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US5057407A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver halide photographic material

Assignee: Fujifilm Corp
•
Filing: 1990-06-26
•
Granted: 1991-10-15
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Expires: 2010-06-26
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Abstract

Abstract A silver halide photographic material having provided on a support at least one kind of light-sensitive silver halide emulsion layer and contains polymer particles having a mean size of 0.2 to 10 microns as a matting agent in an outermost layer or in a layer neighboring the outermost layer, wherein the polymer particles containing at least one kind of reactive functional group capable of forming a covalent bond by reacting with an organic hardener or a binder to prevent the falling-off and elution of the particles from the material during rapid photographic processing.

Inventors

  • 👤 Hisashi Okamura
  • 👤 Yasuo Mukunoki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:23
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/95; G03C1/005; G03C1/06; G03C1/32; G03C1/7614; Y; Y10; Y10S; Y10S430/00; Y10S430/151; Y10S430/162

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 435 words
A multilayer silver halide photographic element which comprises: a support; a first layer positioned on said support containing a light-sensitive silver halide emulsion; and an outermost layer positioned on said first layer, wherein said first layer and said outermost layer contain at least one component selected from the group consisting of an organic hardener selected from the group consisting of reactive halogen-containing compounds, isocyanates, aziridine compounds, epoxy compounds, and isooxazole compounds and a binder selected from the group consisting of gelatin, gelatin derivatives, cellulose derivatives, sugar derivatives, synthetic hydrophilic colloids, and hydrolysis products of synthetic hydrophilic colloids; and wherein vinyl polymer particles having a mean size of 0.5 to 10 microns are present in an amount of from 5 to 500 mg per m 2 in said first layer and form a matte surface for said element, at least 1 mol % of said vinyl polymer particles containing at least one reactive functional group selected from the group consisting of the groups represented by formulae (1) through (14) that forms a covalent bond with said binder or said organic hardener: --SO.sub.2.sup.- M.sup.+ ( 1) wherein M + represents an alkali metal ion or an ammonium ion; --NHR (2) where R represents a hydrogen atom, an alkyl group, or an aralkyl group; ##STR22## where X represents --O-- or ##STR23## wherein R is the same as described under general formula (2), above, and Y represents an electron attractive group where Y may form a ring by connecting with X or another group in said vinyl polymer particles; --SO.sub.2 CH═CH.sub.2 ( 4) --SO.sub.2 CH.sub.2 CH.sub.2 X.sub.1 ( 5) where X 1 is a group that splits off through a substitution reaction or an elimination reaction when the --SO 2 CH 2 CH 2 -- moiety reacts with a nucleophilic reagent or a base; ##STR24## where X 2 represents a single bond, --O--, or ##STR25## wherein R is the same as described under general formula (2), above and Y 1 and Z each independently represent a halogen atom, an alkoxy group, a hydroxy group, a salt of a hydroxy group, or an amino group which may be substituted provided that at least Y 1 or Z is a halogen atom; ##STR26## wherein X 1 is the same as described in general formula (5), above; ##STR27## wherein X 3 represents a group that splits off upon reaction of the ##STR28## moiety with an amino group; --X.sub.4 --OH (13) wherein X 4 represents a substituted or unsubstituted arylene group which may be derived from a heterocyclic ring; and ##STR29## wherein Y is the same as described under general formula (3), above.
Claim 2
Dependent Claim 435 words
A multilayer silver halide photographic element which comprises: a support; a first layer positioned on said support containing a light-sensitive silver halide emulsion; and an outermost layer positioned on said first layer, wherein said first layer and said outermost layer contain at least one component selected from the group consisting of an organic hardener selected from the group consisting of reactive halogen-containing compounds, isocyanates, aziridine compounds, epoxy compounds, and isooxazole compounds and a binder selected from the group consisting of gelatin, gelatin derivatives, cellulose derivatives, sugar derivatives, synthetic hydrophilic colloids, and hydrolysis products of synthetic hydrophilic colloids; and wherein vinyl polymer particles having a mean size of 0.5 to 10 microns are present in an amount of from 5 to 500 mg per m 2 in said first layer and form a matte surface for said element, at least 1 mol % of said vinyl polymer particles containing at least one reactive functional group selected from the group consisting of the groups represented by formulae (1) through (14) that forms a covalent bond with said binder or said organic hardener: --SO.sub.2.sup.