Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1992-12-23
1994-10-18
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, 523117, A61K 608, C08J 320
Patent
active
053569512
ABSTRACT:
A composition for dental restorative material comprises a methacrylate or acrylate monomer, a specific organic/inorganic composite filler, a specific glass powder component having a specific particle diameter, a fine-particle filler having a specific particle diameter and a photopolymerization initiator, this composition being as excellent in surface smoothness as natural teeth, is less shrinkable by polymerization so that no gap can occur between the restorative material and the tooth having roentgenographic properties.
REFERENCES:
patent: 4388069 (1983-06-01), Orlowski
patent: 4649165 (1987-03-01), Kuhlman
Sakuma Tetsuro
Yearn John A.
DeWitt LaVonda
GC Corporation
Michl Paul R.
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