JPS58154751A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Disc board employing lowly hygroscopic acrylic resin
Assignee: Asahi Kasei Corp
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Filing: 1982-02-15
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Granted: —
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Expires: 2002-02-15
Abstract
Abstract PURPOSE:To provide a video (audio) disc board which does not suffer warpage caused by moisture absorption, by forming the disc board from a specified acrylic resin. CONSTITUTION:A disc board is formed by using an acrylic resin with a residual monomer content of o.6wt% or below, composed of 10-45wt% methyl methacrylate, 39-70wt% cyclohexyl methacrylate and 1-20wt% styrene.
Inventors
- 👤 Katsuaki Maeda
- 👤 前田 勝昭
- 👤 Shinichi Toyoshima
- 👤 真一 豊島
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 22:25
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
JPS57186241A
Cited
JPS585318A
Cited
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