公开(公告)号：US5441858A

公开(公告)日：1995-08-15

申请号：US302224

申请日：1994-09-06

申请人： Ivano Delprato ,  Sergio Massirio ,  Massimo Bertoldi

发明人： Ivano Delprato ,  Sergio Massirio ,  Massimo Bertoldi

IPC分类号： G03C1/00 ,  C09B23/01 ,  C09B23/12 ,  G03C1/12 ,  G03C1/20 ,  G03C1/26

CPC分类号： G03C1/26 ,  C09B23/0066 ,  G03C1/127 ,  Y10S430/145

摘要： Silver halide photographic element comprising a support and at least one silver halide emulsion layer, characterised in that said silver halide emulsion layer is spectrally sensitized to infrared radiation with a tricarbocyanine dye having the formula: ##STR1## wherein, Z.sub.1 and Z.sub.2 each independently represents the atoms necessary to complete a thiazole nucleus or an oxazole nucleus,Z.sub.3 represents the atoms necessary to complete a 5-membered N-containing aromatic ring, Q represents the atoms necessary to complete a 5- or 6-membered carbocyclic ring, R.sub.1 and R.sub.2 each independently represents an alkyl group, X.sup.- represents an anion, and n represents an integer of 1 to 2, provided that n is 1 when the dye forms an intramolecular salt.

摘要翻译： 卤化银照相元件包括载体和至少一种卤化银乳剂层，其特征在于所述卤化银乳剂层用具有下式的三羰花青染料对红外辐射进行光谱增感，其中Z1和Z2各自独立地表示 完成噻唑核或恶唑核所需的原子，Z 3表示完成5元含N芳香环所必需的原子，Q表示完成5元或6元碳环所需的原子，R1和R2各自 独立地表示烷基，X-表示阴离子，n表示1〜2的整数，条件是当染料形成分子内盐时n为1。

公开(公告)号：US5322768A

公开(公告)日：1994-06-21

申请号：US965872

申请日：1992-10-23

申请人： Ivano Delprato ,  Stefano Mana ,  Antonio Luzzi

发明人： Ivano Delprato ,  Stefano Mana ,  Antonio Luzzi

IPC分类号： C09B23/01 ,  G03C1/83 ,  G03C1/06

CPC分类号： G03C1/832 ,  C09B23/0066

摘要： An infrared sensitive silver halide photographic element which contains a dye represented by the following formula: ##STR1## wherein R.sub.1 and R.sub.2 each independently represent a sulfoalkyl or a sulfatoalkyl group having 2 to 4 carbon atoms, Q represents the atoms necessary to complete a 5- or 6-membered carbocyclic ring group, R.sub.3 represents an alkyl group, R.sub.4 represents an aryl group, X.sup.- represents an anion, n is an integer of 1 or 2, provided that that n is 1 when the dye forms an intramolecular salt, and Z.sub.1 and Z.sub.2 each independently represent the atoms necessary to complete an indole nucleus.

摘要翻译： 含有由下式表示的染料的红外线感光卤化银照相元件：其中R 1和R 2各自独立地表示具有2〜4个碳原子的磺基烷基或硫酸烷基，Q表示完成5- 或6元碳环，R3表示烷基，R4表示芳基，X表示阴离子，n表示1或2的整数，条件是当染料形成分子内盐时n为1， Z1和Z2各自独立地表示完成吲哚核所必需的原子。

公开(公告)号：US5212056A

公开(公告)日：1993-05-18

申请号：US858308

申请日：1992-03-25

申请人： Walter Beltramini ,  Ivano Delprato

发明人： Walter Beltramini ,  Ivano Delprato

IPC分类号： G03C1/28 ,  G03C1/34 ,  G03C7/20 ,  G03C7/36

CPC分类号： G03C1/346 ,  G03C1/28

摘要： A multilayer silver halide color photographic element comprising at least one blue-sensitive silver halide emulsion layer comprising a blue spectral sensitizing dye and a supersensitizing amount of a disulfide compound of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, equal or different, each represents a hydrogen atom or a lower alkyl group, R.sub.5 represents a hydrogen atom, a formyl group or an acetyl group, R.sub.6 and R.sub.7, equal or different, each represents a hydrogen atom or a lower alkyl group, or R.sub.6 and R.sub.7 represent the elements needed to complete an unsaturated cyclic nucleus.The combination provides a blue-sensitive silver halide emulsion layer having high sensitivity, low fog and good resistance against fading of the latent image.

公开(公告)号：US5013639A

公开(公告)日：1991-05-07

申请号：US508643

申请日：1990-04-12

申请人： Ivano Delprato ,  Agostino Baldassarri

发明人： Ivano Delprato ,  Agostino Baldassarri

IPC分类号： G03C7/388

CPC分类号： G03C7/3885

摘要： Aliphatic diesters of alkylenedicarboxylic acid compounds are water-immiscible high-boiling organic solvents useful for dispersing hydrophobic photographic additives in hydrophilic colloid compositioins which are incorporated into light-sensitive silver halide photographic materials.In particular, said aliphatic diesters of alkylenedicarboxylic acid compounds correspond to the general formula ##STR1## wherein R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9 and R.sub.10, equal or different, each represents a hydrogen atom or a lower alkyl group, with the proviso that at least one of R.sub.3, R.sub.5, R.sub.7 and R.sub.9 is an alkyl group or at least one pair of R.sub.4 and R.sub.6 or R.sub.8 and R.sub.10 are both alkyl groups and the total number of carbon atoms in R.sub.3, R.sub.4, R.sub.5 and R.sub.6 and the total number of carbon atoms in R.sub.7, R.sub.8, R.sub.9 and R.sub.10 is, each, less than 12, and m is 0 to 10.

