Patent · US Expired

Selective chromizing in a molten lead medium

US4168333A · kind A · utility

3Cited by
3References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateOct 7, 1977
Grant dateSep 18, 1979
Priority date
Expiry dateOct 7, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12854
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A ferrous based substrate is diffusion coated by contacting the substrate with a molten alloy bath consisting essentially of lead and chromium, wherein the quantity of chromium is less than 0.85% of the weight of the lead.

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