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:
Jun. 10, 2025
Filed:
Mar. 22, 2021
Metgen Oy, Kaarina, FI;
Liji Sobhana Seleenmary Sobhanadhas, Turku, FI;
Tom Christian Lundin, Turku, FI;
Antoine Patrice Noël Mialon, Turku, FI;
Tanja Pauliina Saloranta, Paimio, FI;
METGEN OY, Kaarina, FI;
Abstract
The invention is in the field of papermaking. It provides methods for improving the compressive strength of paper and board by improving the moisture resistance of paper and board. The invention also provides paper and board with an improved compressive strength as well as a composition for improving the compressive strength of paper and board. More in particular, the invention relates to a process for the manufacture of paper wherein the process comprises a wet phase and a dry phase, wherein an enzymatically oxidized lignin is added in the wet phase.