4-Quinazolone compounds
AssigneeBASF SE
InventorsReinhard Aldag, Peter Neumann, Andreas Boettcher, Thomas Bluemel, Friedrich Seitz
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Abstract
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.
Claims3
A 4-quinazolone compound of the formula ##STR11## where X.sup.1, X.sup.2, X.sup.3 and X.sup.4 are identical to or different from each other and are each hydrocarbyl of 1 to 12 carbon atoms which may be substituted by OH, CN, halogen, phenyl, -O-CO-C.sub.1 - to -C.sub.6 -alkyl, -CO-O-C.sub.1 - to -C.sub.6 -alkyl or oxaalkyl of 3 to 12 carbon atoms and 1 to 5 oxygen atoms.
Dependencies are inferred from the claim text.