US5102779A
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US
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Method for processing silver halide photographic materials, and developer and silver halide photographic material used therein
Assignee: Fujifilm Holdings Corp
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Filing: 1990-10-12
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Granted: 1992-04-07
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Expires: 2010-10-12
Abstract
Abstract A method for processing silver halide photographic materials comprising the step of: processing imagewise exposed silver halide photographic material using a developer containing at least one compound represented by general formula (X): ##STR1## wherein R 1 and R 2 each represents a hydrogen atom, an alkyl group containing from 2 to 8 carbon atoms, an alkenyl group containing from 3 to 8 carbon atoms, or an aralkyl group containing from 7 to 12 carbon atoms; or R 1 and R 2 are combined to form a ring; R 3 , R 4 , R 5 , and R 6 each represents a hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms: and n represents an integer from 3 to 20. A developer for processing silver halide photographic materials comprising at least one compound represented by general formula (X), described above. A silver halide photographic material comprising: at least one compound represented by general formula (X'): ##STR2## wherein R' 1 and R' 2 each represents a hydrogen atom, an alkyl group containing from 1 to 30 carbon atoms, an alkenyl group containing from 3 to 30 carbon atoms, or an aralkyl group containing from 7 to 30 carbon atoms; or R' 1 and R' 2 are combined to form a ring; R 3 , R 4 , R 5 , and R 6 are the same as described above; and n' represents an integer from 2 to 50. A method for processing silver halide photographic materials comprising the step of: processing imagewise exposed silver halide photographic material comprising at least one compound represented by general formula (X'), described above.
Inventors
- 👤 Tetsuro Kojima
- 👤 Eiichi Okutsu
- 👤 Kazunobu Katoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:42
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305; G03C1/00; G03C1/005; G03C1/04; G03C1/043; G03C2200/00; G03C2200/48
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
235 words
A method for processing a silver halide photographic material comprising: processing an imagewise exposed silver halide photographic material using a developer containing at least one compound represented by general formula (X): ##STR38## wherein R 1 and R 2 each represents a hydrogen atom, a substituted or unsubstituted alkyl group containing from 2 to 8 carbon atoms, a substituted or unsubstituted alkenyl group containing from 3 to 8 carbon atoms, or a substituted or unsubstituted aralkyl group containing from 7 to 12 carbon atoms, provided that R 1 and R 2 are not both hydrogen atoms, the substituents for the substituted alkyl, alkenyl and aralkyl groups represented by R 1 and R 2 are selected from the group consisting of a halogen atom, a cyano group, a nitro group, a hydroxyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyloxy group, an amino group, a carbonamido group, a sulfonamido group, an oxycarbonylamino group, an ureido group, a thioureido group, an acyl group, an oxycarbonyl group, a carbamoyl group, a sulfonyl group, a sulfamoyl group, a carboxylate group, and a sulfonate group; or R 1 and R 2 are combined to form a ring; R 3 , R 4 , R 5 , and R 6 each represents a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms; and n represents an integer from 3 to 20.
Claim 2
Independent Claim
235 words
A method for processing a silver halide photographic material comprising: processing an imagewise exposed silver halide photographic material using a developer containing at least one compound represented by general formula (X): ##STR38## wherein R 1 and R 2 each represents a hydrogen atom, a substituted or unsubstituted alkyl group containing from 2 to 8 carbon atoms, a substituted or unsubstituted alkenyl group containing from 3 to 8 carbon atoms, or a substituted or unsubstituted aralkyl group containing from 7 to 12 carbon atoms, provided that R 1 and R 2 are not both hydrogen atoms, the substituents for the substituted alkyl, alkenyl and aralkyl groups represented by R 1 and R 2 are selected from the group consisting of a halogen atom, a cyano group, a nitro group, a hydroxyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyloxy group, an amino group, a carbonamido group, a sulfonamido group, an oxycarbonylamino group, an ureido group, a thioureido group, an acyl group, an oxycarbonyl group, a carbamoyl group, a sulfonyl group, a sulfamoyl group, a carboxylate group, and a sulfonate group; or R 1 and R 2 are combined to form a ring; R 3 , R 4 , R 5 , and R 6 each represents a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms; and n represents an integer from 3 to 20.
Claim 3
Dependent Claim
58 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein R 1 and R 2 each represents an alkyl group containing from 2 to 4 carbon atoms; R 3 , R 4 , R 5 , and R 6 each represents a hydrogen atom; and n represents an integer from 3 to 5.
Claim 4
Dependent Claim
31 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein said compound (X) is present in an amount of from 0.005 to 0.3 mol/liter of developer.
Claim 5
Dependent Claim
31 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein said compound (X) is present in an amount of from 0.01 to 0.2 mol/liter of developer.
Claim 6
Dependent Claim
71 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein said developer further comprises a compound represented by general formula (Y) or (Z): R.sub.7 --SO.sub.3 M (Y) R.sub.8 --COOM (Z) wherein M represents a hydrogen atom, Na, K, or NH 4 ; and R 7 and R 8 each represents an alkyl group containing at least 3 carbon atoms, an alkylbenzene residue, or a benzene residue.
