Invention Grant
- Patent Title: UV blocking film and composition comprising microfibrillated cellulose, a method for producing said film and use of the composition
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Application No.: US16302813Application Date: 2017-05-15
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Publication No.: US10752741B2Publication Date: 2020-08-25
- Inventor: Isto Heiskanen , Katja Lyytikäinen , Esa Saukkonen , Kaj Backfolk
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2f897642
- International Application: PCT/IB2017/052856 WO 20170515
- International Announcement: WO2017/199157 WO 20171123
- Main IPC: C08J5/18
- IPC: C08J5/18 ; A61K8/73 ; A61Q17/04 ; C08J5/04 ; C09D5/32 ; D21H11/02 ; D21H11/08 ; D21H11/18 ; D21H21/16 ; D21H19/34 ; C08L1/02 ; D21H19/52 ; D21H11/12 ; A61K8/02 ; D21H19/38 ; D21H21/14 ; D21H17/67 ; D21H11/10
Abstract:
The present invention relates to an UV blocking film comprising microfibrillated cellulose wherein at least part of the microfibrillated cellulose is microfibrillated cellulose produced from non-chemical modified lignocellulosic material. The invention also relates to a method for producing the film, use of said film as well as a composition having UV blocking properties.
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