Invention Grant
- Patent Title: Polymer coated paper and paperboard
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Application No.: US17282073Application Date: 2019-10-01
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Publication No.: US12000091B2Publication Date: 2024-06-04
- Inventor: Ville Ribu , Kimmo Nevalainen
- 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 511980 2018.10.04
- International Application: PCT/IB2019/058325 2019.10.01
- International Announcement: WO2020/070632A 2020.04.09
- Date entered country: 2021-04-01
- Main IPC: D21H19/28
- IPC: D21H19/28 ; C09D167/02
Abstract:
The present invention relates to paper or paperboard comprising at least one coating layer formed by extrusion coating of a PET (polyethylene terephthalate) resin, characterized in that the PET resin comprises at least 50% by weight of a PET copolymer having an intrinsic viscosity of less than 0.7 dl/g, preferably less than 0.65 dl/g, as determined according to ISO 1628.
Public/Granted literature
- US20210317612A1 POLYMER COATED PAPER AND PAPERBOARD Public/Granted day:2021-10-14
Information query
IPC分类:
