Patent · US Expired

Product designed to be subjected to the effects of hot gas and method for producing a coating for this product

US6517959B1 · kind B1 · utility

8Cited by
3References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 10, 2000
Grant dateFeb 11, 2003
Priority date
Expiry dateJul 10, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C28/3455
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The invention relates to a product (1) designed for hot gas admission with a coating (3) in which chromium nitride (6) is inserted as a diffusion barrier to improve the long-term stability of the coating (3). The invention furthermore relates to a process for producing a coating (3) for a product designed for hot gas admission (1).

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