摘要翻译： 亚烷基二羧酸化合物的脂族二酯是用于将疏水性照相添加剂分散在亲水胶体组合物中的水不混溶高沸点有机溶剂，其被并入感光卤化银照相材料中。 特别地，所述亚烷基二羧酸化合物的脂肪族二酯对应于通式为：其中R 3，R 4，R 5，R 6，R 7，R 8，R 9和R 10相同或不同，分别表示氢原子或低级烷基， 条件是R 3，R 5，R 7和R 9中的至少一个是烷基或至少一对R 4和R 6或R 8和R 10都是烷基，并且R 3，R 4，R 5和R 5中的总碳原子数 R6和R7，R8，R9和R10中的碳原子总数分别为小于12，m为0至10。

公开(公告)号：US4873182A

公开(公告)日：1989-10-10

申请号：US187271

申请日：1988-04-28

申请人： Ivano Delprato ,  Agostino Baldassarri

发明人： Ivano Delprato ,  Agostino Baldassarri

IPC分类号： G03C1/06 ,  G03C7/32 ,  G03C7/388

CPC分类号： G03C7/3885 ,  Y10S430/136

摘要： Alkylenglycol aliphatic diesters are water-immiscible high-boiling organic solvents useful for dispersing hydrophobic photographic additives in hydrophilic colloid compositions which are incorporated into the composing layers of light-sensitive silver halide photographic materials.In particular, said alkylenglycol aliphatic diesters correspond to general formula ##STR1## wherein R.sub.1 and R.sub.2, the same or different, each represents an alkyl group having 1 to 15 carbon atoms, Q represents an acylic hydrocarbon divalent group having 1 to 10 carbon atoms, m represents 0 or 1 and the total number of carbon atoms represented in R.sub.1 +R.sub.2 is at least 6.

公开(公告)号：US4849327A

公开(公告)日：1989-07-18

申请号：US198989

申请日：1988-05-26

申请人： Ivano Delprato

发明人： Ivano Delprato

IPC分类号： C07D513/04 ,  G03C1/34

CPC分类号： C07D513/04 ,  G03C1/34

摘要： Benzo-bis-thiazole quaternary salts having attached to at least one quaternary nitrogen atom thereof an alkenyl group carrying a double bond in the .beta.-position and their use as antifogging agents in silver halide light-sensitive materials.

摘要翻译： 已连接至至少一个季氮原子的苯并双噻唑季盐，其在β-位上带有双键的烯基以及它们在卤化银光敏材料中作为防雾剂的用途。

公开(公告)号：US4762925A

公开(公告)日：1988-08-09

申请号：US23782

申请日：1987-03-09

申请人： Ivano Delprato

发明人： Ivano Delprato

IPC分类号： C07C205/22 ,  C07C205/43 ,  C07D265/36 ,  G03C7/32 ,  G03C7/34

CPC分类号： G03C7/32 ,  C07C205/22 ,  C07C205/43 ,  C07D265/36

摘要： Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula: ##STR1## wherein R represents hydrogen or R"'--X--NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or R.sup.iv --X--, X represents a member selected from the group consisting of --CO--, --SO.sub.2 --, --OCOCO--, --NHCO--, R"' and R.sup.iv represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group and Y and Z, the same or different, represent hydrogen, halogen and a substituted or unsubstituted alkyl or alkoxy group,are described for use in silver halide color photographic processes and elements.

公开(公告)号：US4668610A

公开(公告)日：1987-05-26

申请号：US833954

申请日：1986-02-27

申请人： Ivano Delprato ,  Francesco Squarcia

发明人： Ivano Delprato ,  Francesco Squarcia

IPC分类号： G03C7/34 ,  C07D263/58 ,  G03C7/305 ,  G03C7/32 ,  G03C1/40

CPC分类号： C07D263/58 ,  G03C7/30523 ,  G03C7/32

摘要： 5-hydroxy-6-acylamino-benzoxazole-2-one compounds, such as those responding to the formula: ##STR1## wherein m is 0, 1; R represents a substituted or unsubstituted alkyl, aryl group or a heterocyclic group; R.sub.1 represents a substituted or unsubstituted alkyl or aryl group or R.sub.2 --X--, wherein X represents a member selected from the group consisting of CO, SO.sub.2, OCOCO and NHCO and R.sub.2 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; and V and W, the same or different, represent hydrogen, halogen or a lower alkyl or alkoxy group, are described as cyan dye-forming couplers for use in silver halide color photographic elements and processes.

摘要翻译： 5-羟基-6-酰基氨基 - 苯并恶唑-2-酮化合物，例如响应于下式的那些：其中m是0,1; R代表取代或未取代的烷基，芳基或杂环基; R 1表示取代或未取代的烷基或芳基或R 2 -X-，其中X表示选自CO，SO 2，OCOCO和NHCO的基团，R 2表示取代或未取代的烷基或取代或未取代的芳基 ; 和V和W相同或不同，表示氢，卤素或低级烷基或烷氧基被描述为用于卤化银彩色照相元件和方法的青色染料形成成色剂。