The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2004
Filed:
May. 14, 2001
Applicant:
Inventors:
Michael Matthew Hourn, Carindale, AU;
Rodrigo Ulep Ventura, Sunnybank Hills, AU;
John Anthony Willis, Sherwood, AU;
David Winborne, Mitchelton, AU;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 3/12 ;
U.S. Cl.
CPC ...
C22B 3/12 ;
Abstract
A method of processing a mineral composition comprising a refractory material the method comprising milling the composition to a particle size of P of less than 25 microns and leaching said composition with a solution comprising lime and/or limestone in the presence of an oxygen containing gas.