公开(公告)号：US5609996A

公开(公告)日：1997-03-11

申请号：US608916

申请日：1996-02-29

Applicant: Ping W. Tang ,  Stanley W. Cowan ,  David J. Decker ,  Terrence C. Mungal

Inventor： Ping W. Tang ,  Stanley W. Cowan ,  David J. Decker ,  Terrence C. Mungal

IPC: C07D487/04 ,  G03C7/38

CPC classification number: C07D487/04 ,  G03C7/3825

Abstract: A photographic light sensitive silver halide emulsion layer has associated therewith a pyrazoloazole dye-forming coupler having the formula: ##STR1## wherein: R.sup.1 is a substituent bonded to the pyrazolotriazole nucleus by a fully substituted carbon atom;X is hydrogen or a coupling-off group;L is a divalent linking group;R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen or substituent groups; andZ.sub.a, Z.sub.b, and Z.sub.c are independently --C(R')(R")--, .dbd.N--, .dbd.C(R')--, or --NH--, wherein R', and R" are independently H or a substituent, provided that one of either the Z.sub.a --Z.sub.b or the Z.sub.b --Z.sub.c bond is a double bond and the other is a single bond, and provided that when the Z.sub.b --Z.sub.c bond is a double bond, it may form part of a fused ring.

Abstract translation: 照相感光卤化银乳剂层与其具有通过完全取代的碳原子的具有下式的吡唑并苯染料形成成色剂： X是氢或偶合离去基团; L是二价连接基团; R2，R3和R4独立地是氢或取代基; 并且Za，Zb和Zc独立地为-C（R'）（R“） - ，= N - ，= C（R'） - 或-NH-，其中R'和R”独立地为H 或Za-Zb​​或Zb-Zc键​​中的任一个为双键且另一个为单键，并且条件是当Zb-Zc键​​为双键时，其可以形成为 稠环。

公开(公告)号：US5851748A

公开(公告)日：1998-12-22

申请号：US766194

申请日：1996-12-12

Applicant: Ping-Wah Tang ,  Stanley W. Cowan ,  David J. Decker ,  Thomas A. Rosiek

Inventor： Ping-Wah Tang ,  Stanley W. Cowan ,  David J. Decker ,  Thomas A. Rosiek

IPC: G03C7/36 ,  G03C7/305 ,  G03C1/08 ,  G03C7/26 ,  G03C7/32

CPC classification number: G03C7/30535

Abstract: The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a yellow dye-forming coupler having the formula: ##STR1## wherein X, Y, Z, W are independently selected from the group consisting of H, alkyl, aryl, halogen, alkoxy and aryloxy groups, provided that X and W may join to form a saturated ring; Each A is selected from the group consisting of halogen, alkoxy and aryloxy groups; m is an integer from 1 to 3; each B is independently selected from the group consisting of --C(O)OR.sub.2 and --NHSO.sub.2 R.sub.3 wherein R.sub.2 and R.sub.3 are independently selected from the group consisting of alkyl and aryl groups;n is an integer from 1 to 3; and R.sub.1 is a substituent group.

Abstract translation: 本发明提供一种照相元件，其包含卤化银乳剂层，其具有下式的黄色染料形成成色剂：其中X，Y，Z，W独立地选自H，烷基，芳基， 卤素，烷氧基和芳氧基，条件是X和W可以连接形成饱和环; 每个A选自卤素，烷氧基和芳氧基; m为1〜3的整数; 每个B独立地选自-C（O）OR 2和-NHSO 2 R 3，其中R 2和R 3独立地选自烷基和芳基; n为1〜3的整数， 并且R 1是取代基。

公开(公告)号：US5576150A

公开(公告)日：1996-11-19

申请号：US608884

申请日：1996-02-29

Applicant: Ping W. Tang ,  Stanley W. Cowan ,  David J. Decker ,  Daniel E. Corcoran

Inventor： Ping W. Tang ,  Stanley W. Cowan ,  David J. Decker ,  Daniel E. Corcoran

IPC: G03C7/38

CPC classification number: G03C7/3835

Abstract: The invention provides a photographic light sensitive silver halide emulsion layer having associated therewith a pyrazolotriazole dye-forming coupler having formula: ##STR1## wherein: R.sub.1 is a substituent bonded to the pyrazolotriazole nucleus by a fully substituted carbon atom;X is hydrogen or a coupling-off group;R.sub.2, R.sub.3, R.sub.4, and R.sub.6 are independently hydrogen or substituent groups;q is from 1 to 3;R.sub.5 and R.sub.7 are independently alkyl, alkoxy, aryl, or aryloxy groups;G is a substituent group and n is from 0 to 3; andY is a substituent group and m is 0 to 4.The invention also provides a coupler compound, a photographic element containing the emulsion layer of the invention, and an imaging process.

Abstract translation: 本发明提供了一种照相感光卤化银乳剂层，其具有下式的与其形成的吡唑并三唑染料形成成色剂：其中：R1是通过完全取代的碳原子与吡唑并三唑核键合的取代基; X是氢或偶合离去基团; R2，R3，R4和R6独立地是氢或取代基; q为1至3; R5和R7独立地是烷基，烷氧基，芳基或芳氧基; G为取代基，n为0-3; Y是取代基，m是0-4。本发明还提供了一种成色剂化合物，含有本发明的乳剂层的照相元件和成像方法。

公开(公告)号：US5441863A

公开(公告)日：1995-08-15

申请号：US281898

申请日：1994-07-28

Applicant: Ping W. Tang ,  Thomas H. Jozefiak ,  David J. Decker

Inventor： Ping W. Tang ,  Thomas H. Jozefiak ,  David J. Decker

IPC: G03C7/38

CPC classification number: G03C7/383

Abstract: Novel imidazo[3,2-a]imidazole cyan dye-forming couplers and photographic elements containing them are described. The couplers are represented by the following structure: ##STR1## wherein: EWG.sub.1 and EWG.sub.2 each independently represent an electron withdrawing group;X is hydrogen or a coupling-off group; andR.sup.1 is hydrogen or a substituent group.

Abstract translation: 描述了新的咪唑并[3,2-a]咪唑青色染料成色剂和含有它们的摄影元件。 成色剂由以下结构表示：其中：EWG1和EWG2各自独立地表示吸电子基团; X是氢或偶合离去基团; 并且R 1是氢或取代基。