Patent JPS5290932A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPS5290932A Expired / Lapsed JP ⏱️ 0.0 years remaining

Formation of color photographic image

Assignee: Fujifilm Holdings Corp
•
Filing: 1976-01-26
•
Granted: —
•
Expires: 1996-01-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE: To remove conventional defects, such as insufficient coupling reactivity, remarkable color fogging, insufficient dispersibility ready to cause coating troubles, and instability of compounds, by using a 2-equivalent coupler having a specified releasable group. COPYRIGHT: (C)1977,JPO&Japio

Inventors

  • 👤 Yukio Yokota
  • 👤 Toshiaki Aono
  • 👤 Takeshi Hirose

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-10 01:09
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D233/00; C07D233/54; C07D233/56; C07D233/66; C07D233/72; C07D249/00; C07D249/02; C07D249/08; G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30541

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag