Patent · US Expired

Process for dealuminizing molten cast iron

US5284617A · kind A · utility

1Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 1992
Grant dateFeb 8, 1994
Priority date
Expiry dateSep 4, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C33/08
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Dealuminizing cast iron by contacting it with free-flowing flux particles having a solid silica core and a molten silica shell wherein said flux comprises silica and about 1% to about 5% calcium fluoride.

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