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1.发明授权
公开(公告)号：US5340690A
公开(公告)日：1994-08-23
申请号：US32174
申请日：1993-03-15
摘要： According to the present invention there is provided a method for making a lithographic printing plate according to the DTR-process comprising the steps of:information-wise exposing an imaging element comprising on a support a silver halide emulsion layer and an image-receiving layer containing physical development nuclei anddeveloping said information-wise exposed imaging element with an alkaline processing liquid in the presence of developing agent(s) and silver halide solvent(s) characterized in that said silver halide solvents comprise a combination of (an) alkanolamine(s) and a thiosulfate wherein said thiosulfate is used in a total amount between 0.01% and 1% by weight in said alkaline processing liquid.
摘要翻译： 根据本发明，提供了根据DTR方法制备平版印刷版的方法，包括以下步骤：将包含在载体上的成像元件信息地曝光在卤化银乳剂层和含有 物理发育核，并在显影剂和卤化银溶剂存在下用碱性处理液显影所述信息曝光成像元件，其特征在于所述卤化银溶剂包含（a）链烷醇胺 ）和硫代硫酸盐，其中所述硫代硫酸盐在所述碱性处理液中的总量为0.01重量％至1重量％。
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2.发明授权
公开(公告)号：US5200294A
公开(公告)日：1993-04-06
申请号：US810150
申请日：1991-12-19
摘要： According to the present invention there is provided a method for making a lithographic printing plate according to the DTR-process comprising the steps of:information-wise exposing an imaging element comprising on a support a silver halide emulsion layer and an image-receiving layer containing physical development nuclei anddeveloping said information-wise exposed imaging element with an alkaline processing liquid in the presence of developing agent(s), silver halide solvent(s) and hydrophobizing agent(s) characterized in that said hydrophobizing agent(s) are present in said alkaline processing liquid in a total amount of at least 0.1 g/l and wherein at least one of said silver halide solvents is a compound corresponding to the following formula:Z--(R.sup.1 --S).sub.t --R.sup.2 --S--R.sup.3 --Y (I) wherein Z and Y each independently represents hydrogen, an alkyl group, an amino group, and ammonium group, a hydroxyl, a sulfo group, a carboxyl, an amino carbonyl or an aminosulfonyl, R.sup.1, R.sup.2 and R.sup.3 each independently represents an alkylene that may be substituted and optionally contain a oxygen bridge and t represents an integer from 0 to 10.
摘要翻译： 根据本发明，提供了根据DTR方法制备平版印刷版的方法，包括以下步骤：将包含在载体上的成像元件信息地曝光在卤化银乳剂层和含有 物理发育核，并在显影剂，卤化银溶剂和疏水化剂存在下用碱性处理液显影所述信息曝光成像元件，其特征在于所述疏水剂存在 在所述碱性处理液中的总量为至少0.1g / l，并且其中至少一种所述卤化银溶剂是对应于下式的化合物：Z-（R1-S）t-R2-S-R3- Y（I）其中Z和Y各自独立地表示氢，烷基，氨基和铵基，羟基，磺基，羧基，氨基羰基或氨基磺酰基，R1，R2和R3各自独立 ly表示可以被取代并且任选地含有氧桥的亚烷基，t表示0至10的整数。
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公开(公告)号：US5324622A
公开(公告)日：1994-06-28
申请号：US921088
申请日：1992-07-29
IPC分类号： G03C1/06 , G03C1/07 , G03C1/08 , G03C1/43 , G03C1/485 , G03C7/305 , G03C8/06 , G03C8/28 , G03F7/00 , G03F7/07 , G03C8/00 , G03C1/10
CPC分类号： G03C1/485 , G03C7/305 , G03C8/06 , G03F7/07 , G03C1/07 , G03C1/08 , G03C2001/03564 , G03C2007/3032 , Y10S430/156
摘要： The present invention provides a photographic material comprising on a support (i) photosensitive silver halide particles, (ii) substantially light insensitive silver salt particles having a speed at least a factor 10 less than said photosensitive silver halide particles under the same conditions of exposure and development of said photosensitive silver halide particles and (iii) a releasing compound capable of image-wise releasing under the conditions for image-wise development of said photosensitive silver halide to silver a chemical sensitizer, said chemical sensitizer rendering said substantially light insensitive silver salt particles developable. The present invention also provides a method for making an image therewith and a method for making a lithographic printing plate.
摘要翻译： 本发明提供一种照相材料，其包含在（i）感光卤化银颗粒的载体上，（ii）在相同的曝光条件下具有比所述感光卤化银颗粒少至少10倍的速度的基本上不敏感的银盐颗粒，以及 所述光敏卤化银颗粒的开发和（iii）能够在用于将感光卤化银成像显影至银化学敏化剂的条件下成像释放的释放化合物，所述化学增感剂使所述基本上不敏感的银盐颗粒 可开发的 本发明还提供了一种用于制作图像的方法和一种制备平版印刷版的方法。
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公开(公告)号：US5413897A
公开(公告)日：1995-05-09
申请号：US238047
申请日：1994-05-04
IPC分类号： G03C1/06 , G03C1/07 , G03C1/08 , G03C1/43 , G03C1/485 , G03C7/305 , G03C8/06 , G03C8/28 , G03F7/00 , G03F7/07 , G03C8/00 , G03C1/10
CPC分类号： G03C1/485 , G03C7/305 , G03C8/06 , G03F7/07 , G03C1/07 , G03C1/08 , G03C2001/03564 , G03C2007/3032 , Y10S430/156
摘要： The present invention provides a photographic material comprising on a support (i) photosensitive silver halide particles, (ii) substantially light insensitive silver salt particles having a speed at least a factor 10 less than said photosensitive silver halide particles under the same conditions of exposure and development of said photosensitive silver halide particles and (iii) a releasing compound capable of image-wise releasing under the conditions for image-wise development of said photosensitive silver halide to silver a chemical sensitizer, said chemical sensitizer rendering said substantially light insensitive silver salt particles developable. The present invention also provides a method for making an image therewith and a method for making a lithographic printing plate.
摘要翻译： 本发明提供一种照相材料，其包含在（i）感光卤化银颗粒的载体上，（ii）在相同的曝光条件下具有比所述感光卤化银颗粒少至少10倍的速度的基本上不敏感的银盐颗粒，以及 所述光敏卤化银颗粒的开发和（iii）能够在用于将感光卤化银成像显影至银化学敏化剂的条件下成像释放的释放化合物，所述化学增感剂使所述基本上不敏感的银盐颗粒 可开发的 本发明还提供了一种用于制作图像的方法和一种制备平版印刷版的方法。
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公开(公告)号：US5272041A
公开(公告)日：1993-12-21
申请号：US774190
申请日：1991-10-10
申请人： Ludo L. Van Rompuy
发明人： Ludo L. Van Rompuy
摘要： The present invention provides a method for obtaining a negative type lithographic printing plate comprising the steps of (i) image-wise exposing a diffusion transfer reversal imaging element comprising a direct positive silver halide emulsion that mainly forms an internal latent image and a layer containing physical development nuclei, (ii) fogging said image-wise exposed imaging element, (iii) developing said imaging element using a surface developer, (iv) transfering the undeveloped silver salts in the non-exposed areas to said layer containing physical development nuclei and (v) image-wise depositing said silver salts on said physical development nuclei in the presence of physical development restraining compound(s).
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