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.

Date of Patent:
Nov. 16, 2021

Filed:

Dec. 22, 2017
Applicant:

Technische Universität Wien, Vienna, AT;

Inventors:

Anton Friedl, Vienna, AT;

Felix Weinwurm, Vienna, AT;

Stefan Beisl, Unterdietfurt, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08H 7/00 (2011.01); D21C 11/00 (2006.01); C08L 97/00 (2006.01);
U.S. Cl.
CPC ...
C08H 6/00 (2013.01); D21C 11/0007 (2013.01); C08L 97/005 (2013.01);
Abstract

The invention relates to a method for producing lignin particles, comprising the steps of: a) extracting lignin from a lignincontaining starter material, using a mixture that comprises at least one organic solvent and water, and b) precipitating the lignin in the solution from step a).


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