公开(公告)号：US5580710A

公开(公告)日：1996-12-03

申请号：US532518

申请日：1995-09-22

Applicant: Hiroo Takizawa ,  Yasuhiro Yoshioka ,  Masakazu Morigaki

Inventor： Hiroo Takizawa ,  Yasuhiro Yoshioka ,  Masakazu Morigaki

IPC: G03C7/00 ,  G03C7/30 ,  G03C7/36 ,  G03C7/388 ,  G03C7/392

CPC classification number: G03C7/3885 ,  G03C7/39252 ,  G03C7/3013

Abstract: A silver halide color photographic material excellent in color forming property and wet heat image fastness comprising at least one compound represented by formula (I) in any layer formed on a support: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent branched chain unsubstituted alkyl groups each having 3 to 20 carbon atoms with the proviso that the total carbon number of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is 16 to 60.

Abstract translation: 一种成色性和湿热牢固性优异的卤化银彩色照相材料，其包含至少一种由式（I）表示的化合物在形成于载体上的任何层中：其中R 1，R 2，R 3和R 4独立地为 表示各自具有3〜20个碳原子的支链未取代的烷基，条件是R1，R2，R3和R4的总碳数为16〜60。

公开(公告)号：US5427902A

公开(公告)日：1995-06-27

申请号：US991875

申请日：1992-12-15

Applicant: Yoshio Shimura ,  Hidetoshi Kobayashi ,  Yasuhiro Yoshioka

Inventor： Yoshio Shimura ,  Hidetoshi Kobayashi ,  Yasuhiro Yoshioka

IPC: C07C235/80 ,  C07D233/66 ,  G03C7/305 ,  G03C7/36

CPC classification number: C07D233/66 ,  C07C235/80 ,  G03C7/30535 ,  C07C2101/02

Abstract: There is disclosed an acylacetamide-type yellow coupler having an acyl group represented by formula (I) and a silver halide color photographic material containing same. ##STR1## wherein R.sub.1 represents a monovalent group, Q represents a group of non-metallic atoms required to form together with the C a substituted or unsubstituted 3- to 5-membered cyclic hydrocarbon group or a substituted or unsubstituted 3- to 5-membered heterocyclic group having in the group at least one hetero atom selected from a group consisting of N, O, S, and P, provided that R.sub.1 is not a hydrogen atom and does not bond to Q to form a ring.

Abstract translation: 公开了具有由式（I）表示的酰基的酰基乙酰胺型黄色成色剂和含有它的卤化银彩色感光材料。 式（I）其中R1表示一价基团，Q表示与C一起形成取代或未取代的3至5元环状烃基所需的一组非金属原子或取代或未取代的3- 至少一个选自N，O，S和P的杂原子的5元杂环基团，条件是R 1不是氢原子并且不与Q键合形成环。

公开(公告)号：US5418122A

公开(公告)日：1995-05-23

申请号：US153195

申请日：1993-11-17

Applicant: Nobuo Seto ,  Yasuhiro Yoshioka ,  Masakazu Morigaki

Inventor： Nobuo Seto ,  Yasuhiro Yoshioka ,  Masakazu Morigaki

IPC: G03C7/36 ,  G03C7/392

CPC classification number: G03C7/39212 ,  G03C7/36

Abstract: A silver halide color photographic material is disclosed which comprises a support having thereon at least one layer containing at least one compound of the following general formula: ##STR1## wherein R.sub.1 represents a hydrogen atom, an aliphatic group, --C(.dbd.O)--R.sub.7, --S(.dbd.O)2--R.sub.8 or --P(.dbd.O)(R.sub.7)(R.sub.9); R.sub.2 and R.sub.3 each represents --O--R.sub.10, --S--R.sub.10, an acylamino group or an aliphatic group; R.sub.4 represents --C(.dbd.O)--R.sub.11 or a heterocyclic group; R.sub.5 and R.sub.6 each represents a hydrogen atom or a substituent group; R.sub.7 and R.sub.9 each represents an aliphatic group, an aliphatic oxy group, an aryl group or an aryloxy group; R.sub.8 represents an aliphatic group or an aryl group; R.sub.10 represents an aliphatic group or --C(.dbd.O)--R.sub.7 ; and R.sub.11 represents a substituted hydrazino group or a heterocyclic group.

