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. 23, 2016
Filed:
Mar. 27, 2015
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Marcelo Moreira Da Costa, Barueri, BR;
Jorge Eduardo Langsch, Barueri, BR;
Paulo Henrique Morais, Barueri, BR;
Lucas Moore, Marietta, GA (US);
Assignee:
Kemira Oyj, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03D 1/016 (2006.01); B03D 1/02 (2006.01); B03D 1/012 (2006.01);
U.S. Cl.
CPC ...
B03D 1/016 (2013.01); B03D 1/02 (2013.01); B03D 1/012 (2013.01); B03D 2201/06 (2013.01); B03D 2203/02 (2013.01);
Abstract
Depressants comprising one or more types of polysaccharides comprising one or more types of pentosan units are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more collecting agents and one or more of the depressants.