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    Novel photographic products and processes
    1.
    发明授权
    Novel photographic products and processes 失效

    公开(公告)号：US3594165A

    公开(公告)日：1971-07-20

    申请号：US3594165D

    申请日：1970-05-22

    Applicant: POLAROID CORP

    Inventor： ROGERS HOWARD G

    IPC: G03C8/44 ,  G03C8/52 ,  G03D9/02 ,  G03C1/48 ,  G03C7/00

    CPC classification number: G03D9/025 ,  G03C8/44 ,  G03C8/52

    Abstract: THE PRESENT INVENTION RELATES TO PHOTOGRAPHY, PARTICULARLY, TO PHOTOGRAPHIC PRODUCTS SPECIFICALLY ADAPTED FOR EMPLOYMENT IN SPECIFIED PHOTOGRAPHIC DIFFUSION TRANSFER COLOR PROCESSES AND, MORE PARTICULARLY, TO PHOTOGRAPHIC PRODUCTS WHICH COMPRISE A COMPOSITE PHOTOSENSITIVE STRUCTURE CONTAINING, IN COMBINATION, A PHOTOSENSITIVE LAMINATE INCLUDING, AS ESSENTIAL LAYERS, IN SEQUENCE, A DIMENSIONALLY STABLE LAYER TRANSPARENT TO ACTINIC RADIATION; AN OPTIONAL POLYMERIC LAYER SUBSTANTIALLY TRANSPARENT TO INCIDENT RADIATION AND CONTAINING SUFFICIENT ACIDIFYING CAPACITY TO EFFECT REDUCTION OF A PROCESSING COMPOSITION HAVING A PH AT WHICH A SELECTED DYE IMAGE-FORMING MATERIAL IS DIFFUSIBLE TO A PH AT WHICH SUCH MATERIAL IS SUBSTANTIALLY NONDIFFUSIBLE; A POLYMERIC LAYER DYEABLE BY THE SELECTED DYE IMAGE-FORMING MATERIAL; A PROCESSING COMPOSITION PERMEABLE OPAQUE LAYER; AND A PHOTOSENSITIVE SILVER HALIDE LAYER HAVING ASSOCIATED THEREWITH A DYE IMAG-FORMING MATERIAL WHICH IS PROCESSING COMPOSITION DIFFUSIBLE, AS A FUNCTION OF THE POINT-TO-POINT DEGREE OF THE SILVER HALIDE LAYER''S EXPOSURE TO INCIDENT ACTINIC RADIATION; A TRANSPARENT DIMENSIONALLY STABLE SHEET SUPERPOSED SUBSTANTIALLY COEXTENSIVE THE SURFACE OF THE LAMINATE OPPOSITE THE DIMENSIONALLY STABLE TRANSPARENT LAYER; AND A RUPTURABLE CONTAINER RETAINING A PROCESSING COMPOSITION CONTAINING AN OPACIFYING AGENT POSITIONED EXTENDING TRANSVERSE A LEADING EDGE OF THE FILM UNIT TO EFFECT UNIDIRECTIONAL DISCHARGE OF THE CONTAINER''S CONTENTS INTERMEDIATE THE DIMENSIONALLY STABLE SHEET AND THE LAMINATE; AND TO SPECIFIED PHOTO-

    GRAPHIC DIFFUSION TRANSFER COLOR PROCESSES EMPLOYING SUCH PRODUCTS.

    Photographic color diffusion transfer process and film unit for use therein
    2.
    发明授权
    Photographic color diffusion transfer process and film unit for use therein 失效
    摄影彩色扩展传输过程及其使用的电影单元

    公开(公告)号：US3594164A

    公开(公告)日：1971-07-20

    申请号：US3594164D

    申请日：1970-05-22

    Applicant: POLAROID CORP

    Inventor： ROGERS HOWARD G

    IPC: G03C8/44 ,  G03C1/40 ,  G03C5/54 ,  G03C7/00

    CPC classification number: G03C8/44

    Abstract: TRANSPARENT SUPPORT AND BETWEEN THE LAMINATE AND SUPERPOSED SHEET; AND TO SPECIFIED COLOR DIFFUSION TRANSFER PROCESSES EMPLOYING SUCH FILM UNIT.

    THE PRESENT INVENTION RELATES TO A COMPOSITE PHOTOGRAPHIC DIFFUSION TRANSFER COLOR PROCESS FILM UNIT WHICH COMPRISES A PHOTOSENSITIVE LAMINATE INCLUDING A DIMENSIONALLY STABLE TRANSPARENT SUPPORT CARRYING A DYEABLE POLYMERIC LAYER, A PROCESSING COMPOSITION PERMEABLE OPAQUE LAYER, AND A PHOTOSENSITIVE SILVER HALIDE LAYER HAVING ASSOCIATED THERWITH, A DYE TRANSFER IMAGE-FORMING MATERIAL; A DIMENSIONALLY STABLE SHEET ADAPTED TO BE SUPERPOSED SUBSTANTIALLY COEXTENSIVE THE SURFACE OF THE LAMINATE OPPOSITE THE TRANSPARENT SUPPORT, AND A CONTAINER RETAINING A PROCESSING COMPOSITION ADAPTED TO DISCHARGE ITS CONTENTS ON THE SURFACE OF THE LAMINATE OPPOSITE THE

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