Patent · US Expired

Cement with air-cooled slag and silica fume

US5735947A · kind A · utility

12Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 1997
Grant dateApr 7, 1998
Priority date—
Expiry dateApr 11, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/91
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A cement mix based on an inorganic hydraulic cement, for example, Portland Cement, an air-cooled blast furnace slag and silica fume produces concretes having strength characteristics superior to those achieved by the cement alone; furthermore this cement mix is superior to a corresponding mix based on the inorganic hydraulic cement, and the air-cooled slag without the silica fume, and to a corresponding mix based on the cement and silica fume without the slag; additionally a cost saving in the expensive Portland Cement is achieved by use of the air-cooled slag which is a waste material and cheaper than granulated or pelletized slag.

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