The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2011
Filed:
Aug. 30, 2006
Akira Ono, Osakasayama, JP;
Hisashi Inokawa, Takarazuka, JP;
Tsuyoshi Hirata, Kobe, JP;
Hirokatsu Kawakami, Izumiotsu, JP;
Masami Hattori, Takatsuki, JP;
Akira Ono, Osakasayama, JP;
Hisashi Inokawa, Takarazuka, JP;
Tsuyoshi Hirata, Kobe, JP;
Hirokatsu Kawakami, Izumiotsu, JP;
Masami Hattori, Takatsuki, JP;
Sumitomo Osaka Cement Co., Ltd, Tokyo, JP;
Nippon Shokubai Co., Ltd, Osaka-Shi, JP;
Abstract
To provide an ultrarapid hardening cement composition with high strength, the composition having: excellent fluidity; excellent usable time; and excellent initial strength under low temperature atmosphere as well as under general temperature atmosphere, and improving strength and durability of a hardening product of the composition. An ultrarapid cement hardening composition comprising: an ultrarapid hardening cement (A) comprising a calcium aluminate; and a cement dispersant (B), wherein the cement dispersant (B) comprises a copolymer having: a repeating unit derived from a monomer represented by the following formula (1) and formula (2) as defined in the specification.