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. 16, 2016
Filed:
Sep. 09, 2010
Willem Liebenberg Retief, Kosmosdal, ZA;
Nelius Dempers Retief, Kosmosdal, ZA;
Johannes Theodorus Nel, Kempton Park, ZA;
Wilhelmina Du Plessis, Conturion, ZA;
Philippus Lodewyk Crouse, Pretoria, ZA;
Johannes Petrus Le Roux, Moreletapark, ZA;
Willem Liebenberg Retief, Kosmosdal, ZA;
Johannes Theodorus Nel, Kempton Park, ZA;
Wilhelmina Du Plessis, Conturion, ZA;
Philippus Lodewyk Crouse, Pretoria, ZA;
Johannes Petrus Le Roux, Moreletapark, ZA;
Abstract
A process for treating a feedstock is provided. The feedstock comprises a mineral and/or a metal oxide/silicate derived from or associated with a mineral. The process comprises treating the feedstock by reacting, in a reaction step, the mineral and/or the metal oxide/silicate derived from or associated with a mineral, with an ammonium acid fluoride having the generic formula NHF.xHF, wherein 1<x≦5. An ammonium fluorometallate compound is produced as a reaction product.