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：US5122450A

公开(公告)日：1992-06-16

申请号：US75744

申请日：1987-08-20

Applicant: Ten Feizi ,  Ping W. Tang

Inventor： Ten Feizi ,  Ping W. Tang

IPC: G01N33/531 ,  G01N33/543 ,  G01N33/547

CPC classification number: G01N33/54313 ,  G01N33/54353 ,  Y10S435/81 ,  Y10S435/814 ,  Y10S436/808 ,  Y10S436/809 ,  Y10S436/823 ,  Y10S436/824 ,  Y10S530/811 ,  Y10S530/812 ,  Y10S530/816

Abstract: A biochemical reagent comprises an oligosaccharide, preferably one which has been liberated from an immunogenic glycoprotein or proteoglycan, which is immobilized on a carrier via an intermediate spacer molecule such as a lipid. The lipid molecule should preferably have at least two long lipid tails so that the oligosaccharide is held in spaced relationship to the carrier where is exhibits antibody-binding ability which is almost indistinguishable from that of the original glycoprotein or proteoglycan. The reagent has its application in biochemical testing of oligosaccharides and systems which bind to them.

Abstract translation: PCT No.PCT / GB86 / 00659 Sec。 371日期1987年8月20日 102（e）1987年8月20日PCT PCT日期：1986年10月24日PCT公布。 公开号WO87 / 02777 日期1987年5月7日。生化试剂包含寡糖，优选已经从免疫原性糖蛋白或蛋白多糖释放的寡糖，其通过中间间隔分子例如脂质固定在载体上。 脂质分子应优选具有至少两个长的脂质尾部，使得寡糖保持与载体间隔开的关系，其中显示与原始糖蛋白或蛋白多糖的抗体结合能力几乎不可区分的抗体结合能力。 该试剂可用于与其结合的寡糖和体系的生物化学检测。

公开(公告)号：US5457020A

公开(公告)日：1995-10-10

申请号：US992396

申请日：1992-12-18

Applicant: Philip T. S. Lau ,  Ping W. Tang ,  Stanley W. Cowan

Inventor： Philip T. S. Lau ,  Ping W. Tang ,  Stanley W. Cowan

IPC: C07D487/04 ,  G03C7/38

CPC classification number: C07D487/04 ,  G03C7/3825

Abstract: Novel bicyclic pyrazolo couplers containing a ballast group of formula (I): ##STR1## are useful in photographic materials and processes. The couplers exhibit increased coupling activity, and provide formation of dyes having improved maximum magenta image dye density, hue, and dye light stability when employed in color photographic materials and processes.

Abstract translation: 含有式（I）的镇流剂组的新型双环吡唑偶联剂可用于照相材料和方法中。 成色剂表现出增加的偶联活性，并且当用于彩色照相材料和方法时，提供具有改进的最大品红色图像染料密度，色调和染料光稳定性的染料的形成。

公开(公告)号：US5427898A

公开(公告)日：1995-06-27

申请号：US310104

申请日：1994-09-19

Applicant: Ping W. Tang ,  Philip T. S. Lau ,  Stanley W. Cowan ,  Terrence Mungal

Inventor： Ping W. Tang ,  Philip T. S. Lau ,  Stanley W. Cowan ,  Terrence Mungal

IPC: G03C7/36 ,  G03C7/305

CPC classification number: G03C7/30535

Abstract: Novel yellow dye-forming couplers, and photographic elements, emulsions and processes for developing images utilizing the novel couplers, are disclosed. The novel couplers include (a) an acyl acetanilide in which the acyl group has a monocyclic or multicyclic carbon center attached to the carbonyl moiety, and (b) an aryloxy coupling-off group at the coupling position of the acylacetanilide, the coupling-off group having in the ortho position a polarizable substituent.

