Patent · US Expired

Method and composition for cleaning anodized aluminum

US4532065A · kind A · utility

9Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 1981
Grant dateJul 30, 1985
Priority date
Expiry dateJun 5, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25D11/24
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Cleansing compositions useful in cleaning anodized aluminum contain a detergent builder, a detergent agent and a soluble salt of a transition metal. The presence of the transition metal ion protects the anodized coating from attack by the detergent builder.

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