Invention Grant
- Patent Title: Method for producing a film having good barrier properties and a film having good barrier properties
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Application No.: US16757093Application Date: 2018-10-17
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Publication No.: US11795280B2Publication Date: 2023-10-24
- Inventor: Esa Saukkonen , Isto Heiskanen , Kaj Backfolk , Katja Lyytikäinen
- Applicant: Stora Enso OYJ
- Applicant Address: FI Helsinki
- Assignee: Stora Enso OYJ
- Current Assignee: Stora Enso OYJ
- Current Assignee Address: FI Helsinki
- Agency: Greer, Burns & Crain, Ltd.
- Priority: SE 513052 2017.10.20
- International Application: PCT/IB2018/058043 2018.10.17
- International Announcement: WO2019/077514A 2019.04.25
- Date entered country: 2020-04-17
- Main IPC: C08J5/18
- IPC: C08J5/18 ; C12N9/42 ; C12N9/24 ; D21H11/18 ; D21H11/20 ; D21H17/00 ; D21H17/05 ; D21H19/34 ; D21H19/52
Abstract:
The present invention relates to a method for manufacturing a film comprising microfibrillated cellulose wherein the method comprises the steps of; providing a suspension comprising a microfibrillated cellulose, adding an enzyme to the suspension, mixing the enzyme with the suspension to form a mixture, applying said mixture to a wire to form a fibrous web and drying said web to form said film. The present invention further relates to a film comprising microfibrillated cellulose having good barrier properties.
Public/Granted literature
- US20200239652A1 A METHOD FOR PRODUCING A FILM HAVING GOOD BARRIER PROPERTIES AND A FIML HAVING GOOD BARRIER PROPERTIES Public/Granted day:2020-07-30
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