Abstract translation: 公开了新型的黄色染料成色剂，以及用于利用新型成色剂显影图像的照相元件，乳液和方法。 新型成色剂包括（a）酰基乙酰苯胺，其中酰基具有与羰基部分连接的单环或多环碳中心，和（b）在酰基乙酰苯胺的偶联位置处的芳氧基偶联离去基团，偶联离去 在邻位具有可极化取代基的基团。

公开(公告)号：US5358829A

公开(公告)日：1994-10-25

申请号：US993921

申请日：1992-12-18

Applicant: Ping W. Tang ,  Stanley W. Cowan

Inventor： Ping W. Tang ,  Stanley W. Cowan

IPC: C07D487/04 ,  G03C7/38

CPC classification number: C07D487/04 ,  G03C7/3825

Abstract: Novel bicyclic pyrazolo couplers contain a sulfone group of formula (I):--L--NHC(.dbd.O)--(L).sub.n --B--SO.sub.2 --R.sup.1 Iwherein:each L is independently a divalent group linking the adjacent groups;n is 0 or 1;B is a divalent group selected from aryl, aryloxy, aryloxyalkyl, and --C(R.sup.2)(R.sup.3)-- wherein R.sup.2 and R.sup.3 are independently hydrogen or alkyl; andR.sup.1 is a substituted or unsubstituted alkyl having 1 to 22 carbon atomsThese couplers are useful in photographic materials and processes. They exhibit improved color reproduction and dye light stability when employed in color photographic materials and processes.

Abstract translation: 新型双环吡唑偶联剂含有式（I）的砜基：-L-NHC（= O） - （L）n-B-SO2-R1 I其中：各L独立地是连接相邻基团的二价基团; n为0或1; B是选自芳基，芳氧基，芳氧基烷基和-C（R 2）（R 3） - 的二价基团，其中R 2和R 3独立地是氢或烷基; 并且R 1是具有1至22个碳原子的取代或未取代的烷基。这些成色剂可用于照相材料和方法。 当用于彩色照相材料和方法时，它们表现出改善的色彩再现性和染料光稳定性。

公开(公告)号：US5100772A

公开(公告)日：1992-03-31

申请号：US633722

申请日：1990-12-24

Applicant: Tienteh Chen ,  Stanley W. Cowan ,  Edward Schofield ,  Ping W. Tang

Inventor： Tienteh Chen ,  Stanley W. Cowan ,  Edward Schofield ,  Ping W. Tang

IPC: C08F16/28 ,  C08F16/14 ,  C08F18/02 ,  C08F18/22 ,  C08F20/34 ,  C08F20/36 ,  C08F20/52 ,  C08F20/56 ,  C08F26/00 ,  C08F26/02 ,  C09D129/00 ,  C09D129/10 ,  C09D131/02 ,  C09D133/04 ,  C09D133/06 ,  C09D133/26 ,  C09D137/00 ,  C09D139/00 ,  G03C7/327 ,  G03C7/38

CPC classification number: G03C7/3275

Abstract: A magenta dye-forming coupler for photographic material is disclosed. The coupler is a polymer derived from a monomer having the formula: ##STR1## R.sub.1 represents hydrogen or a substituent, X represents hydrogen or a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent,Z represents the atoms necessary to complete a heterocyclic ring,L represents a divalent linking group,A represents --CONH--, --COO--, --O--, --OOC--, --NHCO--, --NHCONH--, --NHSO.sub.2 --, or a substituted or unsubstituted phenylene group,D represents --O--, --NR"--, or --CONR"--,R represents a substituted or unsubstituted aliphatic or a substituted or unsubstituted aromatic substituent, having at least 6 carbon atoms,R' represents H, substituted or unsubstituted lower alkyl of from 1 to 4 carbon atoms, carboxyl, or halogen, andR" represents substituted or unsubstituted: alkyl, aryl, or acetyl.

公开(公告)号：US5424179A

公开(公告)日：1995-06-13

申请号：US289074

申请日：1994-08-11

Applicant: Ping W. Tang ,  Terrence C. Mungal

Inventor： Ping W. Tang ,  Terrence C. Mungal

IPC: G03C7/32 ,  G03C7/38

CPC classification number: G03C7/3835 ,  G03C7/3212

Abstract: Novel cyclic azole couplers and photographic elements containing them are described. The couplers are represented by the following structure: ##STR1## wherein: COUP is a cyclic azole coupler moiety;R.sub.1, R.sub.2 and R.sub.3 independently represent hydrogen or a substituent;L is a linking group joining the azole ring and the aryleneoxy group;G is a bi-valent linking group; andm is an integer of 0 to 2.

