Anders Schei

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Patents Grantslast 30 patents

Information Patent Grant
Use of alumina-carbon agglomerates in the carbothermic production o...
- Patent number 7,819,937
- Issue date Oct 26, 2010
- Alcoa Inc.
- Richard J. Fruehan
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Use of alumina-carbon agglomerates in the carbothermic production o...
- Patent number 7,753,988
- Issue date Jul 13, 2010
- Alcoa Inc.
- Richard J. Fruehan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for refining of silicon
- Patent number 5,788,945
- Issue date Aug 4, 1998
- Elkem ASA
- Anders Schei
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
USE OF ALUMINA-CARBON AGGLOMERATES IN THE CARBOTHERMIC PRODUCTION O...
- Publication number 20100107815
- Publication date May 6, 2010
- ALCOA INC.
- Richard J. Fruehan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
USE OF ALUMINA-CARBON AGGLOMERATES IN THE CARBOTHERMIC PRODUCTION O...
- Publication number 20090013823
- Publication date Jan 15, 2009
- ALCOA INC.
- Richard J. Fruehan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...