Molded article of methacrylic resin
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United States of America Patent
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Apr 9, 1991
Issued Date -
N/A
app pub date -
Nov 17, 1988
filing date -
Jan 16, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A molded article of methacrylic resin formed of a cross-linked polymer having at least part of the surface thereof coated with an abrasion resistant layer in contact with a basic molding material made of a methacrylic partially cross-linked gel thereby allowing the methacrylic partially cross-linked gel consequently produced to possess the property of retaining the polymerization in a stopped state, and simultaneously polymerizing said two materials held in mutual contact under a condition capable of imparting a desired shape to the combined materials.
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