Expansive material and its preparation process

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United States of America Patent

PATENT NO 8663383
APP PUB NO 20120067251A1
SERIAL NO

13261027

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Abstract

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The invention provides an expansive material that allows for large expansion of concrete at a material age of 2 to 7 days after pouring and permits concrete to have higher initial compressive strength and makes sure good storage stability, and a process for preparing that expansive material.

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Patent Owner(s)

Patent OwnerAddress
DENKI KAGAKU KOGYO KABUSHIKI KAISHA1-1 NIHONBASHI-MUROMACHI 2-CHOME CHUO-KU TOKYO 103-8338

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higuchi, Takayuki Itoigawa, JP 41 282
Ishida, Hideaki Itoigawa, JP 21 662
Mori, Taiichiro Itoigawa, JP 6 1
Morioka, Minoru Itoigawa, JP 24 227
Yoshino, Ryoetsu Itoigawa, JP 4 7

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