Polypropylene for extrusion additive manufacturing

US12257767B2 · kind B2 · utility

Assignees

• Basell Polyolefine GmbH · DE
• Albert-Ludwigs-Universitaet Freiburg · DE

Inventors

• Carl Gunther Schirmeister · Denzlingen, DE
• Karsten Schmitz · Hofheim, DE
• Yannic Kessler · Kriftel, DE
• Rainer Kohler · Leinburg, DE
• Erik Hans Licht · Mainz, DE
• Shahram Mihan · Bad Soden, DE
• Jurgen Rohrmann · Kelkheim, DE
• Dieter Langenfelder · Hollfeld, DE
• Rolf Muelhaupt · Glückstadt, DE
• Timo Hees · Mainz, DE

Key dates

• Filing date: Sep 28, 2020
• Grant date: Mar 25, 2025
• Expiry date: Dec 7, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2207/04
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A process for producing articles with an extrusion-based additive manufacturing system using a consumable filament made from or containing a propylene polymer composition made from or containing: