(Polyene-polythiol) dental compositions curable with visible light
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United States of America Patent
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Mar 31, 1992
Grant Date -
N/A
app pub date -
Oct 30, 1989
filing date -
Nov 4, 1988
priority date (Note) -
Expired
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Abstract
Photopolymerizable dental compositions are proposed which are curable with visible light and which apart from usual auxiliary substances and additives contain polymerizable monomers of the group of the poly-thiol compounds and of the group of the poly-ene compounds and a photoinitiator and which, in order to obtain a curing free from any smeary layer, contain at least 10% by weight poly-thiol compound(s), at least 10% by weight poly-ene compound(s) and 0.01 to 5% by weight of at least one acyl phosphine compound as photoinitiator. The compositions can advantageously be used as dental impression compositions.
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