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. 13, 2019
Filed:
Sep. 15, 2015
Applicant:
Akzo Nobel Chemicals International B.v., Arnhem, NL;
Inventors:
Natalija Smolko-Schvarzmayr, Hjälteby, SE;
Anders Klingberg, Henån, SE;
Elisabeth Henriksson, Kode, SE;
Henrik Nordberg, Stenungsund, SE;
Assignee:
AKZO NOBEL CHEMICALS INTERNATIONAL B.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03D 1/02 (2006.01); B03D 1/008 (2006.01); B03D 1/01 (2006.01); B03D 1/014 (2006.01); B03D 1/012 (2006.01);
U.S. Cl.
CPC ...
B03D 1/021 (2013.01); B03D 1/008 (2013.01); B03D 1/01 (2013.01); B03D 1/012 (2013.01); B03D 1/014 (2013.01); B03D 2201/02 (2013.01); B03D 2203/06 (2013.01);
Abstract
The present invention relates to the use of branched fatty alcohol-based compounds selected from the group of fatty alcohols with 12-16 carbon atoms having a degree of branching of 1-3, and their alkoxylates with a degree of ethoxylation of up to 3, as secondary collectors for the froth flotation of non-sulfidic ores, in combination with a primary collector selected from the group of amphoteric and anionic surface active compounds.