Patent · US Expired

Forming members for shaping a reactive metal and methods for their fabrication

US6274257A · kind A · utility

16Cited by
17References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 1999
Grant dateAug 14, 2001
Priority date
Expiry dateOct 29, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12576
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Coatings of doped chromium nitride protect forming members such as dies from the corrosive effects of molten aluminum and other reactive metals.

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