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:
May. 19, 2026
Filed:
Jun. 09, 2021
Upm-kymmene Corporation, Helsinki, FI;
Juha Tamper, Levanen, FI;
Sami Turunen, Lappeenranta, FI;
Vilho Nissinen, Vehkataipale, FI;
Nina Heiming, Xanten, DE;
Lisa Weigand, Wiesbaden, DE;
Mauno Miettinen, Lappeenranta, FI;
Moritz Leschinsky, Leipzig, DE;
UPM-KYMMENE CORPORATION, Helsinki, FI;
Abstract
A wood-derived lignin composition is disclosed. The wood-derived lignin composition comprises: —acid-insoluble lignin in an amount of 80-90 weight-% based on the total dry matter content of the lignin composition, wherein the average molecular weight of the lignin is 5000-15000 Da; —carbohydrates in an amount of 1.5-15 weight-% based on the total dry matter content of the lignin composition; —nitrogen in an amount of 0.2-1.5 weight-% based on the total dry matter content of the lignin composition; and wherein weight ratio of oxygen to carbon is at least 0.5 Further is disclosed a method for producing the wood-derived lignin composition.