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US Patent 12006426 Propylene random copolymer for use in film applications

Patent 12006426 was granted and assigned to Borealis on June, 2024 by the United States Patent and Trademark Office.

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Patent Applicant

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Jingbo Wang0

Pauli Leskinen0

Klaus Bernreitner0

Peter Niedersüss0

Markus Gahleitner0

Date of Patent

June 11, 2024

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Patent Application Number

172737000

Date Filed

September 9, 2019

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Patent Citations

US Patent 9670293 Solid single site catalysts with high polymerisation activity

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US Patent 9062232 Sealing material of polypropylene with improved optical performance

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US Patent 9273201 Sealing material of polypropylene with high melting temperature

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US Patent 9376559 Reverse staged impact copolymers

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US Patent 9527935 Random copolymer of propylene with 1-hexene

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US Patent 9637602 BOPP film with improved stiffness/toughness balance

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US Patent 10450451 Polypropylene composition for automotive interior applications

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US Patent 10519259 Low melting PP homopolymer with high content of regioerrors and high molecular weight

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Patent abstract

The present invention is directed to a polypropylene composition (P) comprising a bimodal copolymer of propylene and 1-hexene prepared in the presence of a metallocene catalyst, said bimodal copolymer having a melt flow rate MFR2 in the range of 4.0 to 20.0 g/10 min. Further, the present invention is directed to a method for preparing the copolymer (C) and an article comprising said polypropylene composition (P).

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