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. 23, 2024
Filed:
May. 13, 2019
Upm-kymmene Corporation, Helsinki, FI;
Tapani Vuorinen, Espoo, FI;
Pegah Khanjani, Gothenburg, SE;
Thaddeus Maloney, Vantaa, FI;
Sara Ceccherini, Espoo, FI;
Markus Nuopponen, Helsinki, FI;
Kari Luukko, Espoo, FI;
UPM-KYMMENE CORPORATION, Helsinki, FI;
Abstract
The present application provides a method for preparing nanofibrillar cellulose product, the method comprising providing nanofibrillar cellulose, providing multivalent cations, contacting the nanofibrillar cellulose with the multivalent cations, and allowing reacting for a period of time to obtain cross-linked nanofibrillar cellulose product. The present application also provides a nanofibrillar cellulose product comprising nanofibrillar cellulose and multivalent cations, wherein the nanofibrillar cellulose is crosslinked by the multivalent cations.