Photographic recording element containing a UV absorbent and a silver halide emulsion layer

US4749643A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Hans Ohlschlager · Bensberg, DE
• Hans Langen · Frechen, DE
• Johannes Sobel · Leverkusen, DE

Key dates

• Filing date: Aug 21, 1986
• Grant date: Jun 7, 1988
• Expiry date: Aug 21, 2006

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S430/132
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds with the structural unit ##STR1## are very valuable UV absorbents, especially in photographic recording materials.