Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1981-10-29
1983-01-04
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521147, 521148, 521149, C08J 902
Patent
active
043672906
ABSTRACT:
A foamed article of poly-n-butyl methacrylate or a copolymer of n-butyl methacrylate and other vinyl monomer is obtained by allowing n-butyl methacrylate alone or n-butyl methacrylate in conjunction with the other vinyl monomer to stand at room temperature under a vacuum.
REFERENCES:
patent: 3708444 (1973-01-01), Gongler et al.
patent: 3760047 (1973-09-01), Goeth et al.
patent: 4139685 (1979-02-01), Schroeder
patent: 4187353 (1980-02-01), Schroeder
patent: 4246357 (1981-01-01), Hobes et al.
patent: 4314035 (1982-02-01), Hobes et al.
Ito Katsukiyo
Kodaira Kazuo
Agency of Industrial Science & Technology
Foelak Morton
Ministry of International Trade & Industry
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