-
公开(公告)号：US4946964A
公开(公告)日：1990-08-07
申请号：US131911
申请日：1987-12-11
IPC分类号： C07D257/04 , G03C7/305 , G03C8/00
CPC分类号： C07D257/04 , G03C7/30511 , G03C8/00 , Y02P20/55
摘要： There is described a photographic system wherein development of an exposed photosensitive element with an aqueous alkaline photographic developing composition is effected in the presence of a compound represented by the formula ##STR1## wherein R is --OH, --OR.sub.4, --NH.sub.2 --NHR.sub.5 or --NR.sub.4 R.sub.6 ; R.sub.1 is hydrogen, --NH.sub.2, alkyl, substituted alkyl, aryl or substituted aryl; R.sub.2 and R.sub.3 each independently is hydrogen, alkyl, aralkyl or aryl; R.sub.4 is a protecting group which can be removed in the presence of a base; R.sub.5 is an activating group which can render the neighboring hydrogen atom acidic; R.sub.6 is an electron withdrawing group which is capable of stabilizing the negative charge on the nitrogen atom which is produced upon removal of R.sub.4 upon contact with alkali; and PHOTO is a photographically useful group.The compounds provide controlled release of the photographically useful group by a base-catalyzed elimination when contacted by the aqueous alkaline processing composition.
摘要翻译： 描述了一种摄影系统，其中用碱性照相显影组合物水溶液曝光的感光元件的显影是在下式表示的化合物的存在下进行：其中R是-OH，-OR4，-NH2-NHR5或 - NR4R6; R 1是氢，-NH 2，烷基，取代的烷基，芳基或取代的芳基; R2和R3各自独立地是氢，烷基，芳烷基或芳基; R4是可以在碱存在下除去的保护基; R5是可使相邻氢原子呈酸性的活化基团; R6是能够稳定在与碱接触时除去R4时产生的氮原子上的负电荷的吸电子基团; 而PHOTO是一个摄影有用的组。 当通过碱性水溶液处理组合物接触时，这些化合物通过碱催化消除提供对照相有用基团的控制释放。
-
2.发明授权Photographic system utilizing a compound capable of providing controlled release of photographically useful group 失效利用能够提供摄影有用组的控制释放的化合物的摄影系统
公开(公告)号：US4743533A
公开(公告)日：1988-05-10
申请号：US846584
申请日：1986-03-31
CPC分类号： C07D257/04 , G03C7/30511 , G03C8/00 , Y02P20/55 , Y10S430/156 , Y10S430/158
摘要： There is described a photographic system wherein development of an exposed photosensitive element with an aqueous alkaline photographic developing composition is effected in the presence of a compound represented by the formula ##STR1## wherein R is --OH, --OR.sub.4, --NH.sub.2 --NHR.sub.5 or --NR.sub.4 R.sub.6 ; R.sub.1 is hydrogen, --NH.sub.2, alkyl, substituted alkyl, aryl or substituted aryl; R.sub.2 and R.sub.3 each independently is hydrogen, alkyl, aralkyl or aryl; R.sub.4 is a protecting group which can be removed in the presence of a base; R.sub.5 is an activating group which can render the neighboring hydrogen atom acidic; R.sub.6 is an electron withdrawing group which is capable of stabilizing the negative charge on the nitrogen atom which is produced upon removal of R.sub.4 upon contact with alkali; and PHOTO is a photographically useful group.The compounds provide controlled release of the photographically useful group by a base-catalyzed elimination when contacted by the aqueous aklaline processing composition.
摘要翻译： 描述了一种摄影系统，其中用碱性照相显影组合物水溶液曝光的感光元件的显影是在下式表示的化合物的存在下进行：其中R是-OH，-OR 4，-NH 2 -NHR 5或 - NR4R6; R 1是氢，-NH 2，烷基，取代的烷基，芳基或取代的芳基; R2和R3各自独立地是氢，烷基，芳烷基或芳基; R4是可以在碱存在下除去的保护基; R5是可使相邻氢原子呈酸性的活化基团; R6是能够稳定在与碱接触时除去R4时产生的氮原子上的负电荷的吸电子基团; 而PHOTO是一个摄影有用的组。 这些化合物通过碱性催化的消除剂在通过水性碱性处理组合物接触时提供对照相用的基团的控制释放。
-
公开(公告)号：US4105694A
公开(公告)日：1978-08-08
申请号：US753521
申请日：1976-12-22
IPC分类号： C07C233/89 , C07B29/00
CPC分类号： C07C243/00
摘要： Trimethylamine acrylimide is prepared by condensing a mixture of 3-chloropropionyl chloride, 3-chloropropionic acid and trimethylhydrazinium p-toluenesulfonate; and then converting the thus-formed intermediate to the trimethylamine acrylimide, including the step of deprotonating with base.
摘要翻译： 通过将3-氯丙酰氯，3-氯丙酸和对甲苯磺酸三甲基肼的混合物冷凝来制备三甲胺丙烯酰亚胺; 然后将由此形成的中间体转化为三甲胺丙烯酰亚胺，包括用碱去质子化的步骤。
-
公开(公告)号：US4355092A
公开(公告)日：1982-10-19
申请号：US222543
申请日：1981-01-05
CPC分类号： G03C8/00 , Y10S430/158
摘要： There are disclosed novel compounds which are represented by the formula ##STR1## wherein X represents the nonmetallic atoms necessary to form a nucleus which completes a 5- or 6-membered heterocyclic moiety, R is H, an alkali metal or a group which is cleavable in aqueous alkaline medium and Z is H, alkyl having from 1 to 10 carbon atoms, aralkyl such as benzyl or phenethyl, phenyl or substituted phenyl. The compounds are useful in photographic applications.
