Processing color photographic materials

US5756268A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Edgar Draber · Odenthal, DE
• Rudolf Tromnau · Cologne, DE
• Manfred Peters · Bad Schwartau, DE

Key dates

• Filing date: Apr 21, 1997
• Grant date: May 26, 1998
• Expiry date: Apr 21, 2017

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C5/263
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

If a color photographic material, which is processed by the process steps a) image-by-image exposure, b) color developing, c) bleaching, d) fixing, e) washing or stabilizing, and f) drying, wherein steps c) and d) may be combined to constitute bleach-fixing, is subjected to a temperature treatment of 0.01 to 30 seconds at 60 to 240.degree. C. between exposure and color developing, an increase of the contrast can thereby be obtained.