Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1991-10-08
1994-06-07
Berman, Susan
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
522904, 522908, 522913, 522182, 522 79, 522 81, 522 83, 523115, 523116, 523117, 525 92, 525 94, 525267, 525299, 4331681, 4332281, 4332221, C08F 248, C08F 400, C08F29300, A61K 608
Patent
active
053189990
ABSTRACT:
The present invention provides a novel dental composition and a method of making shaped dental articles therefrom via photoiniferter polymerization. The dental composition comprises acrylic photoiniferter block polymer, a monomer charge comprising free radically polymerizable acrylic monomer, and a filler and optionally includes pigments, sensitizers, medicaments, stabilizers, accelerators, etc. The dental composition is alternately exposed to a source of radiant energy and shaped in a desired manner in order to form a partially cured dental article. The partially cured dental article is then cured by a final exposure to the radiant energy source, providing a final cured article. The resultant reinforced acrylic copolymer system provides a shaped dental article which can be a denture base, a denture liner or a restorative.
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Ali Mahfuza B.
Mitra Sumita B.
Berman Susan
Dowdall Janice L.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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