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:
Jul. 30, 2013
Filed:
Feb. 10, 2010
Klaus-ulrich Pedain, Dietzenbach-Steinberg, DE;
Klaus-Ulrich Pedain, Dietzenbach-Steinberg, DE;
Clariant Finance (BVI) Limited, Tortola, VG;
Abstract
The invention relates to a method for separating insoluble components from sylvinite, wherein the sylvinite is suspended in a saturated salt brine, a coagulating agent is added to the suspension, and a foaming agent is then added to the composition thus obtained, said foaming agent comprising and ether and/or ester, wherein a) the ethers of formula 1 correspond to R—O—R' (1), where R is a linear or branched alkyl or alkenyl groups having 2 to 30 carbon atoms and R′ is a linear or branched alkyl or alkenyl groups having 1 to 30 carbon atoms; b) the esters are derived from monovalent or multivalent alcohols having 1 to 30 carbon atoms (alcohol radicals); or c) the ethers and/or esters are cyclic, wherein the ring size is 6 to 30 carbon atoms.