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:
Aug. 11, 1987
Filed:
Dec. 27, 1985
Applicant:
Inventors:
Bohdan Lisowyj, Omaha, NE (US);
David C Hitchcock, Omaha, NE (US);
Assignee:
InterNorth, Inc., Omaha, NE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B07B / ;
U.S. Cl.
CPC ...
209-2 ; 209 10 ;
Abstract
A method for the beneficiation of gallium from fly ash involves subjecting the ash to particle size classification while avoiding substantial rupturing of cenospheres and plerospheres in the ash and isolating thereby up to 30 percent of the finest ash particles which are lower in iron content.