C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
402/373, 260/613
C07F 9/32 (2006.01) C07F 9/53 (2006.01) C07F 9/547 (2006.01) C07F 9/6568 (2006.01) C08F 2/50 (2006.01) C08L 57/00 (2006.01) G03F 7/029 (2006.01)
Patent
CA 2022587
Compounds of the formula I (see formula I) in which at least one of the radicals R1, R2 and R3 is a substituted alkyl radical or cycloalkyl radical, or R1 and R2 together with the phosphorus atom form a monocyclic or tricyclic ring, are effective photoinitiators for the photopolymerization of ethylenically unsaturated compounds.
Dietliker Kurt
Hall Roger Graham
Rutsch Werner
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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