Claims
- 1. In a method for obtaining photographic images of high sensitivity and high image sharpness by developing a silver halide photographic emulsion layer containing a latent silver image, the improvement which comprises developing said element with a developing agent selected from the group consisting of (a) a mixture of a polyhydroxybenzene and an N-alkylaminophenol, (b) a 1-phenyl-3-pyrazolidone and (c) a mixture of (a) and (b), and in contact with
- 1. an alkylene oxide polymer selected from the group consisting of polyalkylene glycols and condensation products of polyalkylene oxides with active hydrogen containing organic compounds, wherein the alkylene oxide chain of said alkylene oxide polymer has a molecular weight of at least 300 and wherein said alkylene oxide units comprising said chain have from 2 to 4 carbon atoms, and
- 2. a heterocyclic compound not containing an unsubstituted N hetero atom represented by the general formula (I) ##STR86## wherein Q represents the atoms necessary to form a heterocyclic ring selected from the group consisting of a thiazolidine-2-thione ring, an imidazolidine-2-thione ring, a selenazolidine-2-thione ring, a 1,3,4-thiadiazoline-2-thione ring, a 1,3,4-selenadiazoline-2-thione ring, a 4-thiazoline-2-thione ring, a 4-selenazoline-2-thione ring, and a 1,2-dihydropyridine-2-thione ring, said heterocyclic ring being unsubstituted or substituted on the atoms represented
- by Q with an unsubstituted alkyl group, a hydroxyalkyl group, a haloalkyl group, an unsubstituted aryl group, an alkylaryl group, a hydroxyaryl group, a haloaryl group, an alkylthio group, or an alkoxycarbonyl group; or Q represents the atoms necessary to form a heterocyclic ring selected from the group consisting of a benzothiazoline-2-thione ring, a benzoxazoline-2-thione ring, a benzimidazoline-2-thione ring, a benzselenazoline-2-thione ring and a 1,2-dihydroquinoline-2-thione ring, said heterocyclic ring being unsubstituted or substituted on the atoms represented by Q with an unsubstituted alkyl group, an unsubstituted aryl group, an aryl group substituted by halogen, alkyl or alkoxy, an aralkyl group, an alkoxy group, a halogen atom, a trimethylene group or a tetramethylene group; and wherein R is an unsubstituted alkyl group having from 1 to 10 carbon atoms, an alkyl group having from 2 to 10 carbon atoms and substituted by hydroxy, morpholino or aryl, an unsubstituted aryl group, an aryl group substituted by an alkyl group, an alkoxy group or a halogen atom, or R is a 2-pyridyl group,
- or represented by the general formula ##STR87## wherein W is a sulfur atom, a selenium atom, an oxygen atom, or a >N--R.sub.3 group, R.sub.1, R.sub.2 and R.sub.3 each is an unsubstituted alkyl group, a substituted alkyl group wherein the substituent is carboxy or sulfo, and wherein Z represents the atoms required to form a heterocyclic ring selected from the group consisting of a benzothiazole ring, a naphthothiazole ring, a benzoxazole ring, a naphthoxazole ring, a benzoselenazole ring, a naphthoselenazole ring, an indolenine ring, a benzimidazole ring, a naphthimidazole ring, and a 2-quinoline ring, said heterocyclic ring being unsubstituded or substituted on the benzene ring with a halogen atom, a phenyl group, an unsubstituted alkyl group, an alkoxy group, or a hydroxy group, or substituted on the naphthalene ring with an alkoxy group; or Z represents the atoms required to form a heterocyclic ring selected from the group consisting of a thiazoline ring, a thiazole ring, an oxazole ring, a selenazole ring, and a 2-pyridine ring, said heterocyclic ring being unsubstituted or substituted on the atoms represented by Z with an unsubstituted alkyl or an unsubstituted aryl group.
