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1.发明授权Diffusion transfer photographic elements comprising 5-hydroxy-4-azabenzimidazole and a second azabenzimidazole,and processes for their use 失效包含5-羟基-4-氮杂苯并咪唑和第二AZABENZIMIDAZO的扩散转移摄影元件及其使用方法
公开(公告)号：US3687660A
公开(公告)日：1972-08-29
申请号：US3687660D
申请日：1970-10-15
Applicant: POLAROID CORP
Inventor： GONDOLFE JAMES D , SEANLAN RUTH , WARD JEANNE A
Abstract: A NOVEL COMBINATION OF AZEBENZIMIDAZOLES IS USED FOR THE PREVENTION OF FOG FORMATION IN DIFFUSION TRANSFER PHOTOGRAPHIC PROCESSES, WHICH COMBINATION RESULTS IN A DYNAMIC RANGE EXTENSION OF THE PHOTOGRAPHIC SYSTEM.
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2.发明授权Diffusion transfer dye developer processes and products employing ortho and para hydroxy and para amino substituted pyridines 失效使用ORTHO和PARA羟基和PARA氨基取代的吡啶的扩散转染染色体开发过程和产品
公开(公告)号：US3578448A
公开(公告)日：1971-05-11
申请号：US3578448D
申请日：1968-12-20
Applicant: POLAROID CORP
Inventor： BLOOM STANLEY M , WARD JEANNE A , SIMON MYRON S
CPC classification number: G03C8/08
Abstract: THE PRESENT INVENTION RELATES TO PHOTOGRAPHIC DIFFUSION TRANSFER DYE DEVELOPER PROCESSES EMPLOYING ORTHO AND PARA HYDROXY AND PARA AMINO SUBSTITUTED PYRIDINES AND FILM UNITS SPECIFICALLY ADAPTED FOR THE PREFORMANCE OF SUCH PROCESSES.
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