Patent US1777512A successfully refreshed from Google Patents.
JPS5290932A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Formation of color photographic image
Assignee: Fujifilm Holdings Corp
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Filing: 1976-01-26
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Granted: —
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Expires: 1996-01-26
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
2026-11-09 17:44
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
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