Classifications

• • G—PHYSICS
  • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
  • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
  • G03C1/00—Photosensitive materials
  • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
  • G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
  • G03C1/8155—Organic compounds therefor

Definitions

• substituents in the compounds of the formula (I) are alkyl having 1 to 18 carbon atoms, radicals such as methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tetradecyl, hexadecyl and Octadecyl and corresponding branched isomers in question.
• Alkenyl radicals with 2 to 18 carbon atoms can be mono- or, from 4 carbon atoms, polyunsaturated.
• R1 when n is 1, is a radical of the formula -CH2-CH (OR x ) R y , -CH2CH (OR x ) CH2OR z , -CH2COR y or -CH2COCH2OR z , where R x H, -COR s , -COOR w or -SiR p R q R r , R y C1-C8 alkyl, R z C1-C18 alkyl, C2-C18 alkenyl, benzyl, -COR s or interrupted by oxygen C1-C24-alkyl or C2-C24-hydroxyalkyl, R s C1-C18 alkyl, C2-C18 alkenyl or phenyl, R w C1-C4 alkyl and R p , R q and R r independently of one another C1-C6-alkyl mean; or R1 is a group G-II, where II
• R1 is a radical of the formula -CH2-CH (OR x ) R y or -CH2CH (OR x ) CH2OR z are particularly preferably used, where R x H, -COR s , -COOCH3 or -Si (CH3) 2R r , R y C1-C8 alkyl, R z C1-C18 alkyl, C2-C18 alkenyl, -COR s or interrupted by oxygen C1-C24-alkyl or C2-C24-hydroxyalkyl, R s C1-C4 alkyl or C2-C4 alkenyl and R r , C1-C6 alkyl mean; or R1 is a group G-II, where II is a group of formula is and p is 0, G is a divalent group of one of the following formulas: - (CH2) 3-, - (CH2) 2-O-, -CH
• the leaving group Q can be hydrogen or it is a heterocyclic group wherein R14 is an organic divalent group that complements the ring to a 4-7 membered ring, or Q is a group -OR15, wherein R15 is alkyl, aryl, acyl or a heterocyclic radical.
• Typical and preferred yellow couplers correspond to the formulas:
• a group of magenta couplers are 5-pyrazolones of the formula C, as described in British Patent 2,003,473.
• R16 is hydrogen, alkyl, aryl, alkenyl or a heterocyclic group.
• R17 is hydrogen, alkyl, aryl, a heterocyclic group, an ester group, alkoxy group, alkylthio group, carboxyl group, arylamino group, acylamino group, (thio) urea group, (thio) carbamoyl group, guanidino group or sulfonamido group.
• Pyrazoloazole type magenta couplers which are also preferred, can be represented by the formulas are represented, wherein R1 is hydrogen or a substituent, Z represents the necessary for the completion of a 5-membered ring with 2 or 3 nitrogen atoms non-metallic atoms, which ring may be substituted, and Q is hydrogen or a leaving group.
• phenylamino 2-chloroanilino, 2-chloro-5-tetradecanaminoanilino, 2-chloro-5-dodecyloxycarbonylanilino, N-acetylanilino, 2-chloro-5- (alpha- (3-t-butyl-4-hydroxyphenoxy) dodecanamidoanilino ); Ureido (e.g. phenylureido, methylureido, N, N-dibutylureido); sulfamoylamino (e.g.
• Pyrazolo-tetrazoles are described in JP-A-85/33552; Pyrazolo-pyrazole in JP-A-85 / 43,695; Pyrazolo-imidazoles in JP-A-85/35732, JP-A-86/18949 and US-A-4,500,630; Pyrazolo-triazoles in JP-A-85 / 186,567, JP-A-86/47957, JP-A-85 / 215,687, JP-A-85 / 197,688, JP-A-85 / 172,982, EP-A-119,860 , EP-A-173,256, EP-A-178,789, EP-A-178,788 and in Research Disclosure 84 / 24,624.
• cyan couplers of the formula and / or or formula to use in which Z1 alkyl, aryl, Z2 alkyl, cycloalkyl, aryl, a heterocyclic group, or a ballast group, Z3 is hydrogen or halogen, Z1 and Z3 together can form a ring, and Z4 is hydrogen or a leaving group, and Z5 is a ballast group, Z6 hydrogen or a leaving group and Z7 is alkyl.
• the UV absorbers of the formulas (I) and (III) used according to the invention can be incorporated into the color photographic material alone or together with the color coupler and, if appropriate, further additives, by pre-dissolving them in high-boiling organic solvents.
• Solvents boiling above 160 ° C. are preferably used. Typical examples of such solvents are the esters of phthalic acid, phosphoric acid, citric acid, benzoic acid or of fatty acids, and also alkylamides and phenols.

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Citations (4)

• 1992
  • 1992-05-26 EP EP92810396A patent/EP0530135A1/fr not_active Withdrawn
  • 1992-06-03 JP JP16864692A patent/JPH05197074A/ja active Pending

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