Patent US4490460A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4490460A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver halide color photographic materials

Assignee: Konica Minolta Inc
•
Filing: 1983-03-03
•
Granted: 1984-12-25
•
Expires: 2003-03-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A silver halide color photographic material in which the photographic characteristics do not deteriorate when contacted with formaldehyde.

Inventors

  • 👤 Satoru Shimba
  • 👤 Yoshikazu Watanabe
  • 👤 Kazuo Kato
  • 👤 Kiyotoshi Yamashita

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:38
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3003; G03C7/3005; G03C7/3008; G03C7/3012

Claims Analysis

Total Claims: 36
Claim 1
Independent Claim 385 words
A multi-layer light-sensitive silver halide color photographic material, comprising: (i) a support, and (ii) a magenta coupler containing layer on said support, said magenta coupler having the following formula I: ##STR14## wherein, R 1 represents an aryl group or a heterocyclic group; and R 2 represents a benzamide group, an anilino group or a phenylureido group which contains an ##STR15## group wherein R represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an amino group or a heterocyclic group; wherein at least one layer selected from the group consisting of (1) said magenta coupler containing layer, and (2) at least one layer on said magenta coupler containing layer positioned in the direction away from said support, contains at least one compound of the following formulas IIA, IIB, IIC or IID: ##STR16## wherein X 1 and X 2 each represent oxygen or an imino group; R 3 and R 4 each represent hydrogen, an acyl group or an alkyl group; and R 5 and R 6 each represent hydrogen, a hydroxyl group, an amino group, a ureido group, an alkyl group, an aryl group, an aryloxy group, an alkoxy group, and R 5 and R 6 can be coupled to produce a 5-6 membered saturated carbocyclic nucleus; ##STR17## wherein, X 3 and X 4 each represent oxygen or an imino group; R 7 and R 8 each represent hydrogen, an acyl group or an alkyl group; and R 9 represents an imino group or an alkylidene group; ##STR18## wherein X 5 represents oxygen or an imino group; R 10 and R 11 each represent hydrogen, an acyl group or an alkyl group; and R 12 , R 13 , R 14 and R 15 each represent hydrogen, a hydroxy group, an amino group, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, a ureido group, and R 12 and R 13 or R 14 and R 15 can be coupled to produce 5-6 membered saturated carbocyclic nucleus; and ##STR19## wherein X 6 represents oxygen; R 16 and R 17 each represent hydrogen or an alkyl group; and A represents --NH(CH 2 ) m --NHCO-- or --NHCO-- in which the terminal nitrogen atom couples to the carbon atom bonded to the X 6 group and m is 1 or 2.
Claim 2
Dependent Claim 385 words
A multi-layer light-sensitive silver halide color photographic material, comprising: (i) a support, and (ii) a magenta coupler containing layer on said support, said magenta coupler having the following formula I: ##STR14## wherein, R 1 represents an aryl group or a heterocyclic group; and R 2 represents a benzamide group, an anilino group or a phenylureido group which contains an ##STR15## group wherein R represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an amino group or a heterocyclic group; wherein at least one layer selected from the group consisting of (1) said magenta coupler containing layer, and (2) at least one layer on said magenta coupler containing layer positioned in the direction away from said support, contains at least one compound of the following formulas IIA, IIB, IIC or IID: ##STR16## wherein X 1 and X 2 each represent oxygen or an imino group; R 3 and R 4 each represent hydrogen, an acyl group or an alkyl group; and R 5 and R 6 each represent hydrogen, a hydroxyl group, an amino group, a ureido group, an alkyl group, an aryl group, an aryloxy group, an alkoxy group, and R 5 and R 6 can be coupled