Patent · US Expired

Article comprising a substrate having a hard and corrosion-proof coating thereon

US4557981A · kind A · utility

33Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 9, 1984
Grant dateDec 10, 1985
Priority date
Expiry dateFeb 9, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12937
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An article comprising a substrate having a hard and corrosion-proof coating thereon. The coating includes a thin metallic layer having an ultrafine distribution of hard materials and a particular compact morphology.

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