Patent · US Expired

Composition containing materials improving the rheological properties of cement-based products

US5567236A · kind A · utility

11Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 1993
Grant dateOct 22, 1996
Priority date
Expiry dateDec 28, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B24/003
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Composition adapted to improve the rheological properties of cement-based products and more especially to increase the duration of the workability of concrete ready to use, characterized in that it comprises, in the form of a ternary mixture PA1 a superplasticizing or water-reducing agent having a dispersing effect, PA1 a stabilizing agent capable of forming a chelate with the calcium ions of the cement-based product, and PA1 a polycarboxylic polymer dispersing agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.