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:
Mar. 12, 2013
Filed:
Nov. 12, 2007
Applicants:
Ulrich Schindler, Niederstotzingen, DE;
Giselbert Bauer, St. Georgen, AT;
Annemarie Bauer, St. Georgen, AT;
Inventors:
Ulrich Schindler, Niederstotzingen, DE;
Christoph Bauer, St. Georgen, AT;
Assignee:
Omya Development AG, Oftringen, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B02C 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing fine mineral powders using systems that include one or more air classifiers, dust separators like cyclones and/or filters, at least one ventilator and instruments connecting tubes or pipes for the transport of air. The relative humidity of air in the air classifier is kept in a range between 15% to 35%.