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Werner Gmohling
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Hufschlag, DE
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Patents Grants
last 30 patents
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Patent Grant
Process for the production of silicon nitride and product made acco...
Patent number
5,114,693
Issue date
May 19, 1992
SKW Trostberg Aktiengesellschaft
Jochen Hintermayer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Agent for desulphurizing iron melts, a process for the production t...
Patent number
4,943,317
Issue date
Jul 24, 1990
SKW Trostberg Aktiengesellschaft
Helmut Lischka
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for desulfurizing molten iron
Patent number
4,832,739
Issue date
May 23, 1989
Thyssen Stahl AG
Walter Meichsner
C21 - METALLURGY OF IRON
Information
Patent Grant
Fine-grained agent for desulfurizing molten iron
Patent number
4,764,211
Issue date
Aug 16, 1988
Thyssen Stahl AG
Walter Meichsner
C21 - METALLURGY OF IRON
Information
Patent Grant
Method, process and composition for desulfurizing pig-iron melts
Patent number
4,592,777
Issue date
Jun 3, 1986
Thyssen Stahl AG
Heinrich Rellermeyer
C21 - METALLURGY OF IRON
Information
Patent Grant
Treatment agent for cast iron melts and a process for the productio...
Patent number
4,540,436
Issue date
Sep 10, 1985
SKW Trostberg AG
Friedrich Wolfsgruber
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Desulfurization agent
Patent number
4,430,118
Issue date
Feb 7, 1984
SKW Trostberg Aktiengesellschaft
Alfred Freissmuth
C21 - METALLURGY OF IRON
Information
Patent Grant
Desulfurization mixture and process for desulfurizing pig iron
Patent number
4,315,773
Issue date
Feb 16, 1982
SKW Trostberg Aktiengesellschaft
Alfred Freissmuth
C21 - METALLURGY OF IRON
Information
Patent Grant
Desulfurizing composition, process for producing them and desulfuri...
Patent number
4,260,413
Issue date
Apr 7, 1981
SKW Trostberg Aktiengesellschaft
Alfred Freissmuth
C21 - METALLURGY OF IRON
Information
Patent Grant
Desulfurization agent for ferrous melts and method of using the same
Patent number
4,194,902
Issue date
Mar 25, 1980
SKW Trostberg Aktiengesellschaft
Werner Gmohling
C21 - METALLURGY OF IRON
Information
Patent Grant
Composition and method for the desulfurization of molten iron
Patent number
4,154,606
Issue date
May 15, 1979
Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft
Alfred Freissmuth
C21 - METALLURGY OF IRON