摘要:
Disclosed is a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler represented by Formula I: ##STR1## wherein R" represents the group ##STR2## in which R.sup.1, R.sup.2, and R.sup.3 independently selected all groups, provided that any two of R.sup.1, R.sup.2, and R.sup.3 may join to form a ring;R.sup.4 is hydrogen or a substituent, provided that R.sup.3 and R.sup.4 may join to form a ring when R.sup.4 is a substituent; andW is a specified substituent having the formula: ##STR3## and wherein the remaining substituents are as described in the specification. The use of the coupler of Formula I lends improved manufacturability and dye light stability to the element.
摘要:
The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler represented by formula II: whereinX is hydrogen or a coupling-off group;R.sup.1, R.sup.2, and R.sup.3 are independently selected alkyl groups, provided that any two of R.sup.1, R.sup.2, and R.sup.3 may join to form a ring;R.sup.4 is hydrogen or a substituent, provided that R.sup.3 and R.sup.4 may join to form a ring when R.sup.4 is a substituent;R.sup.a is hydrogen or a substituent;Y is a substituent with at least one Y substituent having a formula selected from the group consisting of --CONR.sup.b R.sup.c, --NHCOR.sup.d, and --SO.sub.2 R.sup.e, wherein R.sup.b, R.sup.c, and R.sup.d are independently selected from the group consisting of H, alkyl, aryl, and heterocyclic groups and R.sup.e is selected from the group consisting of an alkyl group, an aryl group, a heterocyclic group, --NR.sup.g R.sup.h, and --OR.sup.i wherein R.sup.g, R.sup.h, and R.sup.i are selected from the same group as R.sup.a and n is from 1 to 5.The element exhibits improved magenta dye light stability.
摘要:
Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a bicyclic azole dye-forming coupler, having appended to a ring carbon at a non-coupling position thereof a substituent group represented by the formula: wherein the arrow represents the point of attachment of the substituent group to a non-coupling position of the coupler; R1, R2, R3 and R4 are independently selected hydrogen or substituent groups, provided that any two of R1, R2, R3 and R4 may join to form a ring; Ra and Rb are independently hydrogen or a substituent; each Rc and Rd is an independently selected hydrogen or an alkyl or aryl group, provided that any two of them may join to form a ring and n is 1 to 10; Re is hydrogen or an alkyl or aryl group; each Y is an independently selected substituent group and m is from 0 to 4; and Z is a substituent selected from the group consisting of —C(O)R5, —S(O)2R5, —SOR5, —P(═O)(R6)2 and —P(═O)(OR6)2 in which R5 is selected from the group consisting of alkyl, aryl, heterocyclic, alkoxy, aryloxy, alkylamino, and arylamino groups and each R6 is independently selected from the group consisting of alkyl and aryl groups; provided that Z can form a ring with any one of Rc and Rd. Such an element provides improved image dye stability.
摘要翻译:公开了一种照相元件,其包含感光卤化银乳剂层,该感光卤化银乳剂层具有与其相连的双环唑形染料形成成色剂,其在非偶合位置附加有环碳,由下式表示的取代基:其中箭头表示 取代基与偶联剂的非偶联位置的连接点; R 1,R 2,R 3和R 4独立地选自氢或取代基,条件是R 1,R 2,R 3和R 4中的任何两个可以连接形成 R a和R b独立地是氢或取代基;每个R c和R d是独立选择的氢或烷基或芳基,条件是它们中的任何两个可以连接形成环,n是1至10; Re是氢 或烷基或芳基;每个Y是独立选择的取代基,m是0-4; 并且Z是选自-C(O)R 5,-S(O)2 R 5,-SOR 5,-P(= O)(R 6)2和-P(= O)(OR 6)2的取代基,其中 R5选自烷基,芳基,杂环,烷氧基,芳氧基,烷基氨基和芳基氨基,每个R6独立地选自烷基和芳基; 只要Z可以与Rc和Rd中的任何一个形成环。 这样的元素提供了改进的图像染料稳定性。
摘要:
The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler represented by formula II: ##STR1## wherein X is hydrogen or a coupling-off group;R.sup.1, R.sup.2, and R.sup.3 are independently selected alkyl groups, provided that any two of R.sup.1, R.sup.2 and R.sup.3 may join to form a ring;R.sup.4 is hydrogen or a substituent, provided that R.sup.3 and R.sup.4 may join to form a ring when R.sup.4 is a substituent;R.sup.a is hydrogen or a substituent;each Y is an independently selected substituent with at least one Y substituent in the 2-position (relative to oxygen) having the formula --NHSO.sub.2 R.sup.f, wherein R.sup.f is an alkyl or aryl group, and n is from 1 to 5.The element exhibits improved magenta dye light stability.
