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US4266003A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver halide photographic emulsions

Assignee: Fujifilm Holdings Corp
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Filing: 1979-09-25
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Granted: 1981-05-05
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Expires: 1999-09-25
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Abstract

Abstract A silver halide photographic emulsion which comprises at least one compound represented by the formula (I): ##STR1## where Z represents an atomic group necessary to complete an oxazole nucleus, a benzoxazole nucleus or a naphthoxazole nucleus, R 1 represents a substituted or unsubstituted alkyl group, R 2 represents an alkoxycarbonylalkyl group, a hydroxyalkyl group, a hydroxyalkoxyalkyl group, a carbamoylalkyl group, a hydroxyphenyl group or a hydroxyalkylphenyl group, and R 3 and R 4 which may be the same or different each represents a hydrogen atom, an alkyl group, an alkoxy group, a chlorine atom or a carboxyl group, and a lithographic silver halide material containing the same.

Inventors

  • 👤 Tadashi Ikeda
  • 👤 Takeo Sakai
  • 👤 Haruo Takei
  • 👤 Noriyuki Inoue

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 19:56
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/22; C; C09; C09B; C09B23/00; C09B23/10; C09B23/105; Y; Y10; Y10S; Y10S430/00; Y10S430/15

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 130 words
A silver halide photographic emulsion which compares at least one compound represented by the formula (II): ##STR7## wherein R 5 represents a hydrogen atom, a chlorine atom, a hydroxyl group, an alkylcarbonyloxy group having up to 3 carbon atoms, an unsubstituted alkyl group having up to 4 carbon atoms, or an unsubstituted alkoxy group having up to 4 carbon atoms; R 6 represents a sulfoalkyl group having 2 to 4 carbon atoms: R 7 represents a hydroxyalkoxyalkyl group having 2 to 6 carbon atoms, or a hydroxyalkyl group having 2 to 4 carbon atoms; R 8 represents a hydrogen atom, a chlorine atom, a methyl group, an ethyl group, a methoxy group, or an ethoxy group; and R 9 represents a hydrogen atom, a methyl group, or a methoxy group.
Claim 2
Dependent Claim 130 words
A silver halide photographic emulsion which compares at least one compound represented by the formula (II): ##STR7## wherein R 5 represents a hydrogen atom, a chlorine atom, a hydroxyl group, an alkylcarbonyloxy group having up to 3 carbon atoms, an unsubstituted alkyl group having up to 4 carbon atoms, or an unsubstituted alkoxy group having up to 4 carbon atoms; R 6 represents a sulfoalkyl group having 2 to 4 carbon atoms: R 7 represents a hydroxyalkoxyalkyl group having 2 to 6 carbon atoms, or a hydroxyalkyl group having 2 to 4 carbon atoms; R 8 represents a hydrogen atom, a chlorine atom, a methyl group, an ethyl group, a methoxy group, or an ethoxy group; and R 9 represents a hydrogen atom, a methyl group, or a methoxy group.
Claim 3
Dependent Claim 17 words
The silver halide emulsion layer of claim 1, wherein said emulsion additionally contains a polyalkylene oxide compound.
Claim 4
Dependent Claim 29 words
The silver halide emulsion layer of claim 2, wherein said polyalkylene oxide compound is present in an amount of about 0.01 to 10 g per mol of silver halide.
Claim 5
Dependent Claim 35 words
The silver halide emulsion of claim 1, wherein said silver halide is a silver chlorobromide or a silver chloroiodobromide containing at least about 60 mol% silver chloride and about 0 to 5 mol% silver iodide.
Claim 6
Dependent Claim 13 words
The silver halide emulsion of claim 1, wherein said emulsion is chemically sensitized.
Claim 7
Dependent Claim 156 words
A lithographic silver halide photographic material comprising a support having thereon a silver halide emulsion layer containing at least one compound represented by the formula (II): ##STR8## wherein R 5 represents a hydrogen atom, a chlorine atom, a hydroxyl group, an alkylcarbonyloxy group having up to 3 carbon atoms, an unsubstituted alkyl group having up to 4 carbon atoms, or an unsubstituted alkoxy group having up to 4 carbon atoms; R 6 represents a sulfoalkyl group having 2 to 4 carbon atoms; R 7 represents a hydroxyalkoxyalkyl group having 2 to 6 carbon atoms, or a hydroxyalkyl group having 2 to 4 carbon atoms; R 8 represents a hydrogen atom, a chlorine atom, a methyl group, an ethyl group, a methoxy group, or an ethoxy group; and R 9 represents a hydrogen atom, a methyl group, or a methoxy group; and said emulsion layer and optionally an adjacent hydrophilic colloid layer contains a polyalkylene oxide compound.
