Sten Ångström

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Lulea, SE

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Patents Grantslast 30 patents

Information Patent Grant
Process for production of direct reduced iron
- Patent number 8,709,128
- Issue date Apr 29, 2014
- Luossavaara-Kiirunavaara AB
- Klaus Knop
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCTION OF DIRECT REDUCED IRON
- Publication number 20110247457
- Publication date Oct 13, 2011
- LUOSSAVAARA-KIIRUNAVAARA AB
- Klaus Knop
- C21 - METALLURGY OF IRON