Patent · US Expired

Methods for detecting and extracting gold

US6875254B2 · kind B2 · utility

4Cited by
10References
2Claims
0Family size

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Key dates

Filing dateFeb 3, 2004
Grant dateApr 5, 2005
Priority date
Expiry dateFeb 3, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/24
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral binding reagent and gold-specific protein, or hydrophobic reagent and gold-specific protein in conjunction with a flotation reagent.

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