Temperature-stable soft-magnetic powder

US12002609B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Rene Koenig · Neustadt, DE
• Rastko Joksimovic · Ludwigshafen, DE
• Ingo Muenster · Haßloch, DE
• Volker Klock · Ludwigshafen, DE
• Jae Hyung Hwang · Ludwigshafen, DE
• Moritz Ehrenstein · Ludwigshafen, DE
• Eike Hupe · Ludwigshafen, DE
• Joachim Nilges · Ludwigshafen, DE
• Ralf Liebscher · Ludwigshafen, DE
• Christoffer Kieburg · Ludwigshafen, DE

Key dates

• Filing date: Jul 9, 2019
• Grant date: Jun 4, 2024
• Expiry date: May 14, 2041

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01F1/26
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A soft-magnetic powder coated with a silicon-based coating, wherein the silicon-based coating comprises at least one fluorine containing composition of formula (I), Si1-0.75cMcO2-0.5cFd (I), wherein c is in the range of 0.01 to 0.5, d is in the range of 0.04 to 2, and M is B or Al.