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:
Feb. 26, 2013
Filed:
Jan. 11, 2008
Applicants:
Bahman Tavakkoli, Puch, AT;
Thomas Mangelberger, Villach, AT;
Jörg Maier, Gödersdorf, AT;
Matthias Buri, Rothrist, CH;
Inventors:
Bahman Tavakkoli, Puch, AT;
Thomas Mangelberger, Villach, AT;
Jörg Maier, Gödersdorf, AT;
Matthias Buri, Rothrist, CH;
Assignee:
Omya Development AG, Oftringen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03D 1/01 (2006.01); B03D 1/012 (2006.01); B03D 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a process for purification of calcium carbonate-comprising minerals comprising at least one flotation step, characterized in that this step implements at least one quaternary imidazoline methosulfate compound as collector agent.