to produce a 5-6 membered saturated carbocyclic nucleus; ##STR17## wherein, X 3 and X 4 each represent oxygen or an imino group; R 7 and R 8 each represent hydrogen, an acyl group or an alkyl group; and R 9 represents an imino group or an alkylidene group; ##STR18## wherein X 5 represents oxygen or an imino group; R 10 and R 11 each represent hydrogen, an acyl group or an alkyl group; and R 12 , R 13 , R 14 and R 15 each represent hydrogen, a hydroxy group, an amino group, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, a ureido group, and R 12 and R 13 or R 14 and R 15 can be coupled to produce 5-6 membered saturated carbocyclic nucleus; and ##STR19## wherein X 6 represents oxygen; R 16 and R 17 each represent hydrogen or an alkyl group; and A represents --NH(CH 2 ) m --NHCO-- or --NHCO-- in which the terminal nitrogen atom couples to the carbon atom bonded to the X 6 group and m is 1 or 2.
Claim 3
Dependent Claim 38 words
The color photographic material of claim 1, wherein said compound has the formula IIA, and (i) said acyl group is an alkylcarbonyl, (ii) said alkyl groups, and (iii) said alkoxy groups, contain from 1 to 5 carbon atoms.
Claim 4
Dependent Claim 29 words
The color photographic material of claim 1, wherein said compound has the formula IIA, and (i) R 5 and R 6 are coupled and (ii) form cyclopentyl or cyclohexyl.
Claim 5
Dependent Claim 18 words
The color photographic material of claim 1, 2 or 3, wherein X 1 and X 2 are oxygen.
Claim 6
Dependent Claim 18 words
The color photographic material of claim 1, 2 or 3, wherein R 3 and R 4 are hydrogen.
Claim 7
Dependent Claim 15 words
The color photographic material of claim 4, wherein R 3 and R 4 are hydrogen.
Claim 8
Dependent Claim 21 words
The color photographic material of claim 1, 2 or 3, wherein R 5 and R 6 are each hydrogen or ureido.
Claim 9
Dependent Claim 18 words
The color photographic material of claim 6, wherein R 5 and R 6 are each hydrogen or ureido.
Claim 10
Dependent Claim 34 words
The color photographic material of claim 1, wherein said compound has the formula IIB and, (i) said acyl group is an alkylcarbonyl, and (ii) said alkyl groups, contain from 1 to 5 carbon atoms.
Claim 11
Dependent Claim 17 words
The color photographic material of claim 1 or 9, wherein R 7 and R 8 are hydrogen.
Claim 12
Dependent Claim 38 words
The color photographic material of claim 1, wherein said compound has the formula IIC and, (i) said acyl group is an alkylcarbonyl, (ii) said alkyl groups, and (iii) said alkoxy groups, contain from 1 to 5 carbon atoms.
Claim 13
Dependent Claim 20 words
The color photographic material of claim 1, wherein said compound has the formula IIC and said aryl group is phenyl.
Claim 14
Dependent Claim 20 words
The color photographic material of claim 1, wherein said compound has the formula IIC and said aryloxy group is phenoxy.
Claim 15
Dependent Claim 25 words
The color photographic material of claim 1, wherein said compound has the formula IIC and said 5-6 membered saturated carbocyclic nucleus is cyclopentyl or cyclohexyl.
Claim 16
Dependent Claim 25 words
The color photographic material of claim 1, wherein said compound has the formula IID and said alkyl group contains from 1 to 5 carbon atoms.
Claim 17
Dependent Claim 107 words
The color photographic material of claim 1 wherein said magenta coupler has the following formula IIIA or IIIB: ##STR20## wherein Y represents --NHCO-- group, --NH-- group or --NHCONH-- group; and R 18 , R 21 and R 22 each represent hydrogen, an alkyl, aryl, or heterocyclic group having from 1 to 18 carbon atoms; R 19 represents an alkyl or aryl group having from 1 to 18 carbon atoms, an alkoxy group having from 1 to 18 carbon atoms, an amino group; R 20 represents hydrogen, halogen, or an alkoxy group having from 1 to 4 carbon atoms; and n and m represent 1 or 2, respectively.
Claim 18
Dependent Claim 36 words
