US3705802A Novel photographic processing compositions and improved processing using such compositions for preparing silver auxiliary and sound records
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基本信息:
- 专利标题： Novel photographic processing compositions and improved processing using such compositions for preparing silver auxiliary and sound records
- 专利标题（中）：新型摄影处理组合物和改进的处理方法，使用这些组合物制备银色辅助和声音记录
- 申请号：US3705802D 申请日：1971-12-17
- 公开(公告)号：US3705802A 公开(公告)日：1972-12-12
- 发明人： BAPTISTA JOHN L
- 申请人： EASTMAN KODAK CO
- 专利权人： Eastman Kodak Co
- 当前专利权人： Eastman Kodak Co
- 优先权： US20945171 1971-12-17
- 主分类号： G03C7/24
- IPC分类号： G03C7/24 ; G03C5/44
摘要：
NOVEL PHOTOGRAPHIC PROCESSING COMPOSITIONS FOR PREPARING SILVER AUXILIARY IMAGES AND SILVER SOUND TRACKS ARE PROVIDED WHICH CONTAIN A BALLASTED SILVER BLEACH INHIBITOR AND A SILVER ALIDE SOLVENT. ALSO PROVIDED ARE IMPROVED PROCESSES FOR PRODUCING A SILVER AUXILIARY IMAGE OR SILVER SOUND RECORD IN AN EXPOSED PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING COATED THEREON AT LEAST ONE PICTURE RECORDING PHOTOGRAHIC SILVER HALIDE LAYER AND AS THE LIGHT SENSITIVE LAYER OUTERMOST FORM THE SUPPORT AN AUXILIARY IMAGE-RECORDING SILVER HALIDE LAYER WHICH DOES NOT FORM AN IMAGE UPON IMAGE-FORMING EXPOSURE OF THE PICTURE RECORDING LAYER OR LAYERS WHICH COMPRISES (A) DEVELOPING A PICTURE RECORD COMPRISING SILVER AND DYE AND AN AUXILIARY OR SOUND RECORD COMPRISING SILVER, (B) CONTACTING THE AUXILIARY LAYER WHICH A BALLASTED SILVER BLEACH INHIBITOR TO ADSORB THE BLEACH INHIBITOR ONTO AT LEAST THE SILVER OF THE AUXILIARY LAYER ANC (C) REMOVING THE BLEACHABLE SILVER AND THE RESIDUAL SILVER HALIDE WHICH IMPROVEMENT COMPRISES CARRYING OUT STEP (B) IN THE PRESENCE OF A SILVER HALIDE SOLVENT.