Method of purifying metal

Details Method of purifying metal Method of purifying metal

2005-07-04

2010-10-12

Wyszomierski, George (Department: 1793)

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

C075S708000, C423S348000

Reexamination Certificate

active

07811356

ABSTRACT:
The disclosure is directed to a method for purifying metals, which can very efficiently and inexpensively eliminate impurity elements included in various metallic or semiconductor materials, or more specifically included in metallurgical grade silicon.

REFERENCES:
patent: 3543531 (1970-12-01), Adams
patent: 4539194 (1985-09-01), Halvorsen
patent: 4747906 (1988-05-01), Shingu et al.
patent: 4854968 (1989-08-01), Otsuka et al.
patent: 6398845 (2002-06-01), Tabuchi et al.
patent: 6861040 (2005-03-01), Ceccaroli et al.
patent: 1409691 (2003-04-01), None
patent: 63-045112 (1988-02-01), None
patent: 04-017629 (1992-01-01), None
patent: 06-227808 (1994-08-01), None
patent: 07-206420 (1995-08-01), None
patent: 7-206420 (1995-08-01), None
patent: 07-315827 (1995-12-01), None
patent: 2000-351616 (2000-12-01), None
patent: 2001-172729 (2001-06-01), None
patent: 2003-516295 (2003-05-01), None
patent: 97/03922 (1997-02-01), None
patent: 01/42136 (2001-06-01), None
International Search Report for PCT/JP2005/012319 mailed Aug. 30, 2005.
Sinbo et al., (881)Interaction of Ca and P in Molten Si, Collected Abstracts of the 2002 Autumn Meeting of the Japan Institute of Metals.
Supplementary European Search Report mailed Feb. 16, 2009 in corresponding EP application 05765236.4.

Affiliated with

Also associated with

Rating

Method of purifying metal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of purifying metal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of purifying metal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4190961