摘要:
The invention provides a photographic element which comprises a light-sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler having the formula: ##STR1## wherein: each R.sub.1 independently represents an alkyl or aryl group; R.sub.2 represents a linear or branched alkyl group of 1 to 20 carbon atoms; R.sub.3 is selected from the group consisting of an alkyl group, an aryl group, a perfluoroalkyl group, or an arylamino group; and Z represents a hydrogen atom or a group capable of being split off by oxidized color developer. The element of the invention exhibits improved cyan dye light stability.
摘要:
Disclosed is a silver halide photographic element comprising a support bearing a light sensitive silver halide emulsion layer and a cyclic azole dye forming coupler associated with a stabilizer having the following Formula S: ##STR1## wherein: R.sub.1 represents an alkyl or cycloalkyl group, an alkenyl group or an aryl group;R.sub.2 and R.sub.3 each represents a hydrogen atom or a substituent;L represents a covalent bond or a divalent linking group;X represents O, S, SO, SO.sub.2, or NR.sub.4, or --O--X.sub.2 --O--;R.sub.4 represents H, alkyl, --CH.sub.2 CH(OH)CH.sub.2 OR.sub.5, or --COR.sub.6 ;R.sub.5 and R.sub.6 represent alkyl groups;Y represents a hydrogen bond donating group;X.sub.2 represents BR.sub.7, PR.sub.8, P(O)R.sub.9, SO, or SO.sub.2 ;R.sub.7 -R.sub.9 each represents phenoxy which may be substituted by 1 to 3 alkyl, alkoxy, or halogen groups;Z.sub.1 and Z.sub.2 each represents an alkylene group of 1 to 3 carbon atoms, which may be substituted, provided that the total number of carbon atoms in the ring is 3 to 6;p and q each represents an integer of 0 to 4.
摘要:
A photographic element comprises a light sensitive silver halide emulsion layer having associated therewith an open chain .alpha.-carbonyl acetanilide yellow dye-forming coupler having the formula: ##STR1## wherein R.sub.1 is selected from the group consisting of alkyl, aryl, heterocyclic, and amino groups, provided that R.sub.1 may form a ring bonded to another carbon atom which is a member of Ring "A";each R.sub.2 is independently selected from the group consisting of those substituents having a Hammett's sigma value of 0 or less, and m is from 0 to 4;each R.sub.3 and R.sub.4 for each of the n carbon atoms is independently selected from the group consisting of hydrogen, alkoxy, aryl, heterocyclic, aryloxy, and alkyl groups, and n is 0 to 16;each R.sub.5 is independently selected from the group consisting of amino, alkyl groups, and groups linked to the "B" ring by oxygen or sulfur, and p is 1 to 3, provided that two R.sub.5 groups may join to form a ring;R.sub.6 is selected from the group consisting of alkyl, aryl, and amino groups;each L is independently a divalent linking group and q is 0 to 3; andRing "A" is bonded indirectly to the 3-, 4-, or 5-position of Ring "B"; andZ is hydrogen, or a group capable of coupling-off when the coupler reacts with an oxidized color developing agent.
摘要:
Novel bicyclic pyrazolo couplers containing a fully substituted carbon at the 6-position of the bicyclic structure and 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, contrast, and photographic speed when employed in color photographic materials and processes. The variables are defined more specifically in the specification.
摘要:
The invention provides new magenta-dye-forming couplers, new magenta dyes formed therefrom, and new photographic elements containing the new couplers. The new couplers have the structure (I):Q--G--Q.sub.(I)wherein --G-- has the structure (II):--L--NH--SO.sub.2 --R--SO.sub.2 -NH--L--.sub.(II)wherein --R-- is substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene, andeach --L-- is independently substituted or unsubstituted alkylene, alkoxylene, arylene, aryloxylene, or aryloxyalkylene, andQ-- has the structure (III ): ##STR1## wherein: each R.sup.1 -- is independently H-- or a substituent; each X-- is independently H-- or a coupling-off group; andeach of D, E, and Z is independently a substituted or unsubstituted methine group, .dbd.N--, or --NH--, with the provisos that one of either the D-E or E-Z bonds is a double bond and the other is a single bond, and when the D-E bond is a carbon-carbon double bond it may form part of an aromatic ring fused with Q--, and one of D, E, and Z is a methine group bonded to --G--.
摘要翻译:本发明提供了新的品红色成色成色剂,由其形成的新品红染料和包含新的成色剂的新的感光元件。 新的成色剂具有结构(I):QGQ(I)其中-G-具有结构(II):其中-R-被取代的-L-NH-SO2-R-SO2-NH-L-(II) (III)其中:各自为亚烷基,亚烷基,亚芳基或芳氧基,每个-L-独立地为取代或未取代的亚烷基,亚烷基,亚芳基,芳氧基或芳氧基亚烷基,Q-具有结构式(III) R 1独立地是H或取代基; 每个X-独立地为H或偶合离去基团; 并且D,E和Z各自独立地为取代或未取代的次甲基,= N - 或-NH-,条件是DE或EZ键之一为双键,另一个为单键 当DE键是碳 - 碳双键时,它可以形成与Q-稠合的芳环的一部分,D,E和Z之一是与-G-键合的次甲基。
摘要:
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.
摘要:
A silver halide photographic element comprising a support bearing a light sensitive silver halide emulsion layer and a cyclic azole dye forming coupler associated with a stabilizer combination comprising i) a compound having the following Formula S: ##STR1## and, ii) a compound having the following Formula I: ##STR2## wherein: R.sub.3 represents an aryl group or a heterocyclic group;Z.sub.1 and Z.sub.2 each represent an alkylene group having 1 to 3 carbon atoms provided that the total number of carbon atoms in the ring is 3 to 6;n is an integer of 1 or 2;R.sub.4 and R.sub.5 each independently represents a hydrogen atom or an alkyl or aryl group;W represents an alkyl or aryl group.
摘要:
The invention provides a photographic element comprising a light sensitive silver halide emulsion layer containing a cyan dye-forming coupler of formula (I), a phenolic solvent of formula (II) and a bisphenol derivative compound of formula (III): wherein the substituents are as defined herein the specification.
摘要:
The invention provides a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a cyan coupler represented by formula (I): ##STR1## wherein: R.sub.3 represents an alkyl group of 2 to 15 carbon atoms;R.sub.4 and R.sub.5 each independently represents a hydrogen atom, an alkyl group or an aryl group;R.sub.6 represents an alkyl or aryl group;X represents a halogen atom; andZ represents a hydrogen atom or a group capable of being split off by oxidized color developer.
摘要:
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.