Global Patent Index - EP 4323326 A1

EP 4323326 A1 20240221 - COMPOSITE MOULDED BODY MADE OF A REACTION-BONDED MIXED CERAMIC INFILTRATED WITH SILICON

Title (en)

COMPOSITE MOULDED BODY MADE OF A REACTION-BONDED MIXED CERAMIC INFILTRATED WITH SILICON

Title (de)

VERBUNDFORMKÖRPER AUS EINER REAKTIONSGEBUNDENEN, MIT SILIZIUM INFILTRIERTEN MISCHKERAMIK

Title (fr)

CORPS MOULÉ COMPOSITE CONSTITUÉ D?UNE CÉRAMIQUE MIXTE LIÉE PAR RÉACTION INFILTRÉE AVEC DU SILICIUM

Publication

EP 4323326 A1 20240221 (DE)

Application

EP 21721875 A 20210416

Priority

EP 2021059908 W 20210416

Abstract (en)

[origin: CA3214362A1] A shaped composite body of a reaction-bonded, silicon-infiltrated mixed ceramic, the microstructure of which is determined by primary grains of crystalline B4C grains (1) of mean grain size d50 > 100 µm and < 500 µm and a fraction of > 10%, by weight, and < 50%, by weight, and by primary grains of a finer silicon carbide with d50 < 70 µm and a fraction of > 10%, by weight, and < 50%, by weight, and the primary grains are siliconized (3) bonded by secondarily formed silicon carbide with a fraction of > 5%, by weight and < 25%, by weight, in a silicon carbide matrix having a free metallic silicon (2) content of > 1%, by weight, and < 20%, by weight.

IPC 8 full level

C04B 35/565 (2006.01); C04B 35/573 (2006.01); C04B 35/63 (2006.01); C04B 35/65 (2006.01); F41H 5/04 (2006.01)

CPC (source: EP IL KR US)

B28B 1/001 (2013.01 - US); B32B 18/00 (2013.01 - EP IL KR); B33Y 10/00 (2014.12 - EP IL KR); B33Y 70/00 (2014.12 - EP IL KR); C04B 35/565 (2013.01 - EP IL KR US); C04B 35/573 (2013.01 - EP IL KR); C04B 35/6263 (2013.01 - EP IL KR); C04B 35/6316 (2013.01 - EP IL KR); C04B 35/65 (2013.01 - EP IL KR); C04B 41/457 (2013.01 - US); C04B 41/5096 (2013.01 - US); F41H 5/0414 (2013.01 - EP IL KR); C04B 2235/3821 (2013.01 - EP IL KR US); C04B 2235/3826 (2013.01 - EP IL KR US); C04B 2235/421 (2013.01 - EP IL KR); C04B 2235/422 (2013.01 - EP IL KR); C04B 2235/428 (2013.01 - EP IL KR US); C04B 2235/5427 (2013.01 - EP IL KR); C04B 2235/5436 (2013.01 - EP IL KR US); C04B 2235/5445 (2013.01 - EP IL KR); C04B 2235/5463 (2013.01 - EP IL KR); C04B 2235/6022 (2013.01 - EP IL KR); C04B 2235/6026 (2013.01 - EP IL KR); C04B 2235/6027 (2013.01 - EP IL KR); C04B 2235/604 (2013.01 - EP IL KR); C04B 2235/608 (2013.01 - EP IL KR); C04B 2235/616 (2013.01 - EP IL KR US); C04B 2235/728 (2013.01 - EP IL KR); C04B 2235/775 (2013.01 - EP IL KR US); C04B 2235/78 (2013.01 - EP IL KR); C04B 2235/786 (2013.01 - EP IL KR); C04B 2235/94 (2013.01 - EP IL KR); C04B 2235/95 (2013.01 - EP IL KR); C04B 2235/96 (2013.01 - US); C04B 2237/365 (2013.01 - EP IL); C04B 2237/704 (2013.01 - EP IL)

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)

EP 4074676 A1 20221019; AU 2021440327 A1 20231012; CA 3214362 A1 20221020; DE 112021007519 A5 20240404; EP 4323326 A1 20240221; IL 307727 A 20231201; JP 2024516957 A 20240418; KR 20230169966 A 20231218; US 2024158311 A1 20240516; WO 2022218540 A1 20221020

DOCDB simple family (application)

EP 22168592 A 20220414; AU 2021440327 A 20210416; CA 3214362 A 20210416; DE 112021007519 T 20210416; EP 2021059908 W 20210416; EP 21721875 A 20210416; IL 30772723 A 20231015; JP 2023563300 A 20210416; KR 20237034228 A 20210416; US 202117777533 A 20210416