Global Patent Index - EP 4284956 A1

EP 4284956 A1 20231206 - CAST ALUMINUM ALLOYS COMPRISING CALCIUM AND RELATED PROCESSES

Title (en)

CAST ALUMINUM ALLOYS COMPRISING CALCIUM AND RELATED PROCESSES

Title (de)

CALCIUM ENTHALTENDE ALUMINIUMGUSSLEGIERUNGEN UND ZUGEHÖRIGE VERFAHREN

Title (fr)

ALLIAGES D'ALUMINIUM COULÉS COMPRENANT DU CALCIUM ET PROCÉDÉS ASSOCIÉS

Publication

EP 4284956 A1 20231206 (EN)

Application

EP 22705340 A 20220126

Priority

  • US 202163199806 P 20210126
  • US 2022070364 W 20220126

Abstract (en)

[origin: WO2022165492A1] Described are processes for continuously casting aluminum alloys, wherein the alloys comprise or are modified to comprise Mg. The processes involve adding Ca to the molten aluminum alloy prior to casting in order to decrease surface defects and exudates in the cast aluminum alloys.

IPC 8 full level

C22C 21/06 (2006.01); C22C 1/02 (2006.01); C22C 21/08 (2006.01); C22F 1/047 (2006.01)

CPC (source: EP KR US)

B22D 11/003 (2013.01 - KR US); B22D 21/04 (2013.01 - KR); C21D 8/0236 (2013.01 - US); C22C 1/026 (2013.01 - EP KR US); C22C 21/06 (2013.01 - EP); C22C 21/08 (2013.01 - EP KR US); C22F 1/047 (2013.01 - EP KR US)

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)

WO 2022165492 A1 20220804; CA 3204304 A1 20220804; CN 116583613 A 20230811; EP 4284956 A1 20231206; JP 2024504029 A 20240130; KR 20230095109 A 20230628; MX 2023008566 A 20230808; US 2024001437 A1 20240104

DOCDB simple family (application)

US 2022070364 W 20220126; CA 3204304 A 20220126; CN 202280007774 A 20220126; EP 22705340 A 20220126; JP 2023540067 A 20220126; KR 20237017945 A 20220126; MX 2023008566 A 20220126; US 202218253708 A 20220126