C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
96/169, 260/328
C07D 335/16 (2006.01) C08F 2/50 (2006.01) G03F 7/031 (2006.01) G03F 7/12 (2006.01) G03F 7/16 (2006.01)
Patent
CA 1277328
ABSTRACT THIOXANTHONE DERIVATIVES The invention provides thioxanthone derivatives of general formula Image (I) wherein one of R2, R3 and R4 is a group of formula Image (II) in which one of R5, R6 and R7 is an alkyl or a benzyl group, the others being alkyl groups and A represents an anion, and R1 and the others of R2, R3, and R4 are independently selected from hydrogen atoms, alkyl groups and alkoxy groups; and the use of such derivatives as photoinitiators, particularly in aqueous photopolymerisable compositions for the production of stencils for screen printing.
522382
Gawne George
Green Peter N.
Green William A.
Gawne George
Green Peter N.
Green William A.
Swabey Ogilvy Renault
Ward Blenkinsop & Company Limited
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