Multi-layer film with improved modulus properties

US11413854B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Heinz Pudleiner · Krefeld, DE
• Klaus Meyer · Dormagen, DE
• Jurgen Winkler · Schwarzheide, DE
• Wolfgang Brauer · Leverkusen, DE
• Joerg Nickel · Dormagen, DE
• Craig Pehlert · Lenox, US
• Chunhua Li · Cupertino, US
• Yan Chen · Cupertino, US

Key dates

• Filing date: Nov 10, 2020
• Grant date: Aug 16, 2022
• Expiry date: Nov 10, 2040

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24983
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a multi-layer, preferably co-extruded, plastic film with improved modulus properties, which is suitable, in particular, for producing three-dimensionally shaped articles.