Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1995-02-08
1997-04-15
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
523115, 523116, 433226, 4332281, 524441, 524492, C08K 338, C08K 308, C08K 340, A61F 200
Patent
active
056210353
ABSTRACT:
The preferred embodiment of the present invention provides novel and unique filler compositions and ceramic enhanced dental materials. The preferred embodiment of the filler composition and the ceramic dental restorative material is comprised of about 22% by weight alumina, about 78% by weight silica, about 2% by weight silicon carbide, and about 2.85% by weight boron nitride with less than 1% cristobalite contamination.
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Lyles Mark B.
Ritsco Ronald G.
DeWitt LaVonda R.
M.E.D. USA
Michl Paul R.
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