Patent · US Expired

Powder treatment process to control alloy fractionation

US5217750A · kind A · utility

1Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 1992
Grant dateJun 8, 1993
Priority date
Expiry dateMay 21, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2004/61
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Disclosed is a process which comprises providing an alloy of selenium, preparing powdered particles of the alloy with an average particle diameter of less than 300 microns, placing the powdered particles into a container and tumbling the container, and subsequently removing the powdered particles from the container and compressing the powdered particles into pellets.

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