Patent · US Expired

Method of protecting metal

US6071563A · kind A · utility

6Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1998
Grant dateJun 6, 2000
Priority date
Expiry dateMar 30, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23D5/00
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of protecting a metal against embrittlement when the metal is exposed to carbon or sulfur at an elevated temperature, the method comprising forming a thin, adherent, continuous coating of a glass on the surface of the metal prior to exposure to carbon or sulfur at an elevated temperature.

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