Patent · US Active

Filaments based on a core material comprising a fibrous filler

US12060657B2 · kind B2 · utility

0Cited by
12References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2019
Grant dateAug 13, 2024
Priority date
Expiry dateApr 19, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29K2105/16
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a filament comprising a core material (CM) comprising a fibrous filler (FF) and a thermoplastic polymer (TP1), and the core material (CM) is coated with a layer of shell material (SM) comprising a thermoplastic polymer (TP2). Further, the invention relates to a process for the preparation of said filament, as well as to three-dimensional objects and a process for the preparation thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.