The color photographic material of claim 16, wherein R 1 is a phenyl group, a pyridyl group, a quinolyl group, a furyl group, a benzothiazolyl group, an oxazolyl group, an imidazolyl group or a naphthoxazolyl group.
Claim 19
Dependent Claim 36 words
The color photographic material of claim 16, wherein R 1 is phenyl substituted with a halogen atom, an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms.
Claim 20
Dependent Claim 43 words
The color photographic material of claim 16, wherein said heterocyclic group in R 18 , R 21 or R 22 is a pyridyl group, a quinolyl group, a furyl group, a benzothiazolyl group, an oxazolyl group, an imidazolyl group or a naphthoxazolyl group.
Claim 21
Dependent Claim 27 words
The color photographic material of claim 16, wherein said aryl group in R 18 , R 19 , R 21 or R 22 is a phenyl group.
Claim 22
Dependent Claim 42 words
The color photographic material of claim 20, wherein said phenyl group is phenyl substituted with an alkoxy group having 1 to 18 carbon atoms, an amido having 1 to 18 carbon atoms or an alkyl group having 1 to 18 carbon atoms.
Claim 23
Dependent Claim 17 words
The color photographic material of claim 16, wherein Y is --NHCO-- group and R 20 is hydrogen.
Claim 24
Dependent Claim 21 words
The color photographic material of claim 20, wherein Y is --NH-- group and R 20 is halogen or an alkoxy group.
Claim 25
Dependent Claim 21 words
The color photographic material of claim 16, wherein said compound is at least one compound of the formula IIA or IIB.
Claim 26
Dependent Claim 57 words
The color photographic material of claim 1, wherein said at least one compound of the formula IIA, IIB, IIC or IID is contained in at least one layer on said magenta coupler containing layer selected from a light-sensitive silver halide emulsion layer, an intermediate layer, an ultra-violet absorbing layer, a yellow filter layer, and a protective layer.
Claim 27
Dependent Claim 22 words
The color photographic material of claim 25, wherein said protective layer contains said compound having the formulas IIA, IIB, IIC, or IID.
Claim 28
Dependent Claim 37 words
The color photographic material of claim 1, wherein said compound having the formula IIA, IIB, IIC, or IID is added in an amount of about 0.1 to 5 g per sq meter of said color photographic material.
Claim 29
Dependent Claim 20 words
The color photographic material of claim 27, wherein said compound is added in an amount of 0.1 to 2 g.
Claim 30
Dependent Claim 40 words
The color photographic material of claim 1 or 28, wherein said magenta coupler containing layer comprises a silver halide and said magenta coupler is added in an amount of 5×10 -3 to 5 mol per mol of said silver halide.
Claim 31
Dependent Claim 16 words
The color photographic material of claim 29, wherein said amount is 1×10 -2 to 1 mol.
Claim 32
Dependent Claim 16 words
The color photographic material of claim 28, wherein said amount is 1×10 -2 to 1 mol.
Claim 33
Dependent Claim 44 words
The color photographic material of claim 30, wherein said at least one compound is a compound selected from the formulae IIA, IIB or IIC and R 3 , R 4 , R 7 , R 8 , R 10 and R 11 are hydrogen.
Claim 34
Dependent Claim 28 words
The color photographic material of claim 1, wherein said at least one compound is a compound of the formula IIC and R 10 and R 11 are hydrogen.
Claim 35
Dependent Claim 21 words
The color photographic material of claim 1, wherein said magenta coupler is a compound selected from the group consisting of ##STR21##
Claim 36
Dependent Claim 22 words
The color photographic material of claim 1, wherein said at least one compound is the following compound of the formula IIA ##STR22##

References Cited (Backward Citations)

US2895827A Cited
US3652278A Cited
US3844794A Cited
US3811891A Cited
US4243747A Cited
US4411987A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-12-25 1988-06-25 1988-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-12-25 1992-06-25 1992-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-12-25 1996-06-25 1996-12-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag