Color photographic recording material

US4129446A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Joachim W. Lohmann · Odenthal, DE
• Otto Lapp · Leverkusen, DE
• Gerhard Kuhn · Altötting, DE

Key dates

• Filing date: May 17, 1977
• Grant date: Dec 12, 1978
• Expiry date: May 17, 1997

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C2007/3039
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

In a color photographic recording material comprising two red sensitive silverhalide emulsion layers of differing speed and two green sensitive silver halide emulsion layers of differing speed and a blue sensitive silver halide emulsion layer wherein each of the silver halide emulsion layers has associated with it a non-diffusing color coupler, and in which the more sensitive red sensitive silverhalide emulsion layer and the more sensitive green sensitive silver halide emulsion layer together form a comparatively more sensitive emulsion layer unit, the sensitivity for red and green light as well as for blue light is increased by placing the yellow filter layer immediately below the comparative more sensitive emulsion layer unit.