- M.sup.+ ( 1) wherein M + represents an alkali metal ion or an ammonium ion; --NHR (2) where R represents a hydrogen atom, an alkyl group, or an aralkyl group; ##STR22## where X represents --O-- or ##STR23## wherein R is the same as described under general formula (2), above, and Y represents an electron attractive group where Y may form a ring by connecting with X or another group in said vinyl polymer particles; --SO.sub.2 CH═CH.sub.2 ( 4) --SO.sub.2 CH.sub.2 CH.sub.2 X.sub.1 ( 5) where X 1 is a group that splits off through a substitution reaction or an elimination reaction when the --SO 2 CH 2 CH 2 -- moiety reacts with a nucleophilic reagent or a base; ##STR24## where X 2 represents a single bond, --O--, or ##STR25## wherein R is the same as described under general formula (2), above and Y 1 and Z each independently represent a halogen atom, an alkoxy group, a hydroxy group, a salt of a hydroxy group, or an amino group which may be substituted provided that at least Y 1 or Z is a halogen atom; ##STR26## wherein X 1 is the same as described in general formula (5), above; ##STR27## wherein X 3 represents a group that splits off upon reaction of the ##STR28## moiety with an amino group; --X.sub.4 --OH (13) wherein X 4 represents a substituted or unsubstituted arylene group which may be derived from a heterocyclic ring; and ##STR29## wherein Y is the same as described under general formula (3), above.
Claim 3
Dependent Claim 22 words
A silver halide photographic element according to claim 1, wherein said vinyl polymer particles have a molecular weight of at least 5,000.
Claim 4
Dependent Claim 33 words
A silver halide photographic element according to claim 1, wherein the total thickness of the photographic layers external to said first layer is less than said means size of said vinyl polymer particles.
Claim 5
Dependent Claim 29 words
A silver halide photographic element according to claim 1, wherein said binder is selected from the group consisting of gelatin, graft copolymers of gelatin, gelatin derivatives, dextran and polyacrylamide.
Claim 6
Dependent Claim 28 words
A silver halide photographic element according to claim 3, wherein the ratio of the thickness of said outermost layer to said first layer is from 1/100 to 100/1.
Claim 7
Dependent Claim 42 words
A silver halide photographic element according to claim 1, wherein said vinyl polymer particles are homopolymers of a vinyl monomer containing said at least one reactive functional group or a copolymer of said vinyl monomer and at least one other different monomer.
Claim 8
Dependent Claim 33 words
A silver halide photographic element according to claim 1, wherein said vinyl polymer particles are covered with gelatin covalently bonded to said at least one reactive functional group of said vinyl polymer particles.
Claim 9
Dependent Claim 435 words
A multilayer silver halide photographic element which comprises: a support; a first layer positioned on said support containing a light-sensitive silver halide emulsion; and an outermost layer positioned on said first layer, wherein said first layer and said outermost layer contain at least one component selected from the group consisting of an organic hardener selected from the group consisting of reactive halogen-containing compounds, isocyanates, aziridine compounds, epoxy compounds, and isooxazole compounds and a binder selected from the group consisting of gelatin, gelatin derivatives, cellulose derivatives, sugar derivatives, synthetic hydrophilic colloids, and hydrolysis products of synthetic hydrophilic colloids; and wherein vinyl polymer particles having a mean size of 0.5 to 10 microns are present in an amount of from 5 to 500 mg per m 2 in said outermost layer and form a matte surface for said element, at least 1 mol % of said vinyl polymer particles containing at least one reactive functional group selected from the group consisting of the groups represented by formulae (1) through (14) that forms a covalent bond with said binder or said organic hardener: --SO.sub.2.sup.- M.sup.+ ( 1) wherein M + represents an alkali metal ion or an ammonium ion; --NHR (2) where R represents a hydrogen atom, an alkyl group, or an aralkyl group; ##STR30## where X represents --O-- or ##STR31## wherein R is the same as described under general formula (2), above, and Y represents an electron attractive group where Y may form a ring by connecting with X or another group in said vinyl polymer particles; --SO.sub.2 CH═CH.sub.2 ( 4) --SO.sub.2 CH.sub.2 CH.sub.2 X.sub.1 ( 5) where X 1 is a group that splits off through a substitution reaction or an elimination reaction when the --SO 2 CH 2 CH 2 -- moiety reacts with a nucleophilic reagent or a base; ##STR32## where X 2 represents a single bond, --O--, or ##STR33## wherein R is the same as described under general formula (2), above and Y 1 and Z each independently represent a halogen atom, an alkoxy group, a hydroxy group, a salt of a hydroxy group, or an amino group which may be substituted provided that at least Y 1 or Z is a halogen atom; ##STR34## wherein X 1 is the same as described in general formula (5), above; ##STR35## wherein X 3 represents a group that splits off upon reaction of the ##STR36## moiety with an amino group; --X.sub.4 --OH (13) wherein X 4 represents a substituted or unsubstituted arylene group which may be derived from a heterocyclic ring; and ##STR37## wherein Y is the same as described under general formula (3), above.
