Claims
- 1. A photographic element comprising a silver halide emulsion layer having associated therewith an acetanilide-based yellow dye-forming coupler and a compound of the Formula I: wherein R1, R2 and R3 are each independently aromatic, cyclic, linear, or branched chained hydrocarbon groups.
- 2. An element according to claim 1, wherein R1 comprises from 1 to 30 carbon atoms and R2 and R3 each comprise from 1 to 22 carbon atoms.
- 3. An element according to claim 2, wherein R1 comprises from 6 to 22 carbon atoms.
- 4. An element according to claim 3, wherein R2 and R3 each comprise from 2 to 14 carbon atoms.
- 5. An element according to claim 1, wherein R2 and R3 each comprise a linear, cyclic or branched chained alkyl group of from 1 to 22 carbon atoms.
- 6. An element according to claim 1, wherein R2 and R3 each comprise from 4 to 10 carbon atoms.
- 7. An element according to claim 1, wherein the compound of Formula I is the reaction product of a diisocyanate and monohydric alcohols.
- 8. An element according to claim 7, wherein the diisocyanate comprises isophorone diisocyanate, p-phenylene diisocyanate, toluene diisocyanate, 4,4′-methylenebis-(phenylisocyanate), 1,5-naphthalene diisocyanate, bitolyene diisocyanate, m-xylylene diisocyanate, m-tetramethyl xylylene diisocyanate, 1,6-diisocyanato-2,2,4,4-tetramethylhexane, trans-cylcohexane-1,4-diisocyanate, 1,3-bis(isocyanatomethyl)cyclohexane, dicyclohexylmethane diisocyanate, methylene diisocyanate, ethylene diisocyanate, or tri-, tetra-, penta-, hexa-, nona- or decamethylene diisocyanate.
- 9. An element according to claim 8 wherein the monohydric alcohol comprises ethanol, propanol, iso-propanol, butanol, iso-butanol, pentanol, hexanol, ethylhexanol, nonanol, iso-nonanol, decanol, iso-decanol, undecanol, dodecanol, tridecanol, tetradecanol, myristyl alcohol, pentadecyl alcohol, cetyl alcohol, stearyl alcohol, arachidyl alcohol, behenyl alcohol, undecylenyl alcohol, palmitoleyl alcohol, oleyl alcohol, linoleyl alcohol, linolenyl alcohol, arachidonyl alcohol, erucyl alcohol, benzyl alcohol, cyclohexyl alcohol, phenoxyethanol, or phenol.
- 10. An element according to claim 1, wherein the R1, 2 and R3 groups are selected such that the melting point of the resulting compound is less than 110° C.
- 11. An element according to claim 1, wherein the silver halide emulsion layer further has associated therewith a substituted phenolic light stabilizer compound.
- 12. An element according to claim 11, wherein the molar ratio of compound of Formula I to substituted phenolic light stabilizer compound is from 1:12 to 25:1.
- 13. An element according to claim 11, wherein the substituted phenolic light stabilizer compound is a substituted bisphenolic light stabilizer compound.
- 14. An element according to claim 13 wherein the substituted bisphenol compound is of the formula: wherein A represents an alkyl, cycloalkyl, alkenyl, aryl, acyl, alkylsulfonyl or arylsulfonyl group, X represents a single bond or a bivalent linking group, and each R independently represents one or more alkyl, alkenyl, cycloalkyl, or aryl group, or in combination with the benzene ring to which it is attached represents the atoms necessary to complete a fused ring system.
- 15. An element according to claim 14, wherein the molar ratio of compound of Formula I to substituted bisphenolic light stabilizer compound is from 1:12 to 25:1.
- 16. An element according to claim 14, wherein X represents a single bond or an alkylidene group, oxygen, sulfur, selenium, tellurium, or a sulfonyl or phosphinyl group.
- 17. An element according to claim 14, wherein X represents an alkylidene group.
- 18. An element according to claim 1, wherein the yellow coupler is of the formula wherein R1, R2, Q1 and Q2 each represent a substituent; X is hydrogen or a coupling-off group; Y represents an aryl group or a heterocyclic group; Q3 represents an organic residue required to form a nitrogen-containing heterocyclic group together with the illustrated nitrogen atom; and Q4 represents nonmetallic atoms necessary to form a 3- to 5-membered hydrocarbon ring or a 3- to 5-membered heterocyclic ring which contains at least one hetero atom selected from N, O, S, and P in the ring.
- 19. An element according to claim 18, wherein the yellow coupler is of the formula YELLOW-4 where R2 represents an aryl or alkyl group and Y represents an aryl group.
- 20. An element according to claim 19, wherein R2 represents a tertiary alkyl group.
- 21. An element according to claim 1, wherein the molar ratio of compound of formula I to yellow coupler is from 0.05:1 to 4:1.
- 22. An element according to claim 1, wherein the molar ratio of compound of formula I to yellow coupler is from 0.1:1 to 2.5:1.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of U.S. Ser. No. 09/750,738, filed Dec. 29, 2000, the disclosure of which is incorporated by reference herein.
US Referenced Citations (12)
Foreign Referenced Citations (3)
Number |
Date |
Country |
523640 |
Sep 1995 |
EP |
3256787 |
Nov 1991 |
JP |
11-271940 |
Nov 1999 |
JP |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
09/750738 |
Dec 2000 |
US |
Child |
09/943119 |
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US |