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:
Oct. 23, 2018
Filed:
Dec. 04, 2015
Evonik Degussa Gmbh, Essen, DE;
Christian Panz, Wesseling-Berz, DE;
Florian Paulat, Marne, DE;
Guido Titz, Heimbach, DE;
Sven Müller, Bonn, DE;
Peter Erlhöfer, Wesseling, DE;
Markus Ruf, Alfter-Witters, DE;
Bodo Frings, Schloss Holte, DE;
Hartwig Rauleder, Rheinfelden, DE;
Thomas Barthel, Frankfurt am Main, DE;
Mustafa Siray, Bonn, DE;
Jürgen Behnisch, Rheinbach, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
The present invention relates to a method of purifying strong acids or strongly acidic media to remove di- and higher valent metal ions, which can be used within the context of the production of high-purity silica. The invention further relates to the use of special ion exchangers for carrying out the method according to the invention and the resultant high-purity silicas.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile