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. 12, 2015
Filed:
Jun. 15, 2009
Yoshihito Naka, Wakayama, JP;
Shuichi Fujita, Wakayama, JP;
Toshimasa Hamai, Wakayama, JP;
Daisuke Hamada, Emmerich, DE;
Keiichiro Sagawa, Wakayama, JP;
Yoshihito Naka, Wakayama, JP;
Shuichi Fujita, Wakayama, JP;
Toshimasa Hamai, Wakayama, JP;
Daisuke Hamada, Emmerich, DE;
Keiichiro Sagawa, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
The present invention provides a dispersant for a hydraulic composition, containing (A) a polymer composed of structural units, not less than 70% by weight of which are derived from a monomer represented by the following formula (1) and (B) a naphthalenesulfonic acid-formaldehyde condensate at a weight ratio of components (A) to (B), (A)/(B), of 1/99 to 75/25:HC═CHCOOCHCHOH   (1).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile