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. 31, 2016
Filed:
Mar. 14, 2012
Applicants:
Keiichiro Sagawa, Wakayama, JP;
Masaaki Shimoda, Wakayama, JP;
Koji Nagasawa, Wakayama, JP;
Inventors:
Assignee:
KAO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 24/12 (2006.01); C04B 24/26 (2006.01); C04B 40/00 (2006.01); C04B 103/40 (2006.01);
U.S. Cl.
CPC ...
C04B 24/121 (2013.01); C04B 24/2647 (2013.01); C04B 40/0039 (2013.01); C04B 2103/408 (2013.01);
Abstract
The present invention provides a dispersant for a hydraulic composition containing N-methyldiethanolamine and a specific (meth)acrylic acid copolymer as a polycarboxylic acid copolymer dispersing agent to increase the fluidity of a hydraulic composition.