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:
May. 14, 2013
Filed:
Aug. 18, 2011
Patrick A. C. Gane, Rothrist, CH;
Matthias Buri, Rothrist, CH;
René Vinzenz Blum, St. Urban, CH;
Jacques Mongoin, Quincieux, FR;
Patrick A. C. Gane, Rothrist, CH;
Matthias Buri, Rothrist, CH;
René Vinzenz Blum, St. Urban, CH;
Jacques Mongoin, Quincieux, FR;
Omya Development AG, Oftringen, CH;
Coatex S.A.S., Genay, FR;
Abstract
The present invention provides a product obtained by a method of dry milling a mineral material in at least one milling unit: (i) in the presence of at least one polyalkylene glycol polymer having monomer units forming a backbone, where at least 90% of the monomer units forming the backbone of the polymer are constituted by ethylene oxide, propylene oxide or their mixtures, and where the polymer has a molecular weight of at least equal to 400 g/mole, and (ii) in a quantity of water that is less than 10% in dry weight of the material in the milling unit.