- 2. The method for forming photographic images as claimed in claim 1, wherein said compound of the general formula (I) is a compound of the formula Ia, Ib, or Ic ##STR88## wherein A and B each represents a member selected from the group consisting of a hydrogen atom, an unsubstituted alkyl group, an alkyl group substituted by a hydroxy group or halogen atom, an unsubstituted aryl group, an aryl group substituted by an alkyl group, a hydroxy group, or a halogen atom, an alkoxycarbonyl group and the atoms which combine with each other to form a member selected from the group consisting of a benzene ring, a benzene ring substituted by an unsubstituted alkyl group, an unsubstituted aryl group, a halogen substituted aryl group, an alkyl substituted aryl group, an alkoxy substituted aryl group, an alkoxy group or a halogen atom, a cyclopentene ring and a cyclohexene ring; X represents a sulfur atom, a selenium atom, an oxygen atom, a group represented by>N--R" or a --CH=CH--group; Y represents an unsubstituted alkyl group, an alkoxy group or an alkylthio group; R and R" each represents a member selected from the group consisting of an unsubstituted alkyl group of from 1 to 10 carbon atoms, an alkyl group having 4 to 10 carbon atoms substituted by a hydroxy group or a morpholino group, an aralkyl group substituted by a halogen atom or an alkoxy group, an unsubstituted aryl group, an aryl group substituted by an alkyl group, an alkoxy group, or a halogen atom, and a 2-pyridyl group; and wherein said compound of the general formula II is a compound of the formula IIa or IIb ##STR89## wherein D and E each represents a member selected from the group consisting of a hydrogen atom, an unsubstituted alkyl group, an unsubstituted aralkyl group, an alkoxycarbonyl group, an unsubstituted aryl group, an aryl group substituted by halogen, alkyl or alkoxy, and the atoms which combine with each other to form a member selected from the group consisting of a benzene ring, a benzene ring substituted by a halogen atom, a phenyl group, an unsubstituted alkyl group, an alkoxy group or a hydroxy group, the atoms which combine with each other to form a naphthalene ring or an alkoxy-substituted naphthalene ring, and the atoms which combine with each other to form a cyclohexene ring; Z represents a sulfur atom, an oxygen atom, a selenium atom, a group >C(R.sub.4).sub.2, a group >N-R.sub.5 or the group --CH=CH--; W represents a sufur atom, a selenium atom, an oxygen atom or a group >N--R.sub.3 ; R.sub.1, R.sub.2, R.sub.3 and R.sub.5 each represents a member selected from the group consisting of an unsubstituted alkyl group and an alkyl group substituted by a carboxy group or a sulfo group; R.sub.4 represents an unsubstituted alkyl group; D.sub.1 and E.sub.1 each represents a hydrogen atom, an unsubstituted alkyl group, an unsubstituted aryl group or an aryl group substituted by halogen, alkyl or alkoxy.
- 3. The method of claim 1, wherein the compound of the formula I is used.
- 4. The method of claim 1, wherein the compound of the formula II is used.
- 5. The method of claim 2, wherein the compound of the formula Ia is used.
- 6. The method of claim 2, wherein the compound of the formula Ib is used.
- 7. The method of claim 2, wherein the compound of the formula Ic is used.
- 8. The method of claim 2, wherein the compound of the formula IIa is used.
- 9. The method of claim 2, wherein the compound of the formula IIb is used.
- 10. The method of claim 7, wherein Y is a methyl group, an ethyl group, an n-butyl group, an n-hexyl group, a methoxy group, an ethoxy group, a methylthio group, an ethylthio group or a 2-(4-phenyl-5-thio-1,3,4-thiazdiazoline-2-yl)mercaptoethylthio group.
- 11. The method of claim 1, wherein said developing is in a developer containing a small amount of soluble iodide.
- 12. The method of claim 1, wherein the silver halide light-sensitive element contains a compound capable of imagewise releasing iodide ions during the developing.
- 13. The method of claim 1, wherein said developing is in a developer containing image-wise releasing iodide ions.
- 14. The method of claim 1, wherein R.sub.1, R.sub.2, and R.sub.3 in the general formula II are selected from a methyl group, an ethyl group, an n-propyl group, an n-butyl group, an isobutyl group, an n-amyl group, a carboxymethyl group, a carboxyethyl group, a sulfomethyl group, a sulfopropyl group, or a sulfobutyl group.
