Global Patent Index - EP 4363222 A1

EP 4363222 A1 20240508 - THERMOPLASTIC POLYMER POWDER FOR 3D PRINTING WITH IMPROVED STABILITY AND RECYCLABILITY

Title (en)

THERMOPLASTIC POLYMER POWDER FOR 3D PRINTING WITH IMPROVED STABILITY AND RECYCLABILITY

Title (de)

THERMOPLASTISCHES POLYMERPULVER FÜR 3D-DRUCK MIT VERBESSERTER STABILITÄT UND REZYKLIERBARKEIT

Title (fr)

POUDRE DE POLYMÈRE THERMOPLASTIQUE POUR IMPRESSION 3D À LA STABILITÉ ET À LA RECYCLABILITÉ AMÉLIORÉES

Publication

EP 4363222 A1 20240508 (FR)

Application

EP 22747075 A 20220628

Priority

  • FR 2106981 A 20210629
  • FR 2022051284 W 20220628

Abstract (en)

[origin: WO2023275483A1] The present invention relates to a polymer powder for manufacturing articles by 3D printing, especially by sintering, comprising a thermoplastic polymer and a specific antioxidant, having improved stability and recyclability. The invention also relates to a method for the preparation of said powder and its use in a method for manufacturing by sintering, and the articles manufactured from the powder.

IPC 8 full level

B33Y 10/00 (2015.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); C08J 3/12 (2006.01); C08K 5/372 (2006.01); C08K 5/42 (2006.01)

CPC (source: EP KR US)

B29C 64/153 (2017.08 - KR); B29C 64/314 (2017.08 - US); B33Y 10/00 (2014.12 - KR); B33Y 70/00 (2014.12 - EP US); B33Y 70/10 (2020.01 - KR); C08J 3/12 (2013.01 - EP KR US); C08K 5/1345 (2013.01 - US); C08K 5/20 (2013.01 - US); C08K 5/372 (2013.01 - EP KR US); C08K 5/42 (2013.01 - EP KR US); B29K 2045/00 (2013.01 - US); B29K 2077/00 (2013.01 - EP KR US); B29K 2105/0094 (2013.01 - US); B29K 2105/16 (2013.01 - US); B29K 2105/251 (2013.01 - US); B29K 2995/004 (2013.01 - US); B29K 2995/0094 (2013.01 - US); C08J 2377/00 (2013.01 - KR); C08J 2377/02 (2013.01 - EP US)

C-Set (source: EP)

  1. C08K 5/42 + C08L 77/00
  2. C08K 5/372 + C08L 77/00

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 3124513 A1 20221230; FR 3124513 B1 20240510; CN 117580711 A 20240220; EP 4363222 A1 20240508; JP 2024525451 A 20240712; KR 20240027763 A 20240304; US 2024287262 A1 20240829; WO 2023275483 A1 20230105

DOCDB simple family (application)

FR 2106981 A 20210629; CN 202280045821 A 20220628; EP 22747075 A 20220628; FR 2022051284 W 20220628; JP 2023580507 A 20220628; KR 20247003282 A 20220628; US 202218573213 A 20220628