Claim 10
Dependent Claim 435 words
A multilayer silver halide photographic element which comprises: a support; a first layer positioned on said support containing a light-sensitive silver halide emulsion; and an outermost layer positioned on said first layer, wherein said first layer and said outermost layer contain at least one component selected from the group consisting of an organic hardener selected from the group consisting of reactive halogen-containing compounds, isocyanates, aziridine compounds, epoxy compounds, and isooxazole compounds and a binder selected from the group consisting of gelatin, gelatin derivatives, cellulose derivatives, sugar derivatives, synthetic hydrophilic colloids, and hydrolysis products of synthetic hydrophilic colloids; and wherein vinyl polymer particles having a mean size of 0.5 to 10 microns are present in an amount of from 5 to 500 mg per m 2 in said outermost layer and form a matte surface for said element, at least 1 mol % of said vinyl polymer particles containing at least one reactive functional group selected from the group consisting of the groups represented by formulae (1) through (14) that forms a covalent bond with said binder or said organic hardener: --SO.sub.2.sup.- M.sup.+ ( 1) wherein M + represents an alkali metal ion or an ammonium ion; --NHR (2) where R represents a hydrogen atom, an alkyl group, or an aralkyl group; ##STR30## where X represents --O-- or ##STR31## wherein R is the same as described under general formula (2), above, and Y represents an electron attractive group where Y may form a ring by connecting with X or another group in said vinyl polymer particles; --SO.sub.2 CH═CH.sub.2 ( 4) --SO.sub.2 CH.sub.2 CH.sub.2 X.sub.1 ( 5) where X 1 is a group that splits off through a substitution reaction or an elimination reaction when the --SO 2 CH 2 CH 2 -- moiety reacts with a nucleophilic reagent or a base; ##STR32## where X 2 represents a single bond, --O--, or ##STR33## wherein R is the same as described under general formula (2), above and Y 1 and Z each independently represent a halogen atom, an alkoxy group, a hydroxy group, a salt of a hydroxy group, or an amino group which may be substituted provided that at least Y 1 or Z is a halogen atom; ##STR34## wherein X 1 is the same as described in general formula (5), above; ##STR35## wherein X 3 represents a group that splits off upon reaction of the ##STR36## moiety with an amino group; --X.sub.4 --OH (13) wherein X 4 represents a substituted or unsubstituted arylene group which may be derived from a heterocyclic ring; and ##STR37## wherein Y is the same as described under general formula (3), above.
Claim 11
Dependent Claim 22 words
A silver halide photographic element according to claim 8, wherein said vinyl polymer particles have a molecular weight of at least 5,000.
Claim 12
Dependent Claim 29 words
A silver halide photographic element according to claim 8, wherein said binder is selected from the group consisting of gelatin, graft copolymers of gelatin, gelatin derivatives, dextran, and polyacrylamide.
Claim 13
Dependent Claim 28 words
A silver halide photographic material according to claim 10, wherein the ratio of the thickness of said outermost layer to said first layer is from 1/100 to 100/1.
Claim 14
Dependent Claim 41 words
A silver halide photographic element according to claim 8, wherein said vinyl polymers are homopolymers of a vinyl monomer containing said at least one reactive functional group or a copolymer of said vinyl monomer and at least one other different monomer.
Claim 15
Dependent Claim 32 words
A silver halide photographic element according to claim 8, wherein said vinyl polymer particles are covered with gelatin covalently bonded to said at least one functional group of said vinyl polymer particles.

References Cited (Backward Citations)

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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) 1994-10-14 1995-04-15 1995-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-10-14 1999-04-15 1999-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-10-14 2003-04-15 2003-10-15 $7700.00 Window Closed / Lapsed

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