US5468592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide photographic material
Assignee: Fujifilm Holdings Corp
•
Filing: 1994-03-31
•
Granted: 1995-11-21
•
Expires: 2014-03-31
Abstract
Abstract An ultra-hard silver halide photographic material having high processing stability, which contains a hydrazine derivative represented by the following general formula (1) or (2): ##STR1## wherein X 1 and X 2 are each a group containing 1 to 6 carbon atoms, Y 1 is a hydrogen atom or a group, R 1 is a group, Y 1 and R 1 jointly provide 4 to 30 carbon atoms, Y 2 is an electron withdrawing group, R 2 is a hydrogen atom or a monovalent group, and n is an integer of from 1 to 5.
Inventors
- 👤 Kazumi Nii
- 👤 Takashi Hoshimiya
- 👤 Kazunobu Katoh
- 👤 Toshihide Ezoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:30
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/061; G03C1/07; G03C1/08; G03C1/09; G03C2001/093; G03C2001/094
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
192 words
A silver halide photographic material having on a support at least one light-sensitive silver halide emulsion layer, wherein said emulsion layer, a hydrophilic colloid layer adjacent thereto, or both, contain at least one compound selected from the group consisting of compounds represented by general formula (1) or (2): ##STR12## wherein X 1 represents an alkyl group, an alkoxy group, an amino group or an alkylthio group, and the total number of carbon atoms contained in X 1 ranges from 1 to 6; Y 1 represents an alkyl substituted aryloxy group; and R 1 represents hydrogen, an alkyl group or an aryl group, and the total number of carbon atoms contained in Y 1 and R 1 ranges from 4 to 30; ##STR13## wherein X 2 has the same meaning as X 1 in general formula (1); Y 2 represents an electron withdrawing group; R 2 represents hydrogen, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, an alkylthio group, or an arylthio group; n represents an integer of from 1 to 5; and plural Y 2 or R 2 groups may be the same or different.
Claim 2
Dependent Claim
192 words
A silver halide photographic material having on a support at least one light-sensitive silver halide emulsion layer, wherein said emulsion layer, a hydrophilic colloid layer adjacent thereto, or both, contain at least one compound selected from the group consisting of compounds represented by general formula (1) or (2): ##STR12## wherein X 1 represents an alkyl group, an alkoxy group, an amino group or an alkylthio group, and the total number of carbon atoms contained in X 1 ranges from 1 to 6; Y 1 represents an alkyl substituted aryloxy group; and R 1 represents hydrogen, an alkyl group or an aryl group, and the total number of carbon atoms contained in Y 1 and R 1 ranges from 4 to 30; ##STR13## wherein X 2 has the same meaning as X 1 in general formula (1); Y 2 represents an electron withdrawing group; R 2 represents hydrogen, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, an alkylthio group, or an arylthio group; n represents an integer of from 1 to 5; and plural Y 2 or R 2 groups may be the same or different.
Claim 3
Dependent Claim
19 words
The silver halide photographic material of claim 1, wherein X 1 and X 2 each is an amino group.
Claim 4
Dependent Claim
60 words
The silver halide photographic material of claim 1, wherein the substituent of said substituted amino group represented by X 1 or X 2 is a group selected from the group consisting of an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group, a carbamoyl group, a hydrazinocarbonyl group, an alkylsulfonyl group, an arylsulfonyl group, and a sulfamoyl group.
Claim 5
Dependent Claim
51 words
The silver halide photographic material of claim 1, wherein the substituent for substitution of said groups represented by X 1 or X 2 is a group selected from the group consisting of an alkyl group, an alkoxy group, an alkoxyalkoxy group, an aryloxy group, an aryl group, and a hydroxy group.
Claim 6
Dependent Claim
28 words
The silver halide photographic material of claim 3, wherein said substituent is an acyl group, a carbamoyl group, an alkylsulfonyl group, or a substituted or unsubstituted arylsulfonyl group.
Claim 7
Dependent Claim
17 words
The silver halide photographic material of claim 1, wherein Y 1 is a t-amyl substituted aryloxy group.
Claim 8
Dependent Claim
48 words
The silver halide photographic material of claim 1, wherein the substitution position of X 1 and X 2 on the phenyl group in general formulae (1) and (2), respectively, is the meta or para position with respect to the hydrazino moiety in general formulae (1) and (2), respectively.
Claim 9
Dependent Claim
37 words
The silver halide photographic material of claim 1, wherein the substitution position of X 1 on the phenyl group in general formula (1) is the para position with respect to the hydrazino moiety in general formula (1).
Claim 10
Dependent Claim
165 words
The silver halide photographic material of claim 1, represented by Y 1 , R 1 , or R 2 is a group selected from the wherein the substituent for substitution of said group group consisting of an alkyl group, an aralkyl group, an alkenyl group, an alkinyl group, an alkoxy group, an aryl group, an amino group, an ureido group, a carbamoyloxy group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an aryloxy group, a sulfamoyl group, a carbamoyl group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl gorup, an alkylsulfinyl group, an arylsulfinyl group, a hydroxy group, a halogen atom, a cyano gorup, --SO 3 M (wherein M represents a hydrogen atom, an alkali metal atom or NH 4 ), an aryloxycarbonyl group, an acyl group, an alkoxycarbonyl group, an acyloxy group, a carbonamido group, a sulfonamido group, --COOM (wherein M represents a hydrogen atom, an alkali metal atom or NH 4 ), a phosphonamido group, a diacylamino group, and an imido group.
Claim 11
Dependent Claim
31 words
The silver halide photographic material of claim 1, wherein said electron withdrawing group represented by Y 2 has a substituent constant value σ m or σ p of at least 0.2.
Claim 12
Dependent Claim
85 words
The silver halide photographic material of claim 10, wherein Y 2 is situated at the position meta to the carbonyl group in general formula (2) when it has a σm value of at least 0.2 or situated at the position para to the carbonyl group when it has a σ p value of at least 0.2, and Y is situated at the positions meta and/or para to the carbonyl group when σ m and σ p values of Y 2 are both at least 0.2.
Claim 13
Dependent Claim
65 words
The silver halide photographic material of claim 1, wherein said electron withdrawing group represented by Y 2 is a group selected from the group consisting of a sulfamoyl group, a carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a halogen atom, a cyano group, an alkyloxycarbonyl, an aryloxycarbonyl group, an acyl group, a polyfuoroalkyl group and a polyfluoroaryl group.
Claim 14
Dependent Claim
156 words
The silver halide photographic material of claim 10, wherein said electron withdrawing group represented by Y 2 has a substituent selected from the group consisting of an alkyl group, an aralkyl group, an alkenyl group, an alkinyl group, an alkoxy group, an aryl group, an amino group, an ureido group, a carbamoyloxy group, an alkoxycarbonylamino group, an aryloxycarbonyl amino group, an aryloxy group, a sulfamoyl group, a carbamoyl group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl gorup, an alkylsulfinyl group, an arylsulfinyl group, a hydroxy group, a halogen atom, a cyano gorup, --SO 3 M (wherein M represents a hydrogen atom, an alkali metal atom or NH 4 ), an aryloxycarbonyl group, an acyl group, an alkoxycarbonyl group, an acyloxy group, a carbonamido group, a sulfonamido group, --COOM (wherein M represents a hydrogen atom, an alkali metal atom or NH 4 ), a phosphonamido group, a diacylamino group, and an imido group.
Claim 15
Dependent Claim
35 words
The silver halide photographic material of claim 1, wherein the total number of the carbon atoms contained in all Y 2 groups and all R 2 groups is in the range of 6 to 30.
Claim 16
Dependent Claim
37 words
The silver halide photographic material of claim 1, wherein said compound is incorporated into the photographic material in an amount ranging from 1×10 -6 to 5×10 -2 mole per mole of silver halide in the photographic material.
Claim 17
Dependent Claim
21 words
The silver halide photographic material of claim 1, wherein said compound is incorporated into at least one of said emulsion layer.
Claim 18
Dependent Claim
46 words
The silver halide photographic material according to claim 1 wherein said group represented by X 1 is substituted with a substituent selected from the group consisting of an alkyl group, an alkoxy group, and alkoxyalkoxy group, an aryloxy group, an aryl group, and a hydroxy group.
Claim 19
Dependent Claim
59 words
The silver halide photographic material according to claim 1 wherein said amino group represented by X 1 is a substituted amino group having a substituent selected from the group consisting of an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group, a carbamoyl group, a hydrazinocarbonyl group, an alkylsulfonyl group, an arylsulfonyl group, and a sulfamoyl group.
Claim 20
Dependent Claim
120 words
The silver halide photographic material according to claim 1 wherein R 2 is substituted by a substitutent selected from the group consisting of an alkyl group, an aralkyl group, an alkenyl group, an alkinyl group, an alkoxy group, an aryl group, an amino group, an ureido group, an urethane group, an aryloxy group, a sulfamoyl group, a carbamoyl group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group, a alkylsulfinyl group, an arylsulfinyl group, a hydroxy group, a halogen atom, a cyano group, a sulfo group, an aryloxycarbonyl group, an acyl group, an alkoxycarbonyl group, an acyloxy group, a carbonamido group, a sulfonoamido group, a carboxyl group, a phosphonamido group, a diacylamino group, and an imido group.
Claim 21
Dependent Claim
70 words
The silver halide photographic material according to claim 1 wherein said amino group represented by R 2 is a substituted amino group having a subsitutent selected from the group consisting of an alkyl group, an aryl group, an acyl group of an alkyl group or an aryl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a hydrazinocarbonyl group, an alkylsulfonyl group, an arylsulfonyl group, and a sulfamoyl group.
References Cited (Backward Citations)
EP0126000B1
Cited
EP0253665B1
Cited
EP0311009A2
Cited
US4971890A
Cited
EP0356801A1
Cited
US5130480A
Cited
EP0356898A2
Cited
US5030546A
Cited
US5026622A
Cited
EP0398355A2
Cited
EP0420005A1
Cited
US5124230A
Cited
US5204213A
Cited
US5190847A
Cited
EP0446078A1
Cited
US5147756A
Cited
US5288590A
Cited
US5284732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-11-20 | 1999-05-22 | 1999-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-11-20 | 2003-05-22 | 2003-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-11-20 | 2007-05-22 | 2007-11-21 | $7700.00 | Window Closed / Lapsed |