摘要翻译： 公开了由式“IMAGE”表示的新化合物，其中X表示形成完成5-或6-元杂环部分的核所需的非金属原子，R是H，碱金属或可切割的基团 在碱性水溶液中，Z为H，具有1-10个碳原子的烷基，芳烷基如苄基或苯乙基，苯基或取代的苯基。 该化合物可用于照相应用。
-
公开(公告)号：US4547451A
公开(公告)日：1985-10-15
申请号：US703871
申请日：1985-02-21
CPC分类号： G03C8/54 , Y10S430/156
摘要： Photographic diffusion transfer film units including polymeric diffusion control layers are disclosed. The diffusion control layers comprise polymers which are hydrolyzable in an alkaline medium so as to convert a layer comprising one or more of the polymers from a condition of impermeability to alkali or materials soluble in or solubilized by an aqueous alkaline processing composition to a condition of substantial permeability thereto.
摘要翻译： 公开了包括聚合物扩散控制层的照相扩散转移膜单元。 扩散控制层包括在碱性介质中可水解的聚合物，以便将包含一种或多种聚合物的层从不渗透性的状态转化为碱或可溶于碱性处理组合物的或可溶于碱性处理组合物的物质 渗透性。
-
6.发明授权Polymeric hydroxamic acid polyvalent metal salt interlayer for photographic diffusion transfer products 失效聚合异羟肟酸多价金属盐中间层用于照相扩散转移产物
公开(公告)号：US4352871A
公开(公告)日：1982-10-05
申请号：US217548
申请日：1980-12-17
CPC分类号： G03C8/52
摘要： Photosensitive elements for color diffusion transfer film units comprising a support layer, at least two selectively-sensitized silver halide layers having image-dye forming materials associated therewith, and a novel interlayer, separating the silver halide layers, comprising a polymeric hydroxamic acid polyvalent metal salt which serves as a barrier to the migration of solubilized image-dye forming material until it is rendered permeable to the image-dye forming material subsequent to contact with a sequestering agent for the polyvalent metal of the salt barrier.
摘要翻译： 用于颜色扩散转移膜单元的感光元件包括支撑层，至少两个具有与其形成有成像染料的材料的选择性敏化的卤化银层和分离卤化银层的新型中间层，其包含聚合的异羟肟酸多价金属盐 其作为对溶解的成像染料形成材料的迁移的屏障，直到其与形成盐的屏障的多价金属的螯合剂接触后形成可形成图像形成染料的材料。
-
公开(公告)号：US4593108A
公开(公告)日：1986-06-03
申请号：US387449
申请日：1982-06-11
IPC分类号： G03C8/00 , C07D257/04
CPC分类号： G03C8/00
摘要： There are disclosed novel compounds which are represented by the formula ##STR1## wherein X represents the nonmetallic atoms necessary to form a nucleus which completes a 5- or 6-membered heterocyclic moiety, R is H, an alkali metal or a group which is cleavable in aqueous alkaline medium and Z is H, alkyl having from 1 to 10 carbon atoms, aralkyl such as benzyl or phenethyl, phenyl or substituted phenyl. The compounds are useful in photographic applications.
摘要翻译： 公开了由式“IMAGE”表示的新化合物，其中X表示形成完成5-或6-元杂环部分的核所需的非金属原子，R是H，碱金属或可切割的基团 在碱性水溶液中，Z为H，具有1-10个碳原子的烷基，芳烷基如苄基或苯乙基，苯基或取代的苯基。 这些化合物可用于照相应用。
-
8.发明授权Hydroxyl-containing polymers having aminimide groups attached thereto through an ether linkage 失效具有通过醚键连接到其上的具有氨基酰亚胺基团的含羟基聚合物
公开(公告)号：US4016340A
公开(公告)日：1977-04-05
申请号：US602598
申请日：1975-08-07
CPC分类号： C08F8/30
摘要： This invention relates to novel polymers containing a plurality of hydroxyl groups having aminimide groups attached thereto through an ether linkage and to methods for attaching said aminimide groups onto said polymers containing a plurality of hydroxyl groups.
摘要翻译： 本发明涉及含有通过醚键连接有氨基酰亚胺基团的多个羟基的新型聚合物以及将所述氨基酰亚胺基团连接到含有多个羟基的所述聚合物上的方法。
-
公开(公告)号：US4391895A
公开(公告)日：1983-07-05
申请号：US222031
申请日：1981-01-02
CPC分类号： G03C8/54
摘要： A diffusion control layer for a diffusion transfer photographic film unit comprising a urethane polymer including recurring backbone units capable of undergoing .beta.-elimination degradation in an alkaline environment.
摘要翻译： 一种用于扩散转印照相胶片单元的扩散控制层，其包括聚氨酯聚合物，其包含能够在碱性环境中进行β-消光降解的重复骨架单元。
-
公开(公告)号：US5705312A
公开(公告)日：1998-01-06
申请号：US755702
申请日：1996-11-25
IPC分类号： G03C8/32 , C07D215/10 , C07D221/04 , C07D405/06 , C07D417/12 , G03C1/295 , G03C5/305 , G03C8/08 , G03C8/36 , G03C8/52 , G03C8/10 , G03C8/18
摘要： There is described a photographic system wherein development of an exposed photosensitive element is carried out in the presence of a quaternary pyridinium compound which has a fused 5 - to 12 - member saturated carbocyclic ring attached to the 2 and 3 positions of the pyridine ring.
摘要翻译： 描述了一种照相系统，其中曝光的光敏元件的显影在具有连接到吡啶环的2和3位上的稠合的5至12元饱和碳环的季吡啶鎓化合物的存在下进行。
-
-
-
-
-
-
-
-
-
搜索结果
62 条记录 (耗时 0.034 秒)