Global Patent Index - EP 4229133 A1

EP 4229133 A1 20230823 - MAGNETIC COMPOSITION COMPRISING A RESIN CONSISTING OF COPOLYMERS CONTAINING POLYAMIDE BLOCKS AND POLYETHER BLOCKS

Title (en)

MAGNETIC COMPOSITION COMPRISING A RESIN CONSISTING OF COPOLYMERS CONTAINING POLYAMIDE BLOCKS AND POLYETHER BLOCKS

Title (de)

MAGNETISCHE ZUSAMMENSETZUNG MIT EINEM HARZ AUS COPOLYMEREN MIT POLYAMIDBLÖCKEN UND POLYETHERBLÖCKEN

Title (fr)

COMPOSITION MAGNÉTIQUE COMPRENANT UNE RÉSINE DE COPOLYMÈRES À BLOCS POLYAMIDES ET À BLOCS POLYÉTHERS

Publication

EP 4229133 A1 20230823 (FR)

Application

EP 21807172 A 20211013

Priority

  • FR 2010449 A 20201013
  • FR 2021051775 W 20211013

Abstract (en)

[origin: WO2022079387A1] The invention relates to a magnetic composition comprising a resin which consists of copolymers containing polyamide blocks and polyether blocks and in which the magnetic particles are dispersed. The invention also relates to a process for the preparation thereof, and to the use thereof for manufacturing a magnet, in particular for electronic or electrical applications (smartphone, tablet, ...), for sports, motor vehicle or industrial applications.

IPC 8 full level

C08L 77/12 (2006.01); H01F 1/08 (2006.01)

CPC (source: EP KR US)

C08G 69/40 (2013.01 - KR); C08J 3/203 (2013.01 - US); C08K 7/18 (2013.01 - US); C08L 77/12 (2013.01 - EP KR); H01F 1/083 (2013.01 - EP KR); H01F 1/113 (2013.01 - EP KR); C08G 69/40 (2013.01 - EP); C08J 2377/12 (2013.01 - US); C08K 2201/01 (2013.01 - US)

Citation (search report)

See references of WO 2022079387A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

FR 3115039 A1 20220415; FR 3115039 B1 20231110; CN 116325032 A 20230623; EP 4229133 A1 20230823; JP 2023544887 A 20231025; KR 20230087537 A 20230616; US 2023383096 A1 20231130; WO 2022079387 A1 20220421

DOCDB simple family (application)

FR 2010449 A 20201013; CN 202180070278 A 20211013; EP 21807172 A 20211013; FR 2021051775 W 20211013; JP 2023522398 A 20211013; KR 20237015836 A 20211013; US 202118248807 A 20211013