Patent · US Expired

Cermet materials with metal free surface zones

US3953177A · kind A · utility

19Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 9, 1974
Grant dateApr 27, 1976
Priority date
Expiry dateJan 9, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/263
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A novel cermet material and a process for its production is disclosed. The cermet material is characterized by a surface zone which is substantially free of metal.

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