Patent · US Expired

Heavy medium separation tracer element

US4857172A · kind A · utility

2Cited by
4References
10Claims
0Family size

Inventors

Key dates

Filing dateDec 15, 1987
Grant dateAug 15, 1989
Priority date
Expiry dateDec 15, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03B13/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A tracer element for use in determining the efficiency of a heavy medium separation method which is made of aluminum, an aluminum/zinc alloy or an aluminum/magnesium alloy.

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