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US4429031A Expired / Lapsed US ⏱️ 0.0 years remaining

Color diffusion transfer photographic element

Assignee: Fujifilm Holdings Corp
•
Filing: 1980-10-03
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Granted: 1984-01-31
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Expires: 2000-10-03
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Abstract

Abstract A color diffusion transfer photographic element is disclosed, comprising (a) a photosensitive component containing at least one photosensitive silver halide emulsion layer combined with a DRR compound, (b) a dye image receiving component and (c) an alkaline processing composition component, wherein the improvement comprises at least one of said components (a), (b), and (c) containing a compound represented by the formula (I) ##STR1## wherein R represents a substituted or unsubstituted alkyl group having from 1 to 18 carbon atoms.

Inventors

  • 👤 Motohiko Tsubota
  • 👤 Masakazu Morigaki
  • 👤 Tsutomu Hamaoka
  • 👤 Nobutaka Ohki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 00:18
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/30; G03C5/3021; G03C8/00; G03C8/32; G03C8/36

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 77 words
A color diffusion transfer photographic element comprising (a) a photosensitive component containing at least one photosensitive silver halide emulsion layer combined with a DRR compound, (b) a dye image receiving component and (c) an alkaline processing composition component, wherein the improvement comprises at least one of said components (a), (b), and (c) containing a compound represented by the formula (I) ##STR20## wherein R represents a substituted or unsubstituted alkyl group having from 1 to 18 carbon atoms.
Claim 2
Dependent Claim 77 words
A color diffusion transfer photographic element comprising (a) a photosensitive component containing at least one photosensitive silver halide emulsion layer combined with a DRR compound, (b) a dye image receiving component and (c) an alkaline processing composition component, wherein the improvement comprises at least one of said components (a), (b), and (c) containing a compound represented by the formula (I) ##STR20## wherein R represents a substituted or unsubstituted alkyl group having from 1 to 18 carbon atoms.
Claim 3
Dependent Claim 26 words
A color diffusion transfer photographic element as in claim 1 wherein R represents a substituted or unsubstituted alkyl group having from 1 to 8 carbon atoms.
Claim 4
Dependent Claim 71 words
A color diffusion transfer photographic element as in claim 1 wherein R is selected from the group consisting of a methyl group, an ethyl group, a methoxyethyl group, an n-propyl group, an iso-propyl group, an allyl group, an n-butyl group, an iso-butyl group, a t-amyl group, an n-octyl group, a t-octyl group, an n-octadecyl group, an n-hexadecyl group, a sec-hexadecyl group, an n-pentadecyl group, an n-octadecyl group, and a sec-octadecyl group.
Claim 5
Dependent Claim 69 words
A color diffusion transfer photographic element as in claim 1, 2, or 3 wherein R is substituted by a member selected from the group consisting of a hydroxyl group, a halogen atom, a sulfone group, a carboxyl group, an amino group, an alkyloxy group, an alkylthio group, an aryloxy group, an arylthio group, a sulfonamido group, a sulfamoyl group, an alkylamido group, an aldehydo group and a 3,4-methylene-dioxyphenyl group.
Claim 6
Dependent Claim 28 words
A color diffusion transfer photographic element as in claim 1, 2, or 3 wherein the compound according to formula (I) is contained in alkaline processing composition component (c).
Claim 7
Dependent Claim 25 words
A color diffusion transfer photographic element as in claim 4 wherein the compound according to formula (I) is contained in alkaline processing composition component (c).
Claim 8
Dependent Claim 40 words
A color diffusion transfer photographic element as in claim 5 wherein the compound according to formula (I) is present in the alkaline processing composition component (c) at a concentration of from about 0.01 to 1 g/Kg of the processing composition.
Claim 9
Dependent Claim 40 words
A color diffusion transfer photographic element as in claim 6 wherein the compound according to formula (I) is present in the alkaline processing composition component (c) at a concentration of from about 0.01 to 1 g/Kg of the processing composition.

References Cited (Backward Citations)

US4254216A Cited
US4201578A Cited
US4277558A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-01-30 1987-08-01 1988-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-01-30 1991-08-01 1992-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-01-30 1995-08-01 1996-01-31 $7700.00 Window Closed / Lapsed

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