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:
May. 30, 2006
Filed:
Oct. 31, 2001
Heinrich Hesse, Hattersheim, DE;
Jaime Gomez, Santiago de Chile, CL;
Miguel Angel Arends, Santiago de Chile, CL;
Norbert Ernstorfer, Santiago de Chile, CL;
Heinrich Hesse, Hattersheim, DE;
Jaime Gomez, Santiago de Chile, CL;
Miguel Angel Arends, Santiago de Chile, CL;
Norbert Ernstorfer, Santiago de Chile, CL;
Clariant International Ltd., Muttenz, CH;
Abstract
The present invention relates to a flotation reagent and a process for the flotation of sulfidic ores. The process comprises contacting the sulfidic ores with a combination of thionocarbamates and mercaptobenzothiazoles to improve the flotation of sulfidic ores, particularly the flotation of copper ore when the copper ore is associated with molybdenum and/or gold. The flotation reagent comprises a combination of compounds of formula (1) and formula (2) where Rand Rindependently of one another are alkyl groups having 1 to 18 carbon atoms, and Rand Rindependently of one another are hydrogen or C–C-alkyl, and M is hydrogen or an alkali metal, and (1) and (2) are in a weight ratio of (1):(2) of 95:5 to 75:25.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile