1
Soeda Koichi, Hayashi Hiroshi, Matsuhisa Makoto, Sato Kazuhiro, Ashiyahara Satoru, Tsuchiya Kazuyoshi, Hosono Katsuo, Kinoshita Mitsuo, Miura Yoshimasa: Self-leveling water-base composition. Chichibu Onoda Cement, Takemoto Oil & Fat, August 7, 1996: EP0725044-A1 (50 worldwide citation)

The present invention relates to a self-leveling aqueous composition comprising 100 parts by weight of a base material which is a mixture of cement and natural type-II anhydrous gypsum which are mixed in a weight ratio from 40/60 to 80/20, 0.1 to 3 parts by weight of an acrylic dispersant or a dispe ...


2
Soeda Koichi, Hosono Katsuo, Hayashi Hiroshi, Yamada Kazuo, Matsuhisa Makoto, Ashiyahara Satoru, Maeda Hirokazu, Furuta Hitoshi, Hattori Mitsuo: Cement composition. Fuji Oil, January 15, 1997: EP0753489-A1 (2 worldwide citation)

A cement composition comprising a cement base and hemicellulose. The cement composition produces reduced efforescence and less bleeding. Self-leveling materials containing the cement composition also produce reduced efforescence and less bleeding and exhibit improved surface adhesion strength.


3
Soeda Koichi, Hayashi Hiroshi, Matsuhisa Makoto, Sato Kazuhiro, Ashiyahara Satoru, Tsuchiya Kazuyoshi, Hosono Katsuo, Kinoshita Mitsuo, Miura Yoshimasa: Self-leveling water-base composition. Chichibu Onoda Cement Corporation, Takemoto Yushi Kabushiki Kaisha, Soeda Koichi, Hayashi Hiroshi, Matsuhisa Makoto, Sato Kazuhiro, Ashiyahara Satoru, Tsuchiya Kazuyoshi, Hosono Katsuo, Kinoshita Mitsuo, Miura Yoshimasa, ARUGA Mitsuyuki, April 27, 1995: WO/1995/011204

A self-leveling water-base composition comprising 100 parts by weight of a base material comprising a mixture of cement with natural, type II anhydrous gypsum in a weight ratio of 40/60 to 80/20, a dispersant comprising 0.1-3 parts by weight of an acrylic dispersant alone or together with 0.1-2 part ...


4
Sone Noriaki, Tanigawa Koichi, Koyanaka Akihiro, Kato Masahiro, Tanosaki Takao, Nozaki Kenji, Shirasaka Masaru, Matsuhisa Masato, Ashiyahara Satoru, Soeda Koichi: Mortar or concrete composition. Chichibu Onoda Cement, June 17, 1997: JP1997-156971

PROBLEM TO BE SOLVED: To obtain a mortar or a concrete composition, capable of quickly and simply judging the usability thereof as an admixture for a cement or a concrete by typical characteristics, ensuring the use of a large amount of coal ash (fly ash) and a prescribed fluidity and air-entraining ...


5
Matsuhisa Masato, Hayashi Hiroshi, Ashiyahara Satoru, Hosono Katsuo, Kinoshita Mitsuo, Miura Yoshimasa, Takahashi Tomoo: Efflorescence preventing method of self-leveling water based composition hardened body. Chichibu Onoda Cement, Takemoto Oil &Amp Fat, October 17, 1995: JP1995-267712

PURPOSE: To prevent the efflorescence of a hardened body and to improve the lowering of fluidity at a low temp. by adding a specific cement dispersing agent into a self-leveling water based composition containing a based material, water, an aggregate, a thickener and a deforming agent, placing and h ...


6
Soeda Koichi, Hayashi Hiroshi, Matsuhisa Masato, Sato Kazuhiro, Ashiyahara Satoru, Hosono Katsuo, Kinoshita Mitsuo, Miura Yoshimasa: Self-leveling aqueous composition. Chichibu Onoda Cement, Takemoto Oil &Amp Fat, October 17, 1995: JP1995-267704

PURPOSE: To obtain a self-leveling aqueous composition capable of keeping high fluidity for a long term, attaining excellent workability and excellent strength development by using a cement mixed with natural type 11 anhydrous gypsum in a specific ratio as a base material and an acrylic dispersing a ...


7
Arai Norihiko, Matsuhisa Masato, Ashiyahara Satoru, Soeda Koichi: Rust-preventive agent and rust-preventive composition for kneaded cement mixture. Chichibu Onoda Cement, April 14, 1998: JP1998-095650

PROBLEM TO BE SOLVED: To achieve a good rust-preventive effect on a cement mixture having high chlorine content even by the addition of a small amount of a preventive agent by using an agent containing a specific dicarboxylic acid compound and slag. SOLUTION: A conventional cement is compounded with ...