Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-04-07
1996-07-09
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523115, 523116, 524379, 4332171, 433226, 4332281, C08K 510, A61K 608, A61C 500, A61C 504
Patent
active
055345620
ABSTRACT:
Compositions and methods for priming or sealing dental or biological substrates for subsequent bonding. The primer is particularly useful for priming dentin of a tooth to prepare the dentin for bonding with a resinous material. The primer comprises a mixture of a polymerization initiator such as camphoroquinone and a polymerizable promoter such as methacrylic acid. Polymerizable promoters within the scope of the present invention have at least one ethylenically unsaturated group and at least one carboxylic acid group. The primer may further comprise a solvent such as ethanol, a natural resin such as Canadian balsam and a polymerizable resin such as 2-hydroxyethyl methacrylate (HEMA). The primer can also be formed from a mixture of a polymerization initiator, a natural resin and a polymerizable resin.
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Fischer Dan E.
Jensen Steven D.
DeWitt LaVonda R.
Michl Paul R.
Ultradent Products Inc.
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