Claim 8
Dependent Claim 156 words
A lithographic silver halide photographic material comprising a support having thereon a silver halide emulsion layer containing at least one compound represented by the formula (II): ##STR8## wherein R 5 represents a hydrogen atom, a chlorine atom, a hydroxyl group, an alkylcarbonyloxy group having up to 3 carbon atoms, an unsubstituted alkyl group having up to 4 carbon atoms, or an unsubstituted alkoxy group having up to 4 carbon atoms; R 6 represents a sulfoalkyl group having 2 to 4 carbon atoms; R 7 represents a hydroxyalkoxyalkyl group having 2 to 6 carbon atoms, or a hydroxyalkyl group having 2 to 4 carbon atoms; R 8 represents a hydrogen atom, a chlorine atom, a methyl group, an ethyl group, a methoxy group, or an ethoxy group; and R 9 represents a hydrogen atom, a methyl group, or a methoxy group; and said emulsion layer and optionally an adjacent hydrophilic colloid layer contains a polyalkylene oxide compound.
Claim 9
Dependent Claim 26 words
The lithographic material of claim 6, wherein said polyalkylene oxide compound is present in an amount of 0.01 to 10 g per mol of silver halide.
Claim 10
Dependent Claim 35 words
The lithographic material of claim 6, wherein said polyalkylene oxide compound is a condensate of a polyalkylene oxide containing at least 10 alkylene oxide units and a compound having at least one active hydrogen atom.
Claim 11
Dependent Claim 31 words
The lithographic material of claim 8, wherein said compound having at least one active hydrogen is water, an aliphatic alcohol, an aromatic alcohol, an aliphatic acid, an organic amine or hexitol.
Claim 12
Dependent Claim 51 words
The lithographic material of claim 6, wherein said polyalkylene oxide is selected from the group consisting of polyalkylene glycol, polyalkylene glycol alkyl ethers, polyalkylene glycol aryl ethers, polyalkylene glycol alkylaryl ethers, polyalkylene glycol esters, polyalkylene glycol aliphatic acid amides, polyalkylene glycol amines, polyalkylene glycol block copolymers and polyalkylene glycol graft copolymers.
Claim 13
Dependent Claim 18 words
The lithographic material of claim 6, wherein said polyalkylene oxide compound contains 14 to 100 alkylene oxide units.
Claim 14
Dependent Claim 20 words
The lithographic material of claim 6, wherein said polyalkylene oxide compound has a molecular weight of about 300 to 1,500.
Claim 15
Dependent Claim 32 words
The lithographic material of claim 6, wherein said silver halide is silver chlorobromide or silver chloroiodobromide containing at least about 60 mol% silver chloride and about 0 to 5 mol% silver iodide.
Claim 16
Dependent Claim 19 words
A method for forming images which comprises exposing the lithographic material of claim 6 and infectiously developing said material.
Claim 17
Dependent Claim 25 words
The process of claim 14, wherein said infectious developing solution contains an o- or p-dihydroxybenzene, an alkali, free sulfite and a sulfurous acid ion buffer.
Claim 18
Dependent Claim 12 words
The process of claim 14, wherein said developing solution additionally contains diethanolamine.
Claim 19
Dependent Claim 18 words
The silver halide emulsion of claim 1, wherein R 5 represents a hydrogen atom or a chloride atom.
Claim 20
Dependent Claim 17 words
The lithographic material of claim 6, wherein R 5 represents a hydrogen atom or a chlorine atom.
Claim 21
Dependent Claim 12 words
The silver halide emulsion of claim 1, wherein R 5 is hydrogen.
Claim 22
Dependent Claim 11 words
The lithographic material of claim 6, wherein R 5 is hydrogen.
Claim 23
Dependent Claim 23 words
The silver halide emulsion of claim 1, wherein R 8 and R 9 are selected from the group consisting of hydrogen and methyl.
Claim 24
Dependent Claim 22 words
The lithographic material of claim 6, wherein R 8 and R 9 are selected from the group consisting of hydrogen and methyl.

References Cited (Backward Citations)

US2839403A Cited
US3765901A Cited
US3765900A Cited
US4154616A Cited
US4014702A Cited
US4172728A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-05-04 1984-11-03 1985-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-05-04 1988-11-03 1989-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-05-04 1992-11-03 1993-05-05 $7700.00 Window Closed / Lapsed

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