Initiator system for acid dental formulations

Details Initiator system for acid dental formulations Initiator system for acid dental formulations

2005-10-11

2005-10-11

Anthony, Joseph D. (Department: 1714)

Compositions

Chemically interactive reactants

Organic reactant admixed with inorganic reactant

C252S183120, C252S183110, C252S182170, C252S182230, C252S182340, C252S188200, C252S188100, C252S186430, C524S556000, C524S560000, C524S100000, C524S781000, C524S832000, C523S118000, C523S115000, C526S204000

Reexamination Certificate

active

06953535

ABSTRACT:
The invention relates to a redox initiator system which allows dental formulations to be cured in acidic medium by way of a free-radical polymerization and which ensures a high level of adhesion of the polymerizing composition to the hard substances of the teeth, namely enamel and, in particular, dentine.The redox initiator system comprises the following constituents:(A) from 14.9 to 50% by weight of a barbituric acid or thiobarbituric acid and/or of a barbituric or thiobarbituric acid derivative,(B) from 30 to 75% by weight of a peroxodisulfate compound and/or peroxodiphosphate compound,(C) from 10 to 35% by weight of a sulfinic acid compound, and(D) from 0.1 to 5% by weight of a copper compound.

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