Gypsum dispersant

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United States of America Patent

PATENT NO 9382155
APP PUB NO 20150045512A1
SERIAL NO

14385204

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Abstract

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There is provided a gypsum dispersant and a gypsum additive that improve the fluidity of gypsum slurry even if gypsum raw materials used are different in quality and that do not induce delay of curing of gypsum slurry. A gypsum dispersant, including: (A) a polycarboxylic acid polymer; and (B) a polymer obtained by a reaction of an alkylene diamine and/or a monoamine and an epihalohydrin as essential components.

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Patent Owner(s)

Patent OwnerAddress
TOHO CHEMICAL INDUSTRY CO LTD6-4 AKASHI-CHO CHUO-KU TOKYO 1040044 ?1040044
YOSHINO GYPSUM CO LTDSHIN-TOKYO BLDG 3-1 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 100-0005

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikeda, Akira Sodegaura, JP 154 847
Koshisaka, Seiichi Sodegaura, JP 6 8
Sato, Katsutoshi Sodegaura, JP 52 343

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