Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1988-01-05
1989-05-02
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523116, 525100, 525479, 525102, C08L 8306
Patent
active
048268933
ABSTRACT:
A dental resin composition comprising (a) a siloxane polymer obtained by polymerizing an oligomer comprising (I) a silane compound containing therein an ethyleneically unsaturated group having bonded thereto (II) a silane compound containing therein a phenyl group or an alkyl group, (b) a monomer copolymerizable with said siloxane polymer (a), and (c) a polymerization catalyst, and optionally, (d) a filler, is disclosed. The dental resin composition of the invention is markedly improved in physical properties such as compressive strength, bending strength, abrasion resistance, and water sorption and therefore, it is quite useful as a denture base resin, a crown and bridge resin, and a filling resin in the dentistry.
REFERENCES:
patent: 3575910 (1971-04-01), Thomas
patent: 4413104 (1983-11-01), Deubzer et al.
patent: 4504231 (1985-03-01), Koblitz et al.
Kurata Shigeaki
Yamanaka Akira
Yamazaki Noboru
Briggs Sr. Wilbert J.
G-C Dental Industrial Corp.
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