Patent · US Expired

Process for producing refractory powder

US4397889A · kind A · utility

15Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1982
Grant dateAug 9, 1983
Priority date
Expiry dateApr 5, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22F2998/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

In a process for producing a refractory metal carbide grade powder, a metal carbide powder is heated above melting point of a wax prior to forming a blended mixture of metal carbide and wax which is subsequently milled with a metal binder in liquid milling medium incompatible with the wax and the mixture is dried to form a powder.

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