Process of forming images according to the silver complex diffusion transfer process

Claim 1

IN A PROCESS OF FORMING IMAGES ACCORDING TO THE SILVER COMPLEX DIFFUSION TRANSFER PROCESS BY THE STEPS COMPRISING IMAGE-WISE EXPOSING A LIGHT-SENSITIVE SILVER HALIDE MATERIAL, DEVELOPING SAID MATERIAL BY MEANS OF A DEVELOPING SOLUTION CONTAINING HYDROQUINONE AS A DEVELOPING AGENT AND A SULFITE PRESERVATIVE COMPOUND IN SUFFICIENT AMOUNT TO NORMALLY PRESERVE SAID HYDROQUINONE, KEEPING THE WET LIGHT-SENSITIVE MATERIAL IN CONTACT WITH AN IMAGERECEIVING MATERIAL IN THE PRESENCE OF A SOLVENT FOR SILVER HALIDE AND SEPARATING THE LIGHT-SENSITIVE AND IMAGE-RECEIVING MATERIALS FROM EACH OTHER, AND IN WHICH PROCESS THE SAID DEVELOPING SOLUTION IS REPEATEDLY USED FOR DEVELOPING FRESH MATERIAL, THE IMPROVEMENT OF INCORPORATING IN SAID IMAGE-RECEIVING MATERIAL AN ADDITIONAL AMOUNT OF HYDROQUINONE TOGETHER WITH A BISULFITE COMPOUND TO PRESERVE SAID ADDITIONAL HYDROQUINONE, SAID BISULFITE COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METABISULFITE, A WATER-SOLUBLE INORGANIC BISULFITE AND A WATERSOLUBLE ORGANIC BISULFITE.