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US5312722A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver halide photographic material

Assignee: Fujifilm Holdings Corp
•
Filing: 1993-05-03
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Granted: 1994-05-17
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Expires: 2013-05-03
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Abstract

Abstract Disclosed is a silver halide photographic material containing at least one dye of formula (Ia), (Ib), (Ic), or (Id): ##STR1## wherein R 1 , R 2 , R 9 and R 10 may be the same or different and each represents an alkyl group; Z 1 , Z 2 , Z 3 and Z 4 each represents a non-metallic atomic group necessary for forming a nitrogen-containing hetero ring; R 3 , R 4 , R 5 , R 6 , R 11 , R 12 , R 13 and R 14 may be the same or different and each represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; R 7 , R 8 , R 15 and R 16 may be the same or different and each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group or a hydroxyl group; R 3 and R 4 , R 5 and R 6 , R 11 and R 12 , R 13 and R 14 , R 3 and R 7 , R 5 and R 8 , R 11 and R 15 , or R 13 and R 16 may be bonded to each other to form a 5-membered or 6-membered ring; and m and n each represents an integer of from 1 to 4; provided that the dye molecule contains at least two acidic substituents.

Inventors

  • 👤 Toru Harada

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:28
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/16; G03C5/164; G03C1/00; G03C1/76; G03C1/825; G03C1/83; G03C1/832; Y; Y10; Y10S; Y10S430/00; Y10S430/145

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 240 words
A silver halide photographic material comprising a support having thereon a silver halide emulsion layer and further comprising at least one dye of the formula (Ia), (Ib), (Ic) or (Id): ##STR66## R 1 , R 2 , R 9 and R 10 are the same or different and each represents an alkyl group; Z 1 Z 2 , Z 3 and Z 4 each represents a non-metallic atomic group necessary for forming a nitrogen-containing heterocyclic ring; R 3 , R 4 , R 5 , R 6 R 11 , R 12 , R 13 and R 14 are the same or different and each represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; R 7 , R 8 , R 15 and R 16 are the same or different and each represents a hydrogen atom, a halogen atom, or alkyl group, an alkoxy group, an amino group or a hydroxyl group; R 3 and R 4 , R 5 and R 6 , R 11 and R 12 , R 13 and R 14 , R 3 and R 7 , R 5 and R 8 , R 11 and R 15 , or R 13 and R 16 may be bonded to each other to form a 5-membered or 6-membered ring; and m and n each represents an integer of from 1 to 4; wherein the dye contains at lest two acidic substituents.
Claim 2
Dependent Claim 240 words
A silver halide photographic material comprising a support having thereon a silver halide emulsion layer and further comprising at least one dye of the formula (Ia), (Ib), (Ic) or (Id): ##STR66## R 1 , R 2 , R 9 and R 10 are the same or different and each represents an alkyl group; Z 1 Z 2 , Z 3 and Z 4 each represents a non-metallic atomic group necessary for forming a nitrogen-containing heterocyclic ring; R 3 , R 4 , R 5 , R 6 R 11 , R 12 , R 13 and R 14 are the same or different and each represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; R 7 , R 8 , R 15 and R 16 are the same or different and each represents a hydrogen atom, a halogen atom, or alkyl group, an alkoxy group, an amino group or a hydroxyl group; R 3 and R 4 , R 5 and R 6 , R 11 and R 12 , R 13 and R 14 , R 3 and R 7 , R 5 and R 8 , R 11 and R 15 , or R 13 and R 16 may be bonded to each other to form a 5-membered or 6-membered ring; and m and n each represents an integer of from 1 to 4; wherein the dye contains at lest two acidic substituents.
Claim 3
Dependent Claim 17 words
The silver halide photographic material as in claim 1, wherein the dye is represented by formula (Ia).
Claim 4
Dependent Claim 17 words
The silver halide photographic material as in claim 1, wherein the dye is represented by formula (Ib).
Claim 5
Dependent Claim 17 words
The silver halide photographic material as in claim 1, wherein the dye is represented by formula (Ic).
Claim 6
Dependent Claim 17 words
The silver halide photographic material as in claim 1, wherein the dye is represented by formula (Id).
Claim 7
Dependent Claim 28 words
The silver halide photographic material as in claim 1, wherein R 1 , R 2 , R 9 or R 10 is a substituted or unsubstituted alkyl group.
Claim 8
Dependent Claim 31 words
The silver halide photographic material as in claim 1, wherein R 1 , R 2 , R 9 or R 10 is an alkyl group substituted by a sulfonic acid group.
Claim 9
Dependent Claim 40 words
The silver halide photographic material as in claim 1, wherein Z 1 , Z 2 , Z 3 , or Z 4 is a non-metallic atomic group necessary for forming a nitrogen-containing heterocyclic ring substituted by a sulfonic acid group.
Claim 10
Dependent Claim 46 words
The silver halide photographic material as in claim 1, wherein R 3 , R 4 , R 5 , R 6 , R 11 , R 12 , R 13 or R 14 is an alkyl group substituted by a sulfonic acid or carboxylic acid group.
Claim 11
Dependent Claim 38 words
The silver halide photographic material as in claim 1, wherein R 3 , R 4 , R 5 , R 6 , R 11 , R 12 , R 13 or R 14 is an unsubstituted alkyl group.
Claim 12
Dependent Claim 38 words
The silver halide photographic material as in claim 1, wherein R 7 , R 8 , R 15 or R 16 is a hydrogen atom, a methyl group, a hydroxyl group, a methoxy group or a sulfobutoxy group.
Claim 13
Dependent Claim 50 words
The silver halide photographic material as in claim 1, wherein the acidic substituents are selected from the group consisting of a sulfonic acid group, a carboxylic acid group, a phosphonic acid group, --SO 2 NHSO 2 R or --CONHSO 2 R; wherein R represents an alkyl or substituted phenyl group.
Claim 14
Dependent Claim 17 words
The silver halide photographic material as in claim 1, wherein the acidic substituents are sulfonic acid groups.
Claim 15
Dependent Claim 34 words
The silver halide photographic material as in claim 1, wherein the dye represented by formula (Ia), (Ib), (Ic) or (Id) is used as a dye for anti-irradiation and is added to an emulsion layer.
Claim 16
Dependent Claim 54 words
The silver halide photographic material as in claim 1, wherein the dye represented by formula (Ia), (Ib), (Ic) or (Id) is used as a dye for anti-halation and is in a layer on the support surface which is opposite to the emulsion layer or in an interlayer between the support and the emulsion layer.
Claim 17
Dependent Claim 64 words
The silver halide photographic material as in claim 1, wherein the dye represented by formula (Ia), (Ib), (Ic) or (Id) is used as a filter dye and is in a layer on the support surface which is opposite to the emulsion layer, in an interlayer between the support and the emulsion layer, in an interlayer between emulsion layers, or in a surface protective layer.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-05-16 1997-11-15 1998-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-05-16 2001-11-15 2002-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-05-16 2005-11-15 2006-05-17 $7700.00 Window Closed / Lapsed

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