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1. 发明授权

US4593108A 1-phenyl-5-mercapto tetrazoles 失效
标题翻译： 1-苯基-5-巯基四唑
公开(公告)号：US4593108A
公开(公告)日：1986-06-03
申请号：US387449
申请日：1982-06-11
申请人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
发明人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
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。

2. 发明授权

US4355092A Novel phenylmercaptoazole compounds 失效
标题翻译：新型苯巯基噻唑化合物
公开(公告)号：US4355092A
公开(公告)日：1982-10-19
申请号：US222543
申请日：1981-01-05
申请人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
发明人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
IPC分类号： G03C8/00 , G03C5/54 , G03C1/06
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。

3. 发明授权

US4355101A Phenylmercaptoazole compounds 失效
标题翻译：苯基巯基唑化合物
公开(公告)号：US4355101A
公开(公告)日：1982-10-19
申请号：US222542
申请日：1981-01-05
申请人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
发明人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
IPC分类号： G03C8/00 , G03C5/54 , G03C1/06
CPC分类号： G03C8/00 , Y10S430/158
摘要： 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 a group which is cleavable in aqueous alkaline medium and R.sub.1 is either a group which has a pKa of from about 7 to about 14 which is ionizable to an anion and wherein the silver salt of the mercaptan resulting from cleavage of -SR is rendered more soluble in the pH range within which R.sub.1 is ionized to an anion than it is below that pH range or a precursor of such a group. The compounds are useful in photographic applications.
摘要翻译：由式表示的新型化合物，其中X表示形成完成5-或6-元杂环部分的核所必需的非金属原子，R是在碱性水溶液中可裂解的基团，R 1为其具有约7至约14的pKa，其可离子化为阴离子，并且由-SR裂解产生的硫醇的银盐在其中R1被离子化成阴离子的pH范围内变得更可溶，低于该pH范围或这种基团的前体。这些化合物可用于照相应用。

4. 发明授权

US4390613A Diffusion transfer photographic system utilizing substituted phenylmercaptoazoles 失效
标题翻译：使用取代的苯基巯基的扩散转印照相系统
公开(公告)号：US4390613A
公开(公告)日：1983-06-28
申请号：US222502
申请日：1981-01-05
申请人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
发明人： Avinash C. Mehta , George H. Nawn , Lloyd D. Taylor
IPC分类号： C07D257/04 , G03C8/00 , G03C8/08
CPC分类号： G03C8/00 , Y10S430/161
摘要： There is disclosed a diffusion transfer photographic system wherein development of an exposed photosensitive element with an aqueous alkaline processing composition is effected in the presence of a compound 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 on said structure including substituted rings and fused rings; R is H, an alkali metal or a group which is cleavable in a photographic aqueous alkaline processing composition; and R.sub.1 is either a group which has a pKa of from about 7 to about 14 which is ionizable to an anion whereby the silver salt of the mercaptan (resulting from cleavage or ionization of --SR) is rendered more soluble in the pH range within which R.sub.1 is ionized to an anion than it is below that pH range, or a precursor of such a group.
摘要翻译：公开了一种扩散转移照相系统，其中用碱性处理组合物水溶液曝光的感光元件的显影是在式（ⅩⅧ）表示的化合物的存在下进行的，其中X表示形成核的必需的非金属原子，所述结构上的5-或6-元杂环部分包括取代的环和稠环; R是H，碱金属或在照相水性碱性处理组合物中可裂解的基团; 并且R1是具有约7至约14的pKa的基团，其可离子化为阴离子，由此硫醇的银盐（由-SR的裂解或电离产生）在pH范围内变得更易溶于其中 R1比其低于该pH范围的阴离子电离，或这种基团的前体。

5. 发明授权

US4105694A Process for making trimethylamine acrylimide 失效
标题翻译：制备三甲胺丙烯酰亚胺的方法
公开(公告)号：US4105694A
公开(公告)日：1978-08-08
申请号：US753521
申请日：1976-12-22
申请人： Avinash C. Mehta , Donald O. Rickter , Lloyd D. Taylor
发明人： Avinash C. Mehta , Donald O. Rickter , Lloyd D. Taylor
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。

6. 发明授权

US4016340A Hydroxyl-containing polymers having aminimide groups attached thereto through an ether linkage 失效
标题翻译：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
申请人： Henry S. Kolesinski , Avinash C. Mehta , Lloyd D. Taylor
发明人： Henry S. Kolesinski , Avinash C. Mehta , Lloyd D. Taylor
IPC分类号： C08F8/30 , C08B15/06 , C08B31/08 , C08B37/04
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。

7. 发明授权

US5705312A Photograph system 失效
标题翻译：摄影系统
公开(公告)号：US5705312A
公开(公告)日：1998-01-06
申请号：US755702
申请日：1996-11-25
申请人： Donna J. Guarrera , Neil C. Mattucci , Avinash C. Mehta , Lloyd D. Taylor , John C. Warner
发明人： Donna J. Guarrera , Neil C. Mattucci , Avinash C. Mehta , Lloyd D. Taylor , John C. Warner
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
CPC分类号： G03C5/305 , G03C1/295 , G03C8/08 , G03C8/36 , G03C8/52
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。

8. 发明授权

US4743533A Photographic system utilizing a compound capable of providing controlled release of photographically useful group 失效
标题翻译：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
申请人： Roger A. Boggs , John B. Mahoney , Avinash C. Mehta , William C. Schwarzel , Lloyd D. Taylor
发明人： Roger A. Boggs , John B. Mahoney , Avinash C. Mehta , William C. Schwarzel , Lloyd D. Taylor
IPC分类号： G03C8/08 , C07D257/04 , G03C7/305 , G03C8/00 , G03C1/08 , G03C1/02 , G03C1/06 , G03C7/26
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。

9. 发明授权

US4946964A Photographic compounds 失效
标题翻译：摄影化合物
公开(公告)号：US4946964A
公开(公告)日：1990-08-07
申请号：US131911
申请日：1987-12-11
申请人： Roger A. Boggs , John B. Mahoney , Avinash C. Mehta , William C. Schwarzel , Lloyd D. Taylor
发明人： Roger A. Boggs , John B. Mahoney , Avinash C. Mehta , William C. Schwarzel , Lloyd D. Taylor
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。

10. 发明授权

US4888273A Stabilized tabular silver halide grain emulsions 失效
标题翻译：稳定的片状卤化银颗粒乳剂
公开(公告)号：US4888273A
公开(公告)日：1989-12-19
申请号：US160710
申请日：1988-02-26
申请人： Richard S. Himmelwright , Avinash C. Mehta , Lloyd D. Taylor
发明人： Richard S. Himmelwright , Avinash C. Mehta , Lloyd D. Taylor
IPC分类号： G03C1/34
CPC分类号： G03C1/346
摘要： Silver halide emulsions containing tabular silver halide grains are stabilized by the employment of a compound of the formula ##STR1## where R is --SO.sub.2 NH.sub.2, In a preferred embodiment an azaindene is also employed.
摘要翻译：含有片状卤化银颗粒的卤化银乳剂通过使用式为“IMAGE”的化合物而得到稳定，其中R是-SO 2 NH 2，在优选的实施方案中也使用了氮杂茚。

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