公开(公告)号：US3625685A

公开(公告)日：1971-12-07

申请号：US3625685D

申请日：1971-02-26

Applicant: POLAROID CORP

Inventor： AVTGES JAMES A ,  REID JEROME L ,  TAYLOR LLOYD D ,  SCHLEIN HERBERT N

IPC: G03C8/52 ,  G03C1/04 ,  G03C5/54 ,  G03C7/00

CPC classification number: G03C8/52

Abstract: DIFFUSION TRANSFER PHOTOGRAPHIC PRODUCTS COMPRISING A SUPPORT CARRYING AT LEAST TWO SELECTIVELY SENSITIZED SILVER HALIDE EMULSION LAYERS, EACH HAVING A DYE WHICH IS A SILVER HALIDE DEVELOPING AGENT OF PREDETERMINED COLOR ASSOCIATED THEREWITH, AND A LAYER INTERMEDIATE THE EMULSION LAYERS COMPRISING A DYE IMPERMEABLE COALSCED ESSENCE OF AN AQUEOUS FILM-FROMING POLYMER DISPERSION AND A PROCESSING COMPOSITION PERMEABLE MATERIAL ASSOCIATED THEREWITH AND ADAPTED TO RENDER SAID LAYER PERMEABLE TO SOLUBILIZED DYE IMAGE-FORMING MATERIAL SUBSQUENT TO BEING CONTACTED WITH PROCESSING COMPOSITION.