Patent · US Expired

Hydraulic cement composition

US4353746A · kind A · utility

31Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1980
Grant dateOct 12, 1982
Priority date
Expiry dateJun 17, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B7/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A hydraulic cement characterized by the particle size distribution of the hydraulic cement being multi-modal, preferably bimodal or trimodal, and in which preferably there are present two or more distinct bands or modes of particle sizes and in which the total weight of particles of intermediate size does not exceed 20% of the total weight of the particles in the bands or modes adjacent thereto, and a cement composition comprising the hydraulic cement and not greater than 25% of water by weight of the hydraulic cement.

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