US Patent 11555079 Process for producing an oxidized nanofibrillar cellulose hydrogel
Patent 11555079 was granted and assigned to UPM (company) on January, 2023 by the United States Patent and Trademark Office.
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Edits on 22 Mar, 2023
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Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
115550790
Date of Patent
January 17, 2023
0Patent Application Number
155380820
Date Filed
December 21, 2015
0Patent Primary Examiner
CPC Code
Edits on 18 Jan, 2023
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Article (+531 characters)
US Patent 11555079 Process for producing an oxidized nanofibrillar cellulose hydrogel
Article
A process for producing an oxidized nanofibrillar cellulose hydrogel is disclosed, wherein the process comprises oxidizing cellulose pulp fibers in the presence of hypochlorite as an oxidant and a heterocyclic nitroxyl radical as a catalyst; and disintegrating the oxidized cellulose pulp fibers to obtain a nanofibrillar cellulose hydrogel; wherein all steps of the process after oxidizing are performed under aseptic conditions. An oxidized nanofibrillar cellulose hydrogel and a system for producing the same are also disclosed.
Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
115550790
Date of Patent
January 17, 2023
0Patent Application Number
155380820
Date Filed
December 21, 2015
0Patent Primary Examiner
CPC Code
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