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.

Date of Patent:
Apr. 13, 2010

Filed:

Apr. 28, 2005
Applicants:

Heinrich Hesse, Hattersheim, DE;

Tobias Rau, Mainz, DE;

Wolfgang Buch, Frankfurt am Main, DE;

Jaime Gomez, Santiago de Chile, CL;

Miguel Angel Arends, Santiago de Chile, CL;

Norbert Ernstorfer, Santiago de Chile, CL;

Inventors:

Heinrich Hesse, Hattersheim, DE;

Tobias Rau, Mainz, DE;

Wolfgang Buch, Frankfurt am Main, DE;

Jaime Gomez, Santiago de Chile, CL;

Miguel Angel Arends, Santiago de Chile, CL;

Norbert Ernstorfer, Santiago de Chile, CL;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03D 1/01 (2006.01); B03D 1/02 (2006.01); B03D 1/006 (2006.01); B03D 1/008 (2006.01); B03D 1/012 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates a flotation reagent for sulfidic ores, containing at least one compound of formula (1), wherein R, R, R, R, Rand R, independent of one another, represent hydrogen or groups containing 1 to 15 carbon atoms or groups containing oxygen or nitrogen, and at least another compound serving as collector and containing at least one sulfur atom that is directly bound to a carbon or phosphorus atom, wherein the carbon or phosphorus atom is directly bound to at least another sulfur atom or an oxygen atom.


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