Production of photographic silver halide emulsion

US4297439A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Peter Bergthaller · Bensberg, DE
• Wilhelm Saleck
• Otto Lapp · Leverkusen, DE
• Bruno Mucke · Bensberg, DE

Key dates

• Filing date: May 29, 1979
• Grant date: Oct 27, 1981
• Expiry date: May 29, 1999

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C1/09
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New thioethers of the formula ##STR1## in which Ac represents an acyl radical have been found. They are useful for producing silver halide emulsions for photographic materials.