Patent · US Expired

Wetting agents for concrete compositions

US5507867A · kind A · utility

4Cited by
13References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1995
Grant dateApr 16, 1996
Priority date
Expiry dateMay 5, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/349
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to a concrete-forming composition comprising: PA1 (a) a base component consisting of a combination of cement and silica, PA1 (b) water, as a carrier, and PA1 (c) from about 0.01% to about 25% by weight based on the weight of the composition of a wetting agent selected from the group consisting of piperazine-substituted organosulfonates, piperazinone-substituted organosulfonates, and combinations thereof, and optionally PA1 (d) a polycarboxylated alcohol alkoxylate.

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