Patent · US Expired

Treating solution for metal surface treatment and a method for surface treatment

US7531051B2 · kind B2 · utility

17Cited by
18References
11Claims
0Family size

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Key dates

Filing dateJun 12, 2002
Grant dateMay 12, 2009
Priority date
Expiry dateOct 1, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25D5/34
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The present invention is the method for surface treatment of a metal material containing iron and/or zinc, containing component (A) and component (B); where

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