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:
May. 29, 2001
Filed:
Dec. 01, 1998
Applicant:
Inventors:
Fuzio Yamato, Wakayama, JP;
Haruyuki Sato, Wakayama, JP;
Daisuke Hamada, Wakayama, JP;
Takahiro Sato, Wakayama, JP;
Kyoichi Shirota, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/010 ;
U.S. Cl.
CPC ...
C08F 2/010 ;
Abstract
The present invention is directed to a copolymer for use in a concrete admixture which improves the workability of hydraulic compositions such as cement paste, mortar, concrete and the like. Namely, the admixture effectively reduces the viscosity of the hydraulic compositions under shear without causing setting retardation of the compositions.