Gypsum hardened body, gypsum panel, method for manufacturing gypsum hardened body, and method for manufacturing gypsum board

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United States of America Patent

PATENT NO 9802867
APP PUB NO 20170073271A1
SERIAL NO

15308947

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A gypsum hardened body including a gypsum slurry that has been hardened is provided. The gypsum slurry is obtained by mixing calcined gypsum, calcium hydrogen phosphate dihydrate, water, and foam. The specific gravity of the gypsum hardened body is greater than or equal to 0.3 and less than or equal to 0.8.

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Patent Owner(s)

Patent OwnerAddress
YOSHINO GYPSUM CO LTDSHIN-TOKYO BLDG 3-1 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 1000005 ?1000005

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itano, Hiroaki Tokyo, JP 1 1
Sato, Yosuke Tokyo, JP 185 1551
Sawada, Tomoaki Tokyo, JP 31 82
Sudo, Ushio Tokyo, JP 9 8

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