Abstract translation: 公开了一种卤化银彩色照相材料，其包括其上具有至少一层含有至少一种下列通式化合物的载体的载体：其中R 1表示氢原子，脂族基团，-C（= O） - R7，-S（= O）2-R8或-P（= O）（R7）（R9）; R 2和R 3各自表示-O-R 10，-S-R 10，酰氨基或脂族基; R 4表示-C（= O）-R 11或杂环基; R5和R6各自表示氢原子或取代基; R 7和R 9各自表示脂族基，脂族氧基，芳基或芳氧基; R8表示脂族基或芳基; R 10表示脂族基团或-C（= O）-R 7; R 11表示取代的肼基或杂环基。

公开(公告)号：US5294531A

公开(公告)日：1994-03-15

申请号：US945609

申请日：1992-09-16

Applicant: Hidetoshi Kobayashi ,  Yasuhiro Yoshioka ,  Yoshio Shimura

Inventor： Hidetoshi Kobayashi ,  Yasuhiro Yoshioka ,  Yoshio Shimura

IPC: G03C7/305 ,  G03C7/36

CPC classification number: G03C7/30535 ,  G03C7/36

Abstract: A bicyclo[m.n.0]alkane-1-ylcarbonylacetamide-based yellow dye-forming coupler wherein m represents an integer of 2 to 5, n represents an integer of 1 to 3, the sum of m and n is an integer of 3 to 7, and 0 represents zero.

Abstract translation: 二环[mn0]烷-1-基羰基乙酰胺类黄染料形成成色剂，其中m表示2〜5的整数，n表示1〜3的整数，m和n的和为3〜7的整数 ，0表示零。

公开(公告)号：US4881274A

公开(公告)日：1989-11-14

申请号：US152531

申请日：1988-02-05

Applicant: Satoru Tazaki ,  Yasuhiro Yoshioka

Inventor： Satoru Tazaki ,  Yasuhiro Yoshioka

IPC: H04H40/72 ,  H04B1/10 ,  H04B17/00

CPC classification number: H04B1/1081

Abstract: An FM multipath noise reduction circuit is disclosed, in which a condenser for rapid charging is connected between the power source line and a charge/discharge condenser disposed in a level shift circuit system so that the rise time constant of the control output voltage at the power source switch-on, the AM/FM mode switch over, etc. is equal to that after the power source switch-on.

Abstract translation: 公开了一种FM多径噪声降低电路，其中用于快速充电的电容器连接在电源线和设置在电平移位电路系统中的充电/放电电容器之间，使得电源处的控制输出电压的上升时间常数 电源接通，AM / FM模式切换等与电源接通后相同。

公开(公告)号：US07291448B2

公开(公告)日：2007-11-06

申请号：US11357299

申请日：2006-02-21

Applicant: Minoru Sakai ,  Yasuhiro Yoshioka

Inventor： Minoru Sakai ,  Yasuhiro Yoshioka

IPC: G03C1/00 ,  G03C1/498

CPC classification number: G03C1/49854 ,  G03C1/49863 ,  G03C2200/36

Abstract: A photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer, wherein the photothermographic material contains a water-insoluble azomethine dye and a metal phthalocyanine dye represented by formula (PC-1): wherein M represents a metal atom; R1, R2, R3, R4, R5, R6, R7, and R8 each independently represent a hydrogen atom or a substituent; and at least one of them is an electron-attracting group. The invention provides a photothermographic material which exhibits preferable image tone and excellent image storability.

Abstract translation: 一种光热敏成像材料，其在载体的至少一侧具有至少包含感光卤化银，非光敏有机银盐，还原剂和粘合剂的图像形成层，以及至少一种非感光层 其中光热敏成像材料含有不溶于水的偶氮甲碱染料和由式（PC-1）表示的金属酞菁染料：其中M表示金属原子; R 1，R 2，R 3，R 4，R 5， R 6，R 7和R 8各自独立地表示氢原子或取代基; 并且它们中的至少一个是吸电子基团。 本发明提供了一种光热成像材料，其表现出优异的图像色调和优异的图像保存性。

公开(公告)号：US07250249B2

公开(公告)日：2007-07-31

申请号：US11375240

申请日：2006-03-15

Applicant: Yasuhiro Yoshioka

Inventor： Yasuhiro Yoshioka

IPC: G03C1/498 ,  G03C7/32

CPC classification number: G03C1/49827 ,  G03C1/0051 ,  G03C1/49818 ,  G03C1/49863 ,  G03C7/3225 ,  G03C7/346 ,  G03C2001/03558 ,  G03C2200/36

Abstract: A black and white photothermographic material including, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a silver salt of a fatty acid, a reducing agent for silver ions, and a binder, wherein the black and white photothermographic material includes a compound represented by the following formula (I) as the reducing agent and a compound represented by the following formula (BC-1) as a coupler: A black and white photothermographic material which exhibits low fog, high image density, excellent image tone, and excellent raw stock storability is provided.

Abstract translation: 一种黑色和白色光热敏成像材料，在至少一个支撑体的一侧包括至少包含感光卤化银，脂肪酸银盐，银离子还原剂和粘合剂的图像形成层，其中， 黑色和白色光热敏成像材料包括作为还原剂的下式（I）表示的化合物和作为成色剂的下式（BC-1）表示的化合物：具有低雾，高图像的黑白色光热敏成像材料 提供密度，优异的图像色调和优异的原始储存性。

公开(公告)号：US20070026348A1

公开(公告)日：2007-02-01

申请号：US11482938

申请日：2006-07-10

Applicant: Katsuhisa Ohzeki ,  Yasuhiro Yoshioka

Inventor： Katsuhisa Ohzeki ,  Yasuhiro Yoshioka

IPC: G03C1/00

CPC classification number: G03C1/49827 ,  G03C1/061 ,  G03C1/09 ,  G03C1/498 ,  G03C1/49818 ,  G03C1/49845 ,  G03C5/17 ,  G03C7/30541 ,  G03C7/34 ,  G03C7/344 ,  G03C7/36 ,  G03C7/383 ,  G03C7/3835 ,  G03C7/384 ,  G03C2001/0055 ,  G03C2001/03558 ,  G03C2001/091 ,  G03C2001/7425

Abstract: The present invention provides a black and white photothermographic material including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent represented by formula (1), a coupler which reacts with an oxidation product of the reducing agent to form a dye, and at least one development accelerator represented by formula (A-1) or (A-2) on a support: wherein R1, R2, R3, and R4 each independently represent a hydrogen atom or a substituent; and R5 represents an alkyl group, an aryl group, or a heterocyclic group; Q1-NHNH-Q2  Formula (A-1) wherein Q1 represents an aromatic group or a heterocyclic group; and Q2 represents a carbamoyl group or the like; wherein R11 represents an alkyl group, an acyl group, an acylamino group, or the like; R12 represents a hydrogen atom or a substituent; and R13 and R14 represent a substituent.

Abstract translation: 本发明提供黑色和白色光热敏成像材料，其至少包括光敏卤化银，非光敏有机银盐，由式（1）表示的还原剂，与还原剂的氧化产物反应形成的成色剂 染料和由式（A-1）或（A-2）表示的至少一种显影促进剂：其中R 1，R 2，R 2， R 3和R 4各自独立地表示氢原子或取代基; R 5表示烷基，芳基或杂环基; 式（A-1）<？in-line-formula description =“In-line Formulas”end =“lead”？> Q 1 -NHNH-Q 2 ？in-line-formula description =“In-line formula”end =“tail”？>其中Q 1表示芳基或杂环基; 和Q 2表示氨基甲酰基等; 其中R 11表示烷基，酰基，酰氨基等; R 12表示氢原子或取代基; R 13和R 14代表取代基。

公开(公告)号：US20070003884A1

公开(公告)日：2007-01-04

申请号：US11106680

申请日：2005-04-15

Applicant: Minoru Sakai ,  Yasuhiro Yoshioka ,  Kimitoshi Nagao

Inventor： Minoru Sakai ,  Yasuhiro Yoshioka ,  Kimitoshi Nagao

IPC: G03C1/00

CPC classification number: G03C1/498 ,  G03C1/04 ,  G03C1/061 ,  G03C1/49827 ,  G03C1/49845 ,  G03C1/49863 ,  G03C7/30541

Abstract: A photothermographic material comprising an image forming layer, on at least one side of a support, comprising at least a photosensitive silver halide, a non-photosensitive silver salt, a reducing agent, and a binder, wherein 50% by weight or more of the binder is formed by a linear polymer, and wherein a mean grain size (D0.5) of developed silver in an image portion having a density of 0.5 and a mean grain size (D3.0) of developed silver in an image portion having a density of 3.0 satisfy a relationship represented by the following equation (1): D0.5/D3.0≧1.1  Equation (1) A photothermographic material having a high image quality with high image density and excellent color tone of developed silver images is provided.

公开(公告)号：US20060183063A1

公开(公告)日：2006-08-17

申请号：US11335654

申请日：2006-01-20

Applicant: Yasuhiro Yoshioka ,  Hiroyuki Mifune

Inventor： Yasuhiro Yoshioka ,  Hiroyuki Mifune

IPC: G03C1/00

CPC classification number: G03C1/49818 ,  G03C1/49827 ,  G03C1/49854 ,  G03C5/17 ,  G03C2001/03558

Abstract: A photothermographic material including, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, wherein the photosensitive silver halide has an average silver iodide content of 40 mol % or higher, and the photothermographic material comprises a compound represented by the following formula (I) as the reducing agent: wherein R1, R2, R3, and R4 each independently represent a hydrogen atom or a substituent; R5 and R6 each independently represent an alkyl group, an aryl group, a heterocyclic group, an acyl group, or a sulfonyl group; and R7 represents R11—O—CO—, R12—CO—CO—, R13—NH—CO—, R14—SO2—, R15—W—C(R16)(R17)—, R19—SO2NHCO—, R20—CONHCO—, R21—SO2NHSO2—, R22—CONHSO2— or (M)1/nOSO2—. A photothermographic material, which exhibits low fog and excellent storage stability, and an image forming method are provided.

Abstract translation: 一种光热成像材料，其包括至少一个支撑体的一侧，至少包含感光卤化银，非光敏有机银盐，银离子还原剂和粘合剂的成像层，其中感光卤化银 平均碘化银含量为40摩尔％以上，光热敏成像材料包含作为还原剂的下式（I）表示的化合物：其中R 1，R 2， R 3，R 3和R 4各自独立地表示氢原子或取代基; R 5和R 6各自独立地表示烷基，芳基，杂环基，酰基或磺酰基; R 7表示R 11 -O-CO-，R 12 -CO-CO-，R 13， -NH-CO-，R 14 -SO 2 - ，R 15 -WC（R 16）（R 16） R 17） - ，R 19 -SO 2 NHCO-，R 20 -CONHCO - ，R SUB > 21 NH 2 SO 2 - ，R 22 -CONHSO 2 - 或（M ） OSO 2。 提供了具有低雾度和优异的储存稳定性的光热敏成像材料和图像形成方法。