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:
Apr. 30, 2019
Filed:
Dec. 02, 2015
Wintershall Holding Gmbh, Kassel, DE;
Sascha Rollie, Mannheim, DE;
Tobias Käppler, Maxdorf, DE;
Carsten Schwalb, Hettenleidelheim, DE;
Florian Lehr, Schwegenheim, DE;
Andrea Hlubek, Goennheim, DE;
Jörg Therre, Worms, DE;
Christian Fleck, Sandhausen, DE;
Thomas Letzelter, Annweiler, DE;
Stephan Freyer, Neustadt, DE;
Andrea Herold, Weinheim, DE;
Hansjörg Rettenmaier, Bad Duerkheim, DE;
Bernd Leonhardt, Bobenheim-Roxheim, DE;
Wintershall Holding GmbH, Kassel, DE;
Abstract
The presently claimed invention is directed to a method for the preparation of an aqueous solution comprising at least one beta-glucan comprising at least the steps of a) fermentation of at least one fungal strain in an a fermentation broth, b) addition of at least one acid to the fermentation broth to adjust the pH to a value in the range of ≥2.0 to ≤4.0 and c) filtration of the fermentation broth to obtain an aqueous solution comprising the at least one beta-glucan and at least one beta-glucan that is obtained by this method.