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. 06, 2019
Filed:
Oct. 06, 2017
Applicant:
Cytec Industries Inc., Princeton, NJ (US);
Inventors:
Mikael Brasse, White Plains, NY (US);
Esau Arinaitwe, Norwalk, CT (US);
Devarayasamudram Ramachandran Nagaraj, Ridgefield, CT (US);
Assignee:
Cytec Industries Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03D 1/016 (2006.01); B03D 1/02 (2006.01); B03D 1/06 (2006.01); B03D 1/012 (2006.01); B03D 1/01 (2006.01); C07C 333/14 (2006.01); C08L 33/26 (2006.01); B03D 1/008 (2006.01);
U.S. Cl.
CPC ...
B03D 1/02 (2013.01); B03D 1/01 (2013.01); B03D 1/012 (2013.01); B03D 1/016 (2013.01); C07C 333/14 (2013.01); C08L 33/26 (2013.01); B03D 1/008 (2013.01); B03D 2201/005 (2013.01); B03D 2201/007 (2013.01); B03D 2201/02 (2013.01); B03D 2201/04 (2013.01); B03D 2201/06 (2013.01); B03D 2203/02 (2013.01);
Abstract
Compositions including blends of one or more acrylamide/allyl thiourea polymer as a first depressant, and one or more carboxyalkyl dithiocarbamate compound as a second depressant, and their use as depressants in the beneficiation of sulfide minerals from ores and/or concentrates are disclosed herein, along with methods for selectively separating value sulfide minerals from non-value sulfide minerals in a froth flotation process for the recovery of such value minerals.