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:
Oct. 24, 2006
Filed:
May. 28, 2002
Applicants:
Akihiko Yamashita, Ibaraki, JP;
Hiromichi Tanaka, Toyonaka, JP;
Tsuyoshi Hirata, Kobe, JP;
Toru Uno, Yokohama, JP;
Yoshiyuki Onda, Tokyo, JP;
Inventors:
Akihiko Yamashita, Ibaraki, JP;
Hiromichi Tanaka, Toyonaka, JP;
Tsuyoshi Hirata, Kobe, JP;
Toru Uno, Yokohama, JP;
Yoshiyuki Onda, Tokyo, JP;
Assignee:
Nippon Shokubai Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is an object of the present invention to provide a cement admixture capable of exhibiting high cement dispersing ability at low addition levels, in particular capable of displaying excellent initial dispersing ability and dispersion retaining ability even in a high water reducing ratio range, and a cement composition in which this admixture is used. A cement admixture comprising