Patent · US Expired

Electrocoating aluminum sheet or strip

US4007102A · kind A · utility

7Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1974
Grant dateFeb 8, 1977
Priority date
Expiry dateDec 12, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25D13/20
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

This invention generally relates to the electrocoating of metal products and in particular is directed to the treatment of continuous aluminum sheet or strip to form a chromium phosphate type conversion coating thereon, subsequently electrocoating the sheet or strip, applying a top coat and then curing both the electrocoated film and the top coat. The electrocoated sheet or strip exhibits superior coating adhesion.

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