Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1983-06-09
1985-02-12
Bleutge, John C.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
20415924, 20415919, 430923, 430924, C08F 250
Patent
active
044989644
ABSTRACT:
Compounds of the formula I, II, III, IV or V ##STR1## in which Ar, X, Y, Y', R.sup.1 to R.sup.5 and R.sup.1' to R.sup.5' are as defined in claim 1, can be used as photoinitiators for the photopolymerization of unsaturated compounds. They can be prepared by a Diels-Alder reaction and/or a Grignard reaction.
REFERENCES:
patent: 4318791 (1982-03-01), Felder et al.
patent: 4347111 (1982-08-01), Gehlhaus et al.
Sasaki et al., Tetrahedron Letters 23, 1693-1696, (1982).
Dietliker Kurt
Husler Rinaldo
Rutsch Werner
Bleutge John C.
Ciba-Geigy Corporation
Falber Harry
Koeckert A. H.
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