Patent · US Expired

Air-detrainer for hydraulic cement compositions

US5156679A · kind A · utility

29Cited by
0References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 1991
Grant dateOct 20, 1992
Priority date—
Expiry dateAug 12, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2103/50
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A hydraulic cement admixture capable of air detrainment to structures formed therefrom comprising water-soluble alkylated alkanolamine salts.

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