Patent · US Expired

Zone melting process

US3960511A · kind A · utility

4Cited by
3References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 5, 1974
Grant dateJun 1, 1976
Priority date
Expiry dateAug 5, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC30B13/18
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

In a zone melting process, current is passed transversely through the process charge by electrodes arranged laterally of the charge consisting of the charge material and having a height corresponding substantially to the height of the melting zone in the direction of pulling.

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