Process for the production of color photographic images and photographic recording materials

US4458009A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Edith Weyde
• Wilhelm Saleck
• Hubertus Psaar · Leverkusen, DE
• Anita von Konig · Krefeld, DE
• Hans hlschlager · Bensberg, DE

Key dates

• Filing date: Jan 10, 1983
• Grant date: Jul 3, 1984
• Expiry date: Jan 10, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S430/144
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Color photographic images are produced by decomposing hydrogen peroxide on nuclei present in imagewise distribution and bleaching out a dye by the hydrogen peroxide on those parts of the image where no such nuclei are present.