2-acylamino-9-arylacridines, process for their preparation and photosensitive mixtures containing them

US5834157A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Siegfried Scheler · Wiesbaden, DE
• Klaus Bergmann · Heilbronn, DE
• Gerhard Buhr · Königstein, DE

Key dates

• Filing date: Dec 23, 1996
• Grant date: Nov 10, 1998
• Expiry date: Dec 23, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S430/121
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## are suitable as photoinitiators in free-radical-polymerizable mixtures and are notable for a reduced tendency to diffusion and sublimation than comparable known compounds.