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US3785828A Expired / Lapsed US ⏱️ 0.0 years remaining

Light-sensitive silver halide color photographic material

Assignee: Konica Minolta Inc
•
Filing: 1972-09-06
•
Granted: 1974-01-15
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Expires: 1992-09-06
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Abstract

Abstract Light sensitive silver halide color photographic materials containing novel coupler having the general formula: WHEREIN B is a coupler residue; R1 is hydrogen or a lower alkyl group; R2 is an aliphatic hydrocarbon group having eight to 18 carbon atoms; n is an integer of one to four; and A is an -NHCOor -CONH- group, provided that in case A is a -CONH- group, R1 is hydrogen and n three or four.

Inventors

  • 👤 M Iwama
  • 👤 T Yamamoto
  • 👤 I Inoue
  • 👤 T Hanzawa
  • 👤 T Endo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:53
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/44; C07D231/52; C09; C09B; C09B26/00; C09B26/02; G; G03; G03C; G03C7/00; G03C7/30; G03C7/32; G03C7/3212

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 55 words
A light-sensitive silver halide color photographic material as claimed in claim 1, wherein said compound is one member selected from the group consisting of: Alpha -(2-MethoxybenzOyl)-2-chloro-5- ( gamma -(3-octyloxyphenoxy) butylamide) acetanilide; 1-(2,4,6-Trichlorophenyl)-3-( Alpha -3-dodecyloxphenoxybutylamide)-5-pyrazolone; 1-(2,4-Dimethyl-6-chlorophenyl)-3-(3-dodecyloxyphenoxy-acetamide)-5 -pyrazolone; 1-(2,4,6-Trichlorophenyl)-3-(3-( Alpha -3-dodecylphenoxybutylamide) benzamide)-5-pyrazolone; 1-(2,4,6-Trichlorophenyl)-3-(3-( Alpha -3-dodecyloxyphenoxybutyrylamide) benzamide)-4-(4-methoxyphenylazo)-5-pyrazolone; 2,4-Dichloro-6-( Alpha -3-dodecyloxphenoxy-butylamide)-3-methylphenol; N-( delta -(3-Dodecyloxy)butyl)-1-hydroxy-2-naphthamide; and 4-(2-Acetylphenylazo)-N-( delta -3-dodecyloxphenoxy) butyl)-1-hydroxy-2-naphthamide.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-01-14 1977-07-16 1978-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-01-14 1981-07-16 1982-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-01-14 1985-07-16 1986-01-15 $7700.00 Window Closed / Lapsed

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