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:
Jan. 19, 2021
Filed:
Feb. 19, 2019
Applicant:
Upm-kymmene Corporation, Helsinki, FI;
Inventors:
Assignee:
UPM-KYMMENE CORPORATION, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 8/38 (2006.01); C08H 6/00 (2010.01); C08H 7/00 (2011.01); C09J 197/00 (2006.01); C08L 97/02 (2006.01); C08G 8/20 (2006.01); C09J 161/12 (2006.01); B27N 3/00 (2006.01); C09J 161/06 (2006.01);
U.S. Cl.
CPC ...
C08G 8/38 (2013.01); B27N 3/002 (2013.01); C08G 8/20 (2013.01); C08H 6/00 (2013.01); C08L 97/02 (2013.01); C09J 161/06 (2013.01); C09J 161/12 (2013.01); C09J 197/005 (2013.01);
Abstract
The present invention relates to a method for increasing the reactivity of lignin, wherein the method comprises the following steps: a) forming, under heating at a temperature of 71-94° C., an aqueous dispersion comprising alkali and lignin, wherein the alkali comprises a hydroxide of an alkali metal; and b) heating the dispersion formed in step a) at a temperature of 50-95° C. for producing alkalated lignin.