摘要翻译:本发明提供了一种照相元件,其包含卤化银乳剂层,其具有与式II所代表的染料形成成色剂:其中X为氢或偶合离去基团; R 1,R 2和R 3是独立选择的烷基,条件是R 1,R 2和R 3中的任何两个可以连接形成环; R4是氢或取代基,条件是当R 4为取代基时,R 3和R 4可以连接形成环; Ra是氢或取代基; 每个Y是在具有式-NHSO 2 R f的2-位(相对于氧)中具有至少一个Y取代基的独立选择的取代基,其中Rf是烷基或芳基,n是1至5.元素表现出改进 品红染料光稳定。
摘要:
A photographic element comprising a light-sensitive silver halide emulsion layer containing a 1H-pyrazolo[1,5-b][1,2,4]triazole coupler represented by structure (I): wherein R1, R2, and R3 are independently selected unsubstituted alkyl groups comprising of 3 or less carbons with the proviso that one or more of the R1, R2, and R3 groups can be joined to form a ring; R is a straight, cyclic or branched aliphatic carbon chain group and contains at least 9 aliphatic carbon atoms; each R′ is an independently selected alkyl or halogen substituent, n is 0 to 3, and R′, when present, does not include an R′ in the ring position between the pyrazolotriazole nucleus and the sulfonamide; and X is hydrogen or halogen.
摘要翻译:一种照相元件,其包含含有由结构(I)表示的1H-吡唑并[1,5-b] [1,2,4]三唑偶联剂的感光卤化银乳剂层:其中R 1, R 2和R 3独立地选自包含3个或更少个碳的未取代的烷基,条件是一个或多个R 1 SUB R 2,R 3和R 3个基团可以连接形成环; R是直链,环状或支链的脂肪族碳链基团,含有至少9个脂肪族碳原子; 每个R'是独立选择的烷基或卤素取代基,n是0至3,当存在时,R'不包括在吡唑并三唑核与磺酰胺之间的环位置的R'; X为氢或卤素。
摘要:
Disclosed is a photographic element comprising a light sensitive silver halide emulsion layer and, having associated with that layer a 1H-pyrazolo[1,5-b]-1,2,4-triazole dye forming coupler having a fully substituted carbon atom at the 6-position, a chloro group at the 7-position, and, at the 2-position, a phenyl ring substituted in the meta position with a carbonamido substituent containing an α-sulfone moiety. Photographic elements containing these couplers exhibit desirable bleach-fix and activity characteristics.
摘要:
Disclosed is a process for forming an N-acylamino pyrazole comprising contacting a N-acyl-3-oxo-imino ether compound either with a salt of hydrazine in the presence of a base or with hydrazine.
摘要:
Disclosed is a photographic element comprising a light sensitive silver halide emulsion layer and, having associated with that layer, a 1H-pyrazo[1,5-b]-1,2,4-triazole dye forming coupler having a fully substituted carbon atom at the 6-position, a chloro group at the 7-position, and, at the 2-position, a propionic ester moiety.
摘要:
A high calcium chemically defined animal cell culture medium including vitamins A and D and a fatty acid or its ester. The medium is particularly adapted for the primary or secondary culture of epithelial cells. However, the medium may be utilized for establishing and maintaining cell lines, in particBACKGROUND OF THE INVENTIONThe United States government may have rights in this patent because of relevant developmental work supported by Research Grant No. CA43278 from National Institutes of Health.
摘要:
A high calcium chemically defined animal cell culture medium including vitamins A and D and a fatty acid or its ester. The medium is particularly adapted for the primary or secondary culture of epithelial cells. However, the medium may be utilized for establishing and maintaining cell lines, in particular myelomae and hybridomae.