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:
Aug. 13, 2013
Filed:
Jul. 14, 2011
Applicants:
Keiichiro Sagawa, Wakayama, JP;
Masaaki Shimoda, Wakayama, JP;
Koji Nagasawa, Wakayama, JP;
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 7/52 (2006.01); C04B 103/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides the production of the hydraulic powder containing CA in an amount of 0.5 to 9.5% by weight through a step of grinding a hydraulic compound in the presence of the alkanolamine having a freezing point of not higher than 0° C.