Invention Grant
- Patent Title: Concrete or mortar admixture composition
- Patent Title (中): 混凝土或砂浆混合物组成
-
Application No.: US12988845Application Date: 2009-04-22
-
Publication No.: US08168701B2Publication Date: 2012-05-01
- Inventor: Hideo Koyata , Miho Miyakawa
- Applicant: Hideo Koyata , Miho Miyakawa
- Applicant Address: US MD Columbia
- Assignee: W. R. Grace & Co.-Conn.
- Current Assignee: W. R. Grace & Co.-Conn.
- Current Assignee Address: US MD Columbia
- Agent Craig K. Leon; Stephan P. Williams
- Priority: JP2008-114055 20080424
- International Application: PCT/JP2009/058423 WO 20090422
- International Announcement: WO2009/131240 WO 20091029
- Main IPC: C04B24/26
- IPC: C04B24/26 ; C08K3/00
Abstract:
A concrete admixture composition concurrently using (A) a polycarboxylic acid type water-reducing agent for concrete, (B) a hydroxycarboxylic acid type water-reducing agent for concrete, and (C) a polysaccharide type thickening agent is offered, with the view to manufacture a high-performance and multi-functional concrete excelling in high fluidity, freshness retention, early strength, pumpability, material segregation resistance and anti-washout properties under water.
Public/Granted literature
- US20110046270A1 Concrete or Mortar Admixture Composition Public/Granted day:2011-02-24
Information query
