公开(公告)号：US06305283B1

公开(公告)日：2001-10-23

申请号：US09514146

申请日：2000-02-28

申请人： Eric Verschueren ,  Willem Cortens ,  Luc Wabbes ,  Guido Hauquier

发明人： Eric Verschueren ,  Willem Cortens ,  Luc Wabbes ,  Guido Hauquier

IPC分类号： B41N114

CPC分类号： B41N1/14 ,  B41C2201/06 ,  B41N6/00 ,  B41N6/02 ,  G03F7/092

摘要： According to the present invention there is provided an imaging element for making a lithographic printing plate, including on a first side of a flexible support a surface capable of being differentiated in oleophilic and oleophobic areas upon imaging and on a second side opposite to the first side a layer or a package of layers, characterized in that the layer or package of layers on the backside has a ratio of the squared value of the gravimetric water absorption (WA) in g/m2 over the mean roughness in &mgr;m greater than 20.

摘要翻译： 根据本发明，提供了一种用于制造平版印刷版的成像元件，该成像元件在柔性载体的第一侧具有在成像时能够在亲油性和疏油性区域中分化的表面，并且在与第一侧相反的第二侧上 一层或多层，其特征在于背面层或层包层的重量吸收光（WA）的平方值（g / m 2）之间的平均粗糙度大于20。

公开(公告)号：US5733703A

公开(公告)日：1998-03-31

申请号：US569425

申请日：1995-12-08

申请人： Jos Vaes ,  Luc Wabbes

发明人： Jos Vaes ,  Luc Wabbes

IPC分类号： G03C8/06 ,  G03C8/28 ,  G03C8/36 ,  G03F7/07 ,  G03C1/42 ,  G03C5/30

CPC分类号： G03F7/07 ,  G03C8/06

摘要： The present invention provides an imaging element comprising on a support in the order given a photosensitive layer comprising a silver halide emulsion and an image receiving layer containing physical development nuclei in water permeable relationship with said emulsion layer, characterized in that said imaging element comprises at least 50 mg/m.sup.2 of tetramethyl reductic acid and at least 100 mg/m.sup.2 of ascorbic acid. According to the present invention there is further provided a method for making a lithographic printing plate comprising the steps of image-wise exposing an imaging element as defined above and subsequently developing a thus obtained imaging element by an alkaline processing liquid in the presence of developing agent(s) and silver halide solvent(s).

摘要翻译： 本发明提供了一种成像元件，其特征在于，所述成像元件以包含卤化银乳剂的感光层和包含与所述乳剂层具有水可渗透关系的物理发育核心的图像接收层的顺序包含在支持体上，其特征在于，所述成像元件至少包括 50mg / m 2的四甲基还原酸和至少100mg / m 2的抗坏血酸。 根据本发明，还提供了一种制备平版印刷版的方法，包括以下步骤：成像曝光如上所述的成像元件，随后在显影剂存在下用碱性处理液显影如此获得的成像元件 和一种或多种卤化银溶剂。

公开(公告)号：US5518875A

公开(公告)日：1996-05-21

申请号：US412870

申请日：1995-03-29

申请人： Jos Vaes ,  Luc Wabbes

发明人： Jos Vaes ,  Luc Wabbes

IPC分类号： G03C5/08 ,  G03C1/015 ,  G03C1/035 ,  G03C1/09 ,  G03C8/06 ,  G03C8/32 ,  G03F7/07

CPC分类号： G03F7/07 ,  G03C1/015 ,  G03C1/09

摘要： The present invention provides a method for obtaining a photographic material by coating on a support at least one layer comprising at least one photosensitive silver halide emulsion wherein the silver halide crystals contain silver chloride for at least 60 mole %, silver bromide in a range from 5 mole % to 40 mole % and silver iodide in a range from 0 mole % to 1 mole %, characterized in that a water soluble iridium compound is added between the end of the physical ripening and the end of the chemical ripening to said silver halide emulsion at a pH between 4 and 6.5, at a pCl between -0.3 and 1 and at a ratio by weight of gelatin to silver halide, expressed as equivalent amount of silver nitrate between 0.05 and 0.5.

摘要翻译： 本发明提供一种通过在载体上涂覆至少一层包含至少一种感光卤化银乳剂的方法，其中卤化银晶体含有至少60摩尔％的氯化银，溴化银的浓度范围为5 摩尔％至40摩尔％，碘化银的摩尔比为0摩尔％至1摩尔％，其特征在于，在物理熟化结束和化学成熟结束之间加入水溶性铱化合物至所述卤化银乳剂 pH在4和6.5之间，pCI在-0.3和1之间，明胶与卤化银的重量比以0.05-0.5的硝酸银当量表示。

公开(公告)号：US5512412A

公开(公告)日：1996-04-30

申请号：US360089

申请日：1994-12-20

申请人： Jos Vaes ,  Luc Wabbes

发明人： Jos Vaes ,  Luc Wabbes

IPC分类号： G03F7/07 ,  G03F7/06 ,  G03F7/32 ,  G03C8/32

CPC分类号： G03F7/063

摘要： The present invention provides a method for making a lithographic printing plate according to the silver salt diffusion transfer process comprising the steps of:image-wise exposing an imaging element comprising on a support a photosensitive layer comprising a silver halide emulsion and an image receiving layer containing physical development nuclei,developing said imaging element in the presence of developing agent(s) and silver halide solvent(s) using an alkaline processing liquid andneutralizing a thus obtained developed imaging element using a neutralization liquid having a pH between 5 and 7 characterized in that said neutralization liquid contains a total concentration of phosphate ions between 0.2 mol/l and 0.4 mol/l.