- 15. The method for forming photographic images as claimed in claim 1, wherein said alkylene oxide polymer is selected from the group consisting of polyalkylene glycols and condensation products of polyalkylene oxide with an alcohol, an amine, a mercaptan, an organic acid, an amide, acetylene or dibenzoyl methane, wherein the alkylene oxide chain of said alkylene oxide polymer has a molecular weight of at least 300 and the alkylene oxide units thereof have from 2 to 4 carbon atoms.
- 16. The method for forming photographic images as claimed in claim 1, wherein said alkylene oxide polymer is selected from the group consisting of polyalkylene glycols and condensation products of polyalkylene oxide with an aliphatic alcohol, an aliphatic acid, an aliphatic amine, an aliphatic amide, a phenol or a hexitol ring-dehydration product, and wherein the polyalkylene oxide chain of said alkylene oxide polymer has a molecular weight of at least 300 and the alkylene oxide unit thereof has from 2 to 4 carbon atoms.
- 17. The method for forming photographic images as claimed in claim 1, wherein said polyalkylene oxide chain of the alkylene oxide polymer is an ethylene oxide chain or a propylene oxide chain and the molecular weight thereof is at least 400.
- 18. The method for forming photographic images as claimed in claim 1, wherein the silver halide light-sensitive element contains per mole of silver halide from 0.1 to 10 g of alkylene oxide polymer and per mole of silver halide from 0.006 to 2.5 g of a compound of the general formula I.
- 19. The method for forming photographic images as claimed in claim 1, wherein the silver halide light-sensitive element contains per mole of silver halide from 0.1 to 10 g of the alkylene oxide polymer and per mole of silver halide from 0.003 to 1.0 g of a compound of the general formula II.
- 20. The method for forming photographic images as claimed in claim 1, wherein the silver halide light-sensitive element contains per mole of silver halide from 0.1 to 10 g of the alkylene oxide polymer and wherein said developing is in a developer containing, per liter of developer from 0.005 to 0.5 g of a compound of the general formula I.
- 21. The method for forming photographic images as claimed in claim 1, wherein the silver halide light-sensitive element contains per mole of silver halide from 0.1 to 10 g of the alkylene oxide polymer, and wherein said developing is in a developer containing per liter of developer from 0.003 to 0.3 g of a compound of the general formula II.
- 22. The method for forming photographic images as claimed in claim 1, wherein the silver halide light-sensitive element contains per mole of silver halide from 0.006 to 2.5 g of a compound of the general formula I and wherein said developing is in a developer containing per liter of developer from 0.05 to 5.0 g of the alkylene oxide polymer.
- 23. The method for forming photographic images as claimed in claim 1, wherein the silver halide light-sensitive element contains per mole of silver halide from 0.003 to 1.0 g of a compound of the general formula II and wherein said developing is in a developer containing per liter of developer from 0.05 to 5.0 g of the alkylene oxide polymer.
- 24. The method for forming photographic images as claimed in claim 1, wherein said developing is in a developer containing per liter of developer from 0.05 to 5.0 g of the alkylene oxide polymer and from 0.005 to 0.5 g of a compound of the general formula I in combination.
- 25. The method for forming photographic images as claimed in claim 1, wherein said developing is in a developer containing per liter of developer from 0.05 to 5.0 g of the alkylene oxide polymer and from 0.003 to 0.3 g of a compound of the general formula II in combination.
- 26. The method for forming photographic images as claimed in claim 1, wherein said silver halide photographic emulsion layer contains from 1 to 10 mole percent of silver iodide.
- 27. The method for forming photographic images as claimed in claim 1, wherein said alkylene oxide polymer is a polyethylene glycol polymer having a molecular weight of from 1,000 to 3,500 or a condensation product of polyethylene oxide with active hydrogen containing organic compounds having a molecular weight of from 1,000 to 3,500.
Priority Claims (2)
Number |
Date |
Country |
Kind |
46-11156 |
Mar 1971 |
JA |
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46-11157 |
Mar 1971 |
JA |
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CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part application of parent application Ser. No. 230,493, filed Feb. 29, 1972, for METHOD FOR FORMING PHOTOGRAPHIC IMAGES, by Jun Hayashi et al.
US Referenced Citations (7)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
230493 |
Feb 1972 |
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