Patent · US Expired

Zinc-maganese alloy coated steel sheet

US5043230A · kind A · utility

30Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 1990
Grant dateAug 27, 1991
Priority date
Expiry dateMay 11, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12792
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Disclosed is a multi-layered zinc-manganese alloy coating electrodeposited on sheet steel. The alloy layer closest to the surface of the sheet steel has a composition of at least 50% manganese while the composition of the other alloy layers farther removed from the surface of the sheet steel have less than 50% manganese.

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