Global Patent Index - EP 3419933 A1

EP 3419933 A1 20190102 - PROCESS FOR PRODUCING SILICON

Title (en)

PROCESS FOR PRODUCING SILICON

Title (de)

VERFAHREN ZUR HERSTELLUNG VON SILICIUM

Title (fr)

PROCÉDÉ DE FABRICATION DE SILICIUM

Publication

EP 3419933 A1 20190102 (DE)

Application

EP 17707491 A 20170215

Priority

  • DE 102016202889 A 20160224
  • EP 2017053427 W 20170215

Abstract (en)

[origin: WO2017144328A1] The invention relates to methods for producing silicon by means of magnesiothermic reduction of silicon dioxide, characterized in that a feedstock mixture comprising silicon dioxide (SiO2), magnesium (mg) and, as a moderator, magnesium oxide (MgO) having a BET surface area of ≤ 40 m2/g is used for the magnesiothermic reduction.

IPC 8 full level

C01B 33/023 (2006.01); C01F 5/04 (2006.01)

CPC (source: EP KR US)

C01B 33/023 (2013.01 - EP KR US); C01F 5/02 (2013.01 - KR); C01F 5/04 (2013.01 - EP US); C01F 5/02 (2013.01 - US); C01P 2006/12 (2013.01 - KR)

Citation (search report)

See references of WO 2017144328A1

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

DOCDB simple family (publication)

DE 102016202889 A1 20170824; CN 108778995 A 20181109; EP 3419933 A1 20190102; JP 2019506360 A 20190307; KR 20180116373 A 20181024; US 2019031516 A1 20190131; WO 2017144328 A1 20170831

DOCDB simple family (application)

DE 102016202889 A 20160224; CN 201780013193 A 20170215; EP 17707491 A 20170215; EP 2017053427 W 20170215; JP 2018544471 A 20170215; KR 20187027531 A 20170215; US 201716077502 A 20170215