Patent · US Expired

Method for execution of quick hardening cement

US3973978A · kind A · utility

32Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1974
Grant dateAug 10, 1976
Priority date
Expiry dateJun 17, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B7/323
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method for working quick hardening cements comprising preparing (A) a composition comprising a cement paste, mortar or concrete and (B) a composition comprising a powder or suspension composition of calcium aluminate and inorganic sulfate, mixing the composition (A) and the composition (B) and quickly executing the mixture immediately after the admixture.

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