSITY THEREOF AND AT LEAST ONE PHOTOGRAPHIC REAGENT FROM THE CLASS CONSISTING OF THE SILVER HALIDE DEVELOPERS AND THE SILVER HALIDE SOLVENTS, AND LIQUID LAYER CONTAINING IN EACH UNIT AREA THEREOF AN AMOUNT FOR PROCESSING AN EQUIVALENT UNIT AREA EFFECTIVE FOR PROCESSING AN EQUIVALENT UNIT AREA OF A PHOTOSENSITIVE SILVER HALIDE ELEMENT, A P AIR OF SOLID LAYERS HALIDE ELEMENT, A PAIR LIQUID LAYER AND SUPERPOSED ON OPPOSITE SIDES THEREOF, SAID LIQUID IMPERVIOUS SOLOD LAYERS EXTENDING BEYOND THE MARGINS OF SAID LIQUID LAYER AND BEING SEALED TOGETHER ADJACENT SAID MARGINS TO FORM AN ENVELOPE FOR SAID LIQUID LAYER, SAID ENVELOPE HAVING A CAVITY FOR SAID LIQUID LAYER WHICH IS VERY THIN IN RELATION TO ITS LENGTH AND BREADTH AND WHICH IS CONTINUOUS IN A DIRECTION PERPENDICULAR TO ITS THICKNESS THROUGHOUT AN AREA AT LEAST EQUAL TO THE AREA OF THE SILVER HALIDE ELEMENT TO BE PROCESSED, ONE OF SAID LIQUID-IMPERVIOUS LAYERS BEING STRIPPABLE FROM THE REMAINDER OF SAID PRODUCT TO EXPOSE SUBSTANTIALLY THE ENTIRE AREA OF SAID THIN LAYER FOR DIRECT CONTACT WITH A PHOTOSENSITIVE SILVER HALIDE ELEMENT SAID CAVITY MAINTANING SAID LIQUID LAYER DISTRIBTED AS A THIN LAYER SO THAT NO REDISTRIBUTION OF THE LIQUID MASS OF SAID LIQUID LAYER, EITHER LENGTHWISE OR BREADTHWISE, IS REQUIRED TO RENDER SAID LIQUID LAYER EFFECTIVE TO PROCESS SAID ELEMENT. UPON THE REMOVAL OF SAID STRIPPABLE LAYER.