Patent · US Expired

Method of comminuting reactive metals

US4934610A · kind A · utility

2Cited by
2References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 16, 1989
Grant dateJun 19, 1990
Priority date
Expiry dateOct 16, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22F9/04
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A reactive metal such as zirconium, hafnium, and titanium is subjected to comminution in a closed chamber containing a non-reactive gas modified by the addition of preferably somewhat less than one volume percent of water vapor.

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