Patent · US Expired

Chemical treatment of aluminum alloys to enable alloy separation

US6100487A · kind A · utility

26Cited by
7References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1998
Grant dateAug 8, 2000
Priority date
Expiry dateFeb 19, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention is directed to a method employing wet chemistry techniques of treating wrought aluminum alloys in order to quickly and efficiently separate the alloys into their alloy families and major constituent members by separation by surface color of the treated alloys.

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