Photographic silver halide recording material with cellulose dicarboxylic acid semiester particles in outer layer

US4603102A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Wolfgang Himmelmann · Leverkusen, DE
• Fritz Nittel · Leverkusen, DE
• Rudolf Meyer · Leverkusen, DE
• Lothar Rosenhahn · Neunburg vorm Wald, DE

Key dates

• Filing date: Jun 26, 1985
• Grant date: Jul 29, 1986
• Expiry date: Jun 26, 2005

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S430/151
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

The photographic silver halide recording material contains particles of a hydroxyalkyl-alkyl cellulose dicarboxylic acid semiester having a particle size of from 0.5 to 8 .mu.m and a particle size distribution of up to .+-.2 .mu.m dispersed in a hydrophilic colloid in at least one of its outermost layers.