摘要翻译： 本发明提供了一种根据银盐扩散转移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成像曝光，所述感光层包含卤化银乳剂和含有 物理发育核，在显影剂和卤化银溶剂的存在下使用碱性处理液显影所述成像元件，并使用pH为5至7的中和液中和如此获得的显影成像元件，其特征在于 所述中和液含有0.2mol / l和0.4mol / l之间的磷酸根离子的总浓度。

公开(公告)号：US5456999A

公开(公告)日：1995-10-10

申请号：US978085

申请日：1992-11-17

申请人： Jos Vaes ,  Luc Wabbes

发明人： Jos Vaes ,  Luc Wabbes

IPC分类号： G03C1/035 ,  G03C1/12 ,  G03C1/28 ,  G03C1/29 ,  G03C5/08 ,  G03C5/16 ,  G03C8/06 ,  G03C8/28 ,  G03F7/07 ,  G03C8/02

CPC分类号： G03C1/28 ,  G03C1/12 ,  G03C1/29 ,  G03C5/164 ,  G03F7/07 ,  B41C1/1008 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  Y10S430/145

摘要： The present invention provides a photographic material comprising a silver halide emulsion layer sensitized to light above 700 nm by means of an infrared sensitizing dye having a maximum absorption between 700 nm and 850 nm characterized in that said silver halide emulsion further comprises a red sensitizing dye of the cationic type having a maximum absorption between 600 nm and 700 nm. The thus obtained photographic material shows an increased sensitivity in the infrared region. The material can be used in as silver salt diffusion transfer process to prepare a lithographic printing plate.

摘要翻译： 本发明提供了一种照相材料，其包含通过在700nm和850nm之间具有最大吸收的红外线增感染料而对700nm以上的光敏感的卤化银乳剂层，其特征在于所述卤化银乳剂还包含红色增感染料 阳离子型具有600nm至700nm之间的最大吸收。 由此获得的照相材料在红外区域显示增加的灵敏度。 该材料可用作银盐扩散转移工艺以制备平版印刷版。

公开(公告)号：US5637437A

公开(公告)日：1997-06-10

申请号：US642312

申请日：1996-05-03

申请人： Jos Vaes ,  Luc Wabbes

发明人： Jos Vaes ,  Luc Wabbes

IPC分类号： G03C8/06 ,  G03C8/36 ,  G03F7/07

CPC分类号： G03F7/07 ,  G03C8/06

摘要： The present invention provides an imaging element comprising on a support in the order given (i) a base layer comprising a binder in an amount between 1 and 3 g/m.sup.2, (it) a photosensitive layer comprising a spectrally sensitised silver halide emulsion, said emulsion consisting principally of silver chloride but containing bromide ranging from 0.1 mole % to 40 mole % and iodide ranging from 0 to 2 mole % and (iii) a receiving layer containing physical development nuclei in water permeable relationship with said photosensitive layer, characterized in that the ratio by weight of gelatin to silver halide (expressed as an equivalent amount of AgNO.sub.3) in said photosensitive layer is at least 1.35.

摘要翻译： 本发明提供了一种成像元件，其按照以下顺序包含在载体上：（i）包含1至3g / m 2的量的粘合剂的基层，（其）包含光谱增感的卤化银乳剂的感光层，所述 主要由氯化银组成但含有0.1摩尔％至40摩尔％的溴化物和0至2摩尔％的碘化物的乳液和（iii）含有与所述感光层水可渗透关系的物理发育核的接收层，其特征在于： 所述感光层中明胶与卤化银的重量比（表示为等量的AgNO 3）至少为1.35。

公开(公告)号：US5607811A

公开(公告)日：1997-03-04

申请号：US569424

申请日：1995-12-08

申请人： Jos Vaes ,  Luc Wabbes

发明人： Jos Vaes ,  Luc Wabbes

IPC分类号： G03C8/36 ,  G03F7/07 ,  G03C5/30 ,  G03C5/305

CPC分类号： G03F7/07

摘要： The present invention provides a method for making a lithographic printing plate according to the silver salt diffusion transfer process comprising the steps of:image-wise exposing an imaging element comprising on a support in the order given a photosensitive layer comprising a silver halide emulsion and an image receiving layer containing physical development nuclei in water permeable relationship with said emulsion layer,developing said imaging element by means of an alkaline developing solution comprising at least 0.1 mole/l of ascorbic acid as the main developer and at least 0.015 mole/l of an auxiliary developer of the class of the 1-phenyl-3-pyrazolidones in the presence of silver halide solvent(s) characterized in that said developing solution comprises at least 0.003 mole/l of thiosulfate.

摘要翻译： 本发明提供了一种根据银盐扩散转移方法制备平版印刷版的方法，包括以下步骤：以包含在载体上的成像元件以成像方式曝光，给定包括卤化银乳剂的感光层和 图像接收层包含与所述乳剂层具有水可渗透关系的物理发育核，通过包含至少0.1摩尔/升抗坏血酸作为主要显影剂的碱性显影溶液显影所述成像元件，并且至少0.015摩尔/ 在卤化银溶剂的存在下，1-苯基-3-吡唑烷酮类的辅助显影剂，其特征在于所述显影液含有至少0.003摩尔/升的硫代硫酸盐。