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
1980-07-22
1982-12-07
Lieberman, Paul
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...
523116, A61K 608, C08F29106, C08K 336
Patent
active
043628427
ABSTRACT:
A composite filler obtained by precuring the acrylate or methacrylate of a polyhydric alcohol having at least three ethylenically unsaturated groups in the molecule thereof by using a free-radical initiator in the presence of an inorganic filler, followed by grinding the resultant prepolymer is described. This composite filler remarkably improves the stiffness and hardness of organic resins and rubbers, and prevents a decrease in the impact strength and bending strength of organic resins and rubbers when the composite fillers are compounded into the organic resins and rubbers. Furthermore, a dental composition obtained from the polymerization of a vinyl compound in the presence of the above-mentioned composite filler is described. This dental composition has excellent properties, such as, high hardness, high strength, good adhesiveness, and is suitable for use as dental materials.
REFERENCES:
patent: 3821158 (1974-06-01), Westermann et al.
patent: 3833682 (1974-09-01), Dickie et al.
patent: 3835090 (1974-09-01), Gander et al.
patent: 3907656 (1975-09-01), Souza
patent: 3988393 (1976-10-01), Gallagher
patent: 4043988 (1977-08-01), Cooke et al.
patent: 4082895 (1978-04-01), Backderf et al.
patent: 4200980 (1980-05-01), Johnston
patent: 4221698 (1980-09-01), Lee et al.
Derwent Abst. 40150 V/29 (DT 2163660), Ford-Werke, (7-5-73).
Derwent Abst. 29409 X/16 (J76008975), Yamauchmi, M., (3-23-76).
Derwent Abst. 85058 V/49, (J49057054), Mochida, (6-3-74).
Masuhara Eiichi
Nagata Katsuhisa
Nakabayashi Nobuo
Takeyama Morio
Lieberman Paul
Lilling Herbert J.
Mitsui Petrochemical Industries Ltd.
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