Patent · US Active

Selective superparamagnetic sintering and an ink suitable therefor

US12139625B2 · kind B2 · utility

0Cited by

1References

21Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Odo Wunnicke · Dresden, DE
Susanne Leuchs · Haltern am See, DE
Tim Hupfeld · Essen, DE
Michael Holthausen · Haltern am See, DE
Vanessa Vennemann · Gelsenkirchen, DE
Dominik Mispelkamp · Marl, DE
Maximilian Cornelius · Frankfurt am Main, DE
Helmut Mack · Ludwigshafen, DE
Bodo Frings · Aschendorf, DE
Thomas Große-Puppendahl · Schloß Holte-Stukenbrock, DE
Sylvia Monsheimer · Haltern am See, DE
Frank Heindl · Rodenbach, DE

Key dates

Filing date	Feb 3, 2021
Grant date	Nov 12, 2024
Priority date	—
Expiry date	Jun 20, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Methods can be used for producing three-dimensional objects by powder bed fusion, using inks containing superparamagnetic particles and solvents. Sintering is performed by a magnetic field having a frequency of 50 kHz to 5 GHz.

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