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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.:

US 12247353 B1

PDFFull Text
Date of Patent:
Mar. 11, 2025

Filed:

Jun. 20, 2019

Fibre dissolution with enzymatic treatment

Applicant:

Teknologian Tutkimuskeskus Vtt Oy, Espoo, FI;

Inventors:

Kaisa Marjamaa, Espoo, FI;

Nina Aro, Espoo, FI;

Kristiina Kruus, Espoo, FI;

Jenni Rahikainen, Espoo, FI;

Assignee:

Teknologian tutkimuskeskus VTT Oy, Espoo, FI;

Attorney:

Laine IP Oy

Primary Examiner:

Dennis R Cordray

Assistant Examiner:

Matthew M Eslami

Int. Cl.
CPC ...
D21C 5/00 (2006.01);
U.S. Cl.
CPC ...
D21C 5/005 (2013.01);
Abstract

The present invention concerns a process for the dissolution of cellulose using an enzymatic treatment, followed by a chemical dissolution. Particularly, the invention relates to the utilization of oxidizing enzymes for said enzyme treatment step. The process of the invention will cause an improved dissolution of high molar mass cellulose fibres. The improved dissolution properties also cause an improved reactivity of the cellulose in subsequent reactions.

Find Patent Forward Citations

Marjamaa, Kaisa. (2025). Fibre dissolution with enzymatic treatment (U.S. Patent No. 12247353). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12247353

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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