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1.发明授权Tabular grain emulsion containing radiographic elements exhibiting reduced dye stain 失效包含放射性元素的片状颗粒乳液显示减少的染色剂
公开(公告)号：US5196299A
公开(公告)日：1993-03-23
申请号：US677004
申请日：1991-03-28
申请人： Robert E. Dickerson , Steven G. Link , Fred M. Macon , Richard B. Anderson , Wayne W. Weber, II
发明人： Robert E. Dickerson , Steven G. Link , Fred M. Macon , Richard B. Anderson , Wayne W. Weber, II
CPC分类号： G03C5/17 , G03C1/18 , G03C1/005 , G03C1/0051 , G03C2001/0055 , Y10S430/164 , Y10S430/167
摘要： A radiographic element is disclosed comprised of a transparent film support and spectrally sensitized tabular grain silver halide emulsion layer units coated on opposite sides of the film support. At least one of the emulsion layer units is comprised of tabular grains having a thickness of less than 0.2 micrometer accounting for greater than 50 percent of total grain projected area and exhibiting an average tabularity of greater than 25. Adsorbed to the surface of the tabular grains is at least one benzimidazolocarbocyanine dye chosen for its high level of absorption in the mid-green spectral region at the emission line of gadolinium oxysulfide, terbium activated intensifying screens and its low residual stain in the fully processed film.
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公开(公告)号：US5210014A
公开(公告)日：1993-05-11
申请号：US676913
申请日：1991-03-28
申请人： Richard B. Anderson , Robert E. Dickerson , Steven G. Link , Fred M. Macon , Wayne W. Weber, II
发明人： Richard B. Anderson , Robert E. Dickerson , Steven G. Link , Fred M. Macon , Wayne W. Weber, II
摘要： Dyes of formula (I) below are described. The dyes are useful as mid-green sensitizing dyes for photographic materials ##STR1## In the above formula, R1 and R3 are methyl or ethyl, at least one of R1 and R3 being methyl. R2 and R4 are substituted or unsubstituted C.sub.1 to C.sub.6 alkyl, provided that R2 and R4 are not both methyl. X1, X2, X3, and X4 are each independently methyl, methylthio, fluoro-substituted methyl or methylthio, or hydrogen, provided that at least one of X1 and X2 and at least one of X3 and X4 are not hydrogen. Y represents an ion as needed to balance the charge of the molecule. The dyes of formula (I) sensitize silver halide to light in the mid-green region of the spectrum.
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公开(公告)号：US4031127A
公开(公告)日：1977-06-21
申请号：US700982
申请日：1976-06-29
IPC分类号： C07C335/20 , G03C1/485 , C07C121/52 , C07C121/60 , C07C157/09 , G03C5/30
CPC分类号： C07C335/20 , G03C1/48561
摘要： Photographic nucleating agents are disclosed of the formula ##STR1## wherein R is a hydrogen, phenyl, alkylphenyl, cyanophenyl, halophenyl, alkoxyphenyl, alkyl, cycloalkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent;R.sup.1 is a phenylene or alkyl, halo- or alkoxy substituted phenylene group;R.sup.2 is an alkyl, haloalkyl, alkoxyalkyl or phenylalkyl substituent having up to 18 carbon atoms; a cycloalkyl substituent; phenyl or naphthyl; an alkylphenyl, cyanophenyl, halophenyl or alkoxyphenyl substituent or ##STR2## R.sup.3 is hydrogen, benzyl, alkoxybenzyl, halobenzyl or alkylbenzyl; THE ALKYL MOIETIES, EXCEPT AS OTHERWISE NOTED, IN EACH INSTANCE INCLUDE FROM 1 TO 6 CARBON ATOMS; ANDThe cycloalkyl moieties have from 3 to 10 carbon atoms.