Abstract translation: 描述了新的环状唑偶合器和含有它们的照相元件。 成色剂由以下结构表示：其中：COUP是环唑偶合剂部分; R1，R2和R3独立地表示氢或取代基; L是连接唑环和亚芳氧基的连接基团; G是双价连接基团; m为0〜2的整数。

公开(公告)号：US4612278A

公开(公告)日：1986-09-16

申请号：US756138

申请日：1985-07-17

Applicant: Philip Lau ,  Ping W. Tang

Inventor： Philip Lau ,  Ping W. Tang

IPC: G03C7/32 ,  G03C7/00 ,  G03C7/327 ,  G03C1/40

CPC classification number: G03C7/3275

Abstract: Photographic silver halide materials comprise a polymeric coupler which is at least a copolymer having a repeating unit (A) which comprises at least one coupler moiety (COUP) capable of forming a dye upon coupling with an oxidized color developing agent and at least one repeating unit (B) which is derived from a monomer which is an alkoxyalkylacrylate. The polymeric coupler optionally comprises at least one repeating unit (C) derived from such monomers as those useful for repeating unit (A), those useful for repeating unit (B) and other monomers which can be selected to provide useful physical and chemical properties. The photographic material comprising such a polymeric coupler upon exposure and processing enables formation of a dye image having increased dye density.

Abstract translation: 照相卤化银材料包括聚合物偶合剂，其是至少一种具有重复单元（A）的共聚物，该重复单元包含至少一种能够与氧化的彩色显影剂偶联形成染料的偶联剂部分（COUP）和至少一个重复单元 （B）衍生自丙烯酸烷氧基烷基酯的单体。 聚合物成色剂任选地包含至少一种衍生自可用于重复单元（A）的那些单体的重复单元（C），可用于重复单元（B）的那些单体和可被选择以提供有用的物理和化学性质的其它单体。 包含这种聚合物成色剂的照相材料在曝光和加工时可以形成具有增加的染料密度的染料图像。

公开(公告)号：US6130032A

公开(公告)日：2000-10-10

申请号：US938719

申请日：1997-09-26

Applicant: Ping W. Tang ,  James H. Reynolds ,  Daniel E. Corcoran

Inventor： Ping W. Tang ,  James H. Reynolds ,  Daniel E. Corcoran

IPC: G03C7/305 ,  G03C7/30

CPC classification number: G03C7/30535 ,  G03C7/30541

Abstract: A photographic element exhibiting improved yellow dye stability comprises a light sensitive silver halide emulsion layer having associated therewith a yellow dye forming coupler having the formula: wherein:R.sup.1 and R.sup.2 in the formula are independently selected alkyl, aryl, amino or heterocyclic groups, each free of hydrogen bonded to the atom linking the group to the rest of the coupler;R.sup.3 is a H or a substituent;X is C, S, or P, and n is 1 or 2;each Z is an independently selected substituent group substitutable to a phenyl ring provided that at least one such group is an electron withdrawing group and s is 1 to 3;each Y is an independently selected substituent group and r is 1 to 3.

Abstract translation: 显示出改进的黄色染料稳定性的照相元件包括具有下式的与其相关的具有黄色染料形成成色剂的感光卤化银乳剂层：其中：式中的R 1和R 2独立地选自烷基，芳基，氨基或杂环基， 的氢键键合到连接基团与原子的其余部分的原子上; R3是H或取代基; X为C，S或P，n为1或2; 每个Z是独立选择的可取代苯环的取代基，条件是至少一个这样的基团是吸电子基团，s是1至3; 每个Y是独立选择的取代基，r是1至3。

公开(公告)号：US5864042A

公开(公告)日：1999-01-26

申请号：US10009

申请日：1998-01-21

Applicant: Ping W. Tang ,  Francesco DeBellis

Inventor： Ping W. Tang ,  Francesco DeBellis

IPC: C07D249/12

CPC classification number: C07D249/12

Abstract: The invention provides a process for preparing a 4-amino-5-mercapto-3-substituted-�1,2,4!triazole comprising reacting a thiocarbohydrazide with a carboxylic acid in the presence of an organic solvent and a boron compound having the formula ##STR1## where R.sup.2, R.sup.3, and R.sup.4 are independently selected from the group consisting of hydrogen, hydroxy, amino, alkyl, aryl, alkoxy, and aryloxy groups. The process provides a safer low temperature process for preparing the desired compound.

Abstract translation: 本发明提供了一种制备4-氨基-5-巯基-3-取代的 - [1,2,4]三唑的方法，包括在有机溶剂和具有下式的硼化合物存在下，使硫代碳酰肼与羧酸反应： 其中R 2，R 3和R 4独立地选自氢，羟基，氨基，烷基，芳基，烷氧基和芳氧基。 该方法提供了用于制备所需化合物的更安全的低温方法。