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. 13, 2020
Filed:
Mar. 15, 2016
Kao Corporation, Tokyo, JP;
Yusuke Akino, Wakayama, JP;
Yusuke Yoshinami, Wakayama, JP;
Koji Koyanagi, Wakayama, JP;
Masaaki Shimoda, Wakayama, JP;
Keisuke Nakamura, Wakayama, JP;
Shunya Tanaka, Wakayama, JP;
Kazuya Saida, Wakayama, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
A method for producing a hardened product of a hydraulic composition, includes mixing water, a hydraulic powder, a dispersant composition, and an aggregate to prepare a hydraulic composition, filling the hydraulic composition into a mold, and steam curing, in the mold, the hydraulic composition filled into the mold. The dispersant composition includes (A) a formaldehyde naphthaienesulfonate condensate or a salt thereof, (B) a compound having an alkylenoxy group, and optionally (C) a polycarboxylic acid-based copolymer, in particular proportions.