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:
Sep. 30, 2014
Filed:
Jul. 25, 2013
Applicants:
Bahman Tavakkoli, Puch, AT;
Thomas Mangelberger, Villach, AT;
Matthias Reisinger, Metz, FR;
Inventors:
Assignee:
Omya International AG, Oftringen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07C 5/346 (2006.01); B02C 23/08 (2006.01); B07C 5/342 (2006.01); B07C 5/36 (2006.01); B02C 25/00 (2006.01);
U.S. Cl.
CPC ...
B02C 25/00 (2013.01); B02C 23/08 (2013.01); B07C 5/3425 (2013.01); B07C 5/366 (2013.01);
Abstract
The present invention relates to a method for separating mineral impurities from calcium carbonate-containing rocks by comminuting the calcium carbonate-containing rocks to a particle size in the range of from 1 mm to 250 mm, separating the calcium carbonate particles by means of a dual energy X-ray transmission sorting device.