Claim 7
Dependent Claim
140 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein said imagewise exposed silver halide photographic material is developed in the presence of hydrazine derivatives represented by general formula (I): ##STR39## wherein R 9 represents an aliphatic group, or an aromatic group; R 10 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, a hydrazino group, a carbamoyl group, or an oxycarbonyl group; G 1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, ##STR40## a thiocarbonyl group, or an iminomethylene group; and both A 1 and A 2 represent a hydrogen atom, or one of them is a hydrogen atom and the other represents a substituted or unsubstituted alkylsulfonyl group, a substituted or unsubstituted arylsulfonyl group, or a substituted or unsubstituted acyl group.
Claim 8
Dependent Claim
32 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein R 1 and R 2 each represents an alkyl group containing from 2 to 8 carbon atoms.
Claim 9
Dependent Claim
31 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein the substituent for R 1 or R 2 is an alkylthio group or an amino group.
Claim 10
Dependent Claim
25 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein R 1 and R 2 each represents an aryalkyl group.
Claim 11
Dependent Claim
25 words
A method for processing a silver halide photographic material as claimed in claim 1, wherein R 1 and R 2 each represents an alkenyl group.
Claim 12
Dependent Claim
223 words
A developer for processing a silver halide photographic material comprising at least one compound represented by general formula (X): ##STR41## wherein R 1 and R 2 each represents a hydrogen atom, a substituted or unsubstituted alkyl group containing from 2 to 8 carbon atoms, a substituted or unsubstituted alkenyl group containing from 3 to 8 carbon atoms, or a substituted or unsubstituted aralkyl group containing from 7 to 12 carbon atoms, provided that R 1 and R 2 are not both hydrogen atoms, the substituents for the substituted alkyl, alkenyl and aralkyl groups represented by R 1 and R 2 are selected from the group consisting of a halogen atom, a cyano group, a nitro group, a hydroxyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyloxy group, an amino group, a carbonamido group, a sulfonamido group, an oxycarbonylamino group, an ureido group, a thioureido group, an acyl group, an oxycarbonyl group, a carbamoyl group, a sulfonyl group, a sulfamoyl group, a carboxylate group, and a sulfonate group; or R 1 and R 2 are combined to form a ring; R 3 , R 4 , R 5 , and R 6 each represents a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms; and n represents an integer from 3 to 20.
Claim 13
Dependent Claim
223 words
A developer for processing a silver halide photographic material comprising at least one compound represented by general formula (X): ##STR41## wherein R 1 and R 2 each represents a hydrogen atom, a substituted or unsubstituted alkyl group containing from 2 to 8 carbon atoms, a substituted or unsubstituted alkenyl group containing from 3 to 8 carbon atoms, or a substituted or unsubstituted aralkyl group containing from 7 to 12 carbon atoms, provided that R 1 and R 2 are not both hydrogen atoms, the substituents for the substituted alkyl, alkenyl and aralkyl groups represented by R 1 and R 2 are selected from the group consisting of a halogen atom, a cyano group, a nitro group, a hydroxyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyloxy group, an amino group, a carbonamido group, a sulfonamido group, an oxycarbonylamino group, an ureido group, a thioureido group, an acyl group, an oxycarbonyl group, a carbamoyl group, a sulfonyl group, a sulfamoyl group, a carboxylate group, and a sulfonate group; or R 1 and R 2 are combined to form a ring; R 3 , R 4 , R 5 , and R 6 each represents a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms; and n represents an integer from 3 to 20.
Claim 14
Dependent Claim
58 words
A developer for processing a silver halide photographic material as claimed in claim 11, wherein R 1 and R 2 each represents an alkyl group containing from 2 to 4 carbon atoms; R 3 , R 4 , R 5 , and R 6 each represents a hydrogen atom; and n represents an integer from 3 to 5.
Claim 15
Dependent Claim
32 words
A developer for processing a silver halide photographic material as claimed in claim 11, wherein said compound (X) is present in an amount of from 0.005 to 0.3 mol/liter of said developer.
Claim 16
Dependent Claim
32 words
A developer for processing a silver halide photographic material as claimed in claim 11, wherein said compound (X) is present in an amount of from 0.01 to 0.2 mol/liter of said developer.
Claim 17
Dependent Claim
70 words
A developer for processing a silver halide photographic material as claimed in claim 11, wherein said developer further comprises a compound represented by general formula (Y) or (Z): R.sub.7 --SO.sub.3 M (Y) R.sub.8 --COOM (Z) M represents a hydrogen atom, Na, K, or NH 4 ; and R 7 and R 8 each represents an alkyl group containing at least 3 carbon atoms, an alkylbenzene residue, or a benzene residue.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-04-07 | 1995-10-07 | 1996-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-04-07 | 1999-10-07 | 2000-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-04-07 | 2003-10-07 | 2004-04-07 | $7700.00 | Window Closed / Lapsed |