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:
Jul. 15, 2025
Filed:
Apr. 30, 2021
Upm-kymmene Corporation, Helsinki, FI;
Markus Nuopponen, Helsinki, FI;
Marjo Yliperttula, Espoo, FI;
Arto Merivaara, Helsinki, FI;
Ossi Korhonen, Hamula, FI;
Jacopo Zini, Helsinki, FI;
Elle Koivunotko, Helsinki, FI;
Lisa Chinello, Padua, IT;
Giulia Scapin, Castegnero, IT;
Anne Meriluoto, Helsinki, FI;
Lauri Paasonen, Järvenpää, FI;
UPM-KYMMENE CORPORATION, Helsinki, FI;
Abstract
A method for freeze-drying a hydrogel composition is disclosed, the method comprising providing the hydrogel composition, wherein the hydrogel composition comprises cellulose nanofibrils and/or cellulose nanocrystals, at least one saccharide, at least one amino acid, and biologics; and freeze-drying the hydrogel composition, thereby obtaining a freeze-dried hydrogel composition.