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    • 2. 发明授权
    • Photographic reversal process using a color developing agent in the
black-and-white developer
    • 在黑白显影剂中使用彩色显影剂的照相反转方法
    • US5006439A
    • 1991-04-09
    • US434414
    • 1989-11-13
    • Ubbo WernickeHerbert Mitzinger
    • Ubbo WernickeHerbert Mitzinger
    • G03C5/30G03C5/305G03C5/50G03C7/407G03C7/413
    • G03C7/4136G03C5/305G03C5/50
    • A photographic reversal process for the production of positive photographic images by imagewise exposure of the photosensitive material containing at least one silver halide emulsion layer, black-and-white first development of the material, chemical fogging, color development and bleaching, fixing, washing or stabilizing and drying, in which the material is transferred from the first development to the color development without any intermediate steps, such as intermediate washing or diffuse second exposure, the first development bath exclusively contains one or more N,N-dialkyl-p-phenylenediamine derivatives as developer and a tin(II) complex compound and is adjusted to a pH value of 10, requires considerably less time than the conventional process but produces equivalent results.
    • 通过图像曝光含有至少一种卤化银乳剂层的感光材料,黑白色材料的首次开发,化学雾化,显色和漂白,定影,洗涤或 稳定和干燥,其中材料从第一显影转移到显色而没有任何中间步骤,例如中间洗涤或漫反射第二次曝光,第一显影浴仅含有一种或多种N,N-二烷基对苯二胺 衍生物作为显影剂和锡(II)络合物,并调节至pH值<8,显色浴同样完全含有一种或多种作为显影剂的N,N-二烷基对苯二胺衍生物,并调节至pH 值> 10,所需时间比传统方法要少得多,但产生相当的结果。
    • 3. 发明授权
    • Overflow-free color photographic development system
    • 无溢彩彩色摄影开发系统
    • US4997749A
    • 1991-03-05
    • US290351
    • 1988-12-27
    • Ubbo WernickeHerbert Mitzinger
    • Ubbo WernickeHerbert Mitzinger
    • G03C7/413
    • G03C7/413
    • True-to-type development without any overflow is achieved with a developer solution system of a refill solution and--replenished therewith--a ready-to-use developer solution which contains the following constituents in the quantities indicated per liter aqueous solution and, optionally, other typical consituents:3-15 g of the following color developer compound ##STR1## or a corresponding quantity of salts thereof, 8-35 g PO.sub.4.sup.3 ions,at least 0.2 g antioxidant and2.1-4.2 g KBrand which is adjusted to a pH value of 10.5 to 12.5, the regeneration quota amounting to between 50 and 120 ml/m.sup.2 developed material and the refill solution containing the individual constituents in a such a concentration that, for the above-mentioned regeneration quota, the in-use developer solution always contains the constituents shown above in the quantities indicated.
    • 使用再填充溶液的显影剂溶液体系实现无任何溢出的真实型开发,并用其补充 - 即用型显影剂溶液,其包含以每升水溶液指示的量的以下组分,以及任选地, 其他典型的成分:3-15g下列显色剂化合物或其相应量的盐,8-35g PO43离子,至少0​​.2g抗氧化剂和2.1-4.2g KBr,并将其调节至pH 值为10.5至12.5,再生配额为50至120ml / m2的显影材料和含有各个组分的再填充溶液,其浓度使得对于上述再生配额,使用中的显影剂溶液总是 含有上述显示的成分。