Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1991-12-16
1993-10-19
Brammer, Jack P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
430281, 522 90, 522908, G08F 246
Patent
active
052546047
ABSTRACT:
A light-polymerizable resin composition for the preparation of clasp patterns comprises (a) a light-polymerizable compound having at least one ethylenically unsaturated double bond, (b) an organic filler material, (c) a light polymerization initiator and (d) a reducing agent. The light-polymerizable compound is solid at normal temperature, and may be a mono- or polyfunctional acrylate or methacrylate.
REFERENCES:
patent: 4387139 (1983-06-01), Herwig et al.
patent: 4668529 (1987-05-01), Blair
patent: 4746469 (1988-05-01), Yamashita
patent: 4771084 (1988-09-01), Kubota et al.
Hasegawa Akira
Mori Hiroshi
Takahashi Tatsuhiko
Brammer Jack P.
G-C Toshi Kogyo Corporation
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