×

Refractory products formed by grains bound by carbon residues and metal silicon in powder form and process for the production thereof

  • US 4,544,641 A
  • Filed: 07/10/1984
  • Issued: 10/01/1985
  • Est. Priority Date: 12/08/1982
  • Status: Expired due to Term
First Claim
Patent Images

1. A fired refractory product based on refractory grains and binder consisting essentially of:

  • a charge of refractory grains selected from the group consisting of carbonaceous products refractory hard metal compounds, refractory oxides and mixtures thereof, andsecuring together said grains, a cement based on coked carbonaceous product and metal silicon in powder form, the proportion of metal silicon being from 1 to 15.8% by weight.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×