Keil & Weinkauf
4-Quinazolone compounds
 Novel photopolymerizable recording materials suitable in particular for producing photoresist layers and lithographic printing plates are composed of one or more photopolymerizable, olefinically unsaturated organic compounds, optionally a polymeric binder, a photopolymerization initiator, a color-forming system composed of a color former and a photooxidant, novel 4-quinazolone compounds as sensitizers and optionally further additive and/or auxiliary substances. 
BASF Aktiengesellschaft
G G Y Y
G03F G03F Y10S Y10S
inventional inventional additional additional
Friedrich Reinhard Peter Andreas Thomas
Seitz Aldag Neumann Boettcher Bluemel