摘要翻译： 公开了下式的化合物：其中R为氢，苯基，烷基苯基，氰基苯基，卤代苯基，烷氧基苯基，烷基，环烷基，卤代烷基，烷氧基烷基或苯基烷基取代基; R1是亚苯基或烷基，卤代或烷氧基取代的亚苯基; R2是具有至多18个碳原子的烷基，卤代烷基，烷氧基烷基或苯基烷基取代基; 环烷基取代基; 苯基或萘基; 烷基苯基，氰基苯基，卤代苯基或烷氧基苯基取代基或R 3是氢，苄基，烷氧基苄基，卤代苄基或烷基苄基; 除非另有说明，否则在1至6个碳原子的情况下，除了各种情况外，ALKYL MOIETIES 而循环乐团则有3到10个碳原子。
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公开(公告)号：US5135845A
公开(公告)日：1992-08-04
申请号：US506746
申请日：1990-04-10
摘要： Sensitizing dyes for photographic materials are disclosed. The dyes have the formula: ##STR1## Z.sub.1 represents the atoms necessary to complete a benzoxazole nucleus, a benzothiazole nucleus, a benzoselenazole nucleus, a benzotellurazole nucleus, or a benzimidazole nucleus, which, in addition to being substituted by R.sub.3, may be further substituted or unsubstituted,Z.sub.2 represents the atoms necessary to complete a benzoxazole nucleus, a benzothiazole nucleus, a benzoselenazole nucleus, a benzotellurazole nucleus, or a benzimidazole nucleus, which, in addition to being substituted by F, may be further substituted or unsubstituted,R represents H or substituted or unsubstituted alkyl or aryl,R.sub.1 and R.sub.2 each independently represents substituted or unsubstituted alkyl or aryl,R.sub.3 represents an aryl group that may be appended to or fused with Z.sub.1, andX is a counterion as needed to balance the charge of the molecule.
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5.再颁专利Novel (UV absorbing compounds and) photographic elements containing UV absorbing compounds 失效新颖（UV吸收化合物和）含有紫外线吸收化合物的摄影元素
公开(公告)号：USRE30303E
公开(公告)日：1980-06-10
申请号：US896123
申请日：1978-04-14
IPC分类号： C07D295/145 , G03C1/815 , G03C11/10
CPC分类号： C07D295/145 , C07C255/00 , G03C1/8155
摘要： 1-Amino-4-cyano-1,3-butadiene compounds of the formula ##STR1## wherein n is 1 or 2, when n is 1 R.sub.1 and R.sub.2 can be the same or different and represent hydrogen, alkyl including substituted alkyl, aryl including substituted aryl or cyclic alkyl groups, except that both R.sub.1 and R.sub.2 cannot be hydrogen, or taken together R.sub.1 and R.sub.2 represent the elements necessary to complete a cyclic amino group and when n is 2 at least one of R.sub.1 and R.sub.2 is alkylene or arylene; G represents an electron withdrawing group. The compounds are especially useful in photographic elements as UV absorbers.
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6.发明授权
公开(公告)号：US5213954A
公开(公告)日：1993-05-25
申请号：US615080
申请日：1990-11-19
CPC分类号： G03C1/815 , G03C1/035 , Y10S430/132
摘要： UV-sensitive negative acting silver halide photographic elements are used in contacting processes, and especially dry etch correction processes and can be safely handled under white light. These elements comprise a support base, a negative acting hydrophilic colloidal silver halide emulsion layer comprising photographic silver halide grains, and one or more hydrophilic colloidal layers, wherein said silver halide emulsion support base has on its surface most distant from the layer an antihalation layer comprising a water-removable UV-absorbing compound having significant absorption in the range of from 350 to 400 nm.
摘要翻译： UV敏感的负性卤化银照相元件用于接触过程，特别是干蚀刻校正工艺，并可在白光下安全处理。 这些元件包括支撑基底，负离子的亲水性胶体卤化银乳剂层，其包含照相卤化银颗粒和一种或多种亲水性胶体层，其中所述卤化银乳剂支持基底在其表面最远离所述层，所述防光晕层包含 具有350-400nm范围内显着吸收的水可去除的UV吸收化合物。
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7.发明授权
公开(公告)号：US4030925A
公开(公告)日：1977-06-21
申请号：US701050
申请日：1976-06-29
CPC分类号： G03C1/48561 , C07C335/20
摘要： A radiation-sensitive composition is disclosed including silver halide grains capable of forming an internal latent image and an acylhydrazinophenylthiourea nucleating agent. This composition can be used as a coating on a support to form a photographic element.
摘要翻译： 公开了一种辐射敏感性组合物，其包括能够形成内部潜像的卤化银颗粒和酰肼基苯硫脲成核剂。 该组合物可用作载体上的涂层以形成照相元件。
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