Hans Zeiringer

Follow

Person

Kappel, Krappfeld, AT

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing a fine grained powder consisting of nitrides a...
- Patent number 5,147,831
- Issue date Sep 15, 1992
- Treibacher Chemische Werke Aktiengesellschaft
- Hans Zeiringer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Proces for the production of rare earth metals and alloys
- Patent number 4,786,319
- Issue date Nov 22, 1988
- Treibacher Chemische Werke AG
- Hans Zeiringer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Preparation of abrasive material from spent catalysts
- Patent number 4,142,871
- Issue date Mar 6, 1979
- Treibacher Chemische Werke Aktiengesellschaft
- Hans Zeiringer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES