Patent US4587195A successfully refreshed from Google Patents.
US4587195A
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Method of processing silver halide photographic light-sensitive material
Assignee: Konica Minolta Inc
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Filing: 1985-04-10
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Granted: 1986-05-06
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Expires: 2005-04-10
Abstract
Abstract A method of processing a silver halide photographic material using a color developer containing at least two kinds of triazylstilbene brightening agents having maximum fluorescent wavelengths at least 4μ apart, said material containing a sensitizing dye and an antiirradiation dye.
Inventors
- 👤 Masao Ishikawa
- 👤 Shigeharu Koboshi
- 👤 Masayuki Kurematsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:40
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/407; G03C7/413
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
535 words
A method of processing a silver halide photographic light-sensitive material which comprises exposing imagewise said material to light and thereafter processing said material with a color developer containing at least two kinds of triazylstilbene type brightening agents having maximum fluorescent wavelengths of their respective fluorescent spectra at least 4 mμ apart, wherein the concentration ratio of first brightening agents having shorter maximum fluorescent wavelengths to second brightening agents having maximum fluorescent wavelengths at least 4 mμ greater than said first agent is 5:1 to 1:5; said light-sensitive material comprising a sensitizing dye of Formula I or II and an antiirradiation dye of Formula III, IV, V, or VI ##STR22## wherein Z 1 and Z 2 each is a group of atoms necessary to form a benzoxazole, naphthoxazole, benzothiazole, naphthothiazole, benzoselenazole, naphthoselenazole, benzimidazole, naphthoimidazole, pyridine, or quinonline nucleus; R 1 and R 2 each is a group selected from the class consisting of alkyl, alkenyl, and aryl groups; R 3 is H, methyl or ethyl; X 3 - is an anion; and l is 0 or 1; ##STR23## wherein Z 3 and Z 4 each is a group of atoms necessary to form a benzene or naphthalene ring condensed with an oxazole or thiazole ring which may be substituted or unsubstituted; R 1 --R 3 , X 3 - , and l are defined as in Formula I; and A 8 and A 9 are each oxygen or sulfur; ##STR24## wherein R 4 , R 5 , R 6 , R 7 , R 8 and R 9 each is hydrogen, halogen, hydroxy, an alkyl group having from 1 to 4 carbon atoms, an alkoxy group, --SO 3 M, or --NHR'SO 3 M, wherein R' is an alkylene group and M is a cation of an alkali metal, of ammonium, or of an organic ammonium salt; ##STR25## wherein R 10 and R 10' are each H, alkyl, or substituted or unsubstituted aryl or heterocyclic; R 11 and R 11' are each hydroxy, alkoxy, substituted alkoxy, cyano, --CF 3 , --COOR 12 , --CONHR 12 , --NHCOR 12 , amino, substituted amino, or cyclic amino represented by ##STR26## in which R 12 is H, alkyl, or substituted or unsubstituted aryl, p and q are each 1 or 2, and X 4 is oxygen, sulfur, or --CH 2 --; L is an unsubstituted or substituted methine; n is 0, 1, or 2; and m and m' are each 0 or 1; ##STR27## wherein r is an integer of 1-3; W is oxygen or sulfur; L is as defined in Formula IV; and R 13 -R 16 are independently H, alkyl, substituted alkyl, substituted or unsubstituted aryl, aralkyl, or heterocyclic groups; and ##STR28## wherein l 1 is 1 or 2; R 17 is selected from the same group as R 10 in Formula IV; L is as defined in Formula IV; R 18 is alkyl group and selected from the same group as R 11 of Formula IV; R 19 is --OZ 5 or ##STR29## wherein Z 5 -Z 7 are independently H, or alkyl, and Z 6 and Z 7 can combine with each other to form a ring; and R 20 is H, alkyl, Cl, or alkoxy.
Claim 2
Independent Claim
535 words
A method of processing a silver halide photographic light-sensitive material which comprises exposing imagewise said material to light and thereafter processing said material with a color developer containing at least two kinds of triazylstilbene type brightening agents having maximum fluorescent wavelengths of their respective fluorescent spectra at least 4 mμ apart, wherein the concentration ratio of first brightening agents having shorter maximum fluorescent wavelengths to second brightening agents having maximum fluorescent wavelengths at least 4 mμ greater than said first agent is 5:1 to 1:5; said light-sensitive material comprising a sensitizing dye of Formula I or II and an antiirradiation dye of Formula III, IV, V, or VI ##STR22## wherein Z 1 and Z 2 each is a group of atoms necessary to form a benzoxazole, naphthoxazole, benzothiazole, naphthothiazole, benzoselenazole, naphthoselenazole, benzimidazole, naphthoimidazole, pyridine, or quinonline nucleus; R 1 and R 2 each is a group selected from the class consisting of alkyl, alkenyl, and aryl groups; R 3 is H, methyl or ethyl; X 3 - is an anion; and l is 0 or 1; ##STR23## wherein Z 3 and Z 4 each is a group of atoms necessary to form a benzene or naphthalene ring condensed with an oxazole or thiazole ring which may be substituted or unsubstituted; R 1 --R 3 , X 3 - , and l are defined as in Formula I; and A 8 and A 9 are each oxygen or sulfur; ##STR24## wherein R 4 , R 5 , R 6 , R 7 , R 8 and R 9 each is hydrogen, halogen, hydroxy, an alkyl group having from 1 to 4 carbon atoms, an alkoxy group, --SO 3 M, or --NHR'SO 3 M, wherein R' is an alkylene group and M is a cation of an alkali metal, of ammonium, or of an organic ammonium salt; ##STR25## wherein R 10 and R 10' are each H, alkyl, or substituted or unsubstituted aryl or heterocyclic; R 11 and R 11' are each hydroxy, alkoxy, substituted alkoxy, cyano, --CF 3 , --COOR 12 , --CONHR 12 , --NHCOR 12 , amino, substituted amino, or cyclic amino represented by ##STR26## in which R 12 is H, alkyl, or substituted or unsubstituted aryl, p and q are each 1 or 2, and X 4 is oxygen, sulfur, or --CH 2 --; L is an unsubstituted or substituted methine; n is 0, 1, or 2; and m and m' are each 0 or 1; ##STR27## wherein r is an integer of 1-3; W is oxygen or sulfur; L is as defined in Formula IV; and R 13 -R 16 are independently H, alkyl, substituted alkyl, substituted or unsubstituted aryl, aralkyl, or heterocyclic groups; and ##STR28## wherein l 1 is 1 or 2; R 17 is selected from the same group as R 10 in Formula IV; L is as defined in Formula IV; R 18 is alkyl group and selected from the same group as R 11 of Formula IV; R 19 is --OZ 5 or ##STR29## wherein Z 5 -Z 7 are independently H, or alkyl, and Z 6 and Z 7 can combine with each other to form a ring; and R 20 is H, alkyl, Cl, or alkoxy.
Claim 3
Dependent Claim
61 words
The method of claim 1, wherein one of said two kinds of triazylstilbene type brightening agents has a maximum fluorescent wavelength in its fluorescent spectrum in the range of 433 to 438 mμ and the second of said two kinds of triazylstilbene brightening agents has a maximum fluorescent wavelength in its fluorescent spectrum in the range of 439 to 443 mμ.
Claim 4
Dependent Claim
42 words
The method of claim 1, wherein said triazylstilbene type brightening agents have the following Formula (VII); ##STR30## wherein X 1 , X 2 , Y 1 and Y 2 respectively represent hydroxy, halogen, morpholino, alkoxy, aryloxy, alkyl, aryl, amino, alkylamino, or arylamino.
Claim 5
Dependent Claim
27 words
The method of claim 1, wherein said triazylstilbene type brightening agents are present in an aggregate amount of 0.5 to 10 g per liter of processing liquid.
Claim 6
Dependent Claim
16 words
The method of claim 1, wherein said color developer contains a p-phenylenediamine type color developing agent.
Claim 7
Dependent Claim
29 words
The method of claim 1, wherein the maximum fluorescent wavelengths of said two kinds of triazylstilbene type brightening agents are different from each other by 4 to 10 mμ.
Claim 8
Dependent Claim
28 words
The method of claim 1, wherein said triazylstilbene type brightening agents are present in an aggregate amount of from 0.3 to 10 g per liter of color developer.
Claim 9
Dependent Claim
28 words
The method of claim 1, wherein said sensitizing dye is present in an amount of about 2×10 -6 to about 1×10 -3 mole per mole of silver halide.
Claim 10
Dependent Claim
28 words
The method of claim 1, wherein said antiirradiation dye is present in an amount of about 1 to about 800 mg per m 2 of light sensitive material.
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