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Alfred Freissmuth
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Trostberg, DE
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last 30 patents
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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
Process for the treatment of iron melts and for increasing the scra...
Patent number
4,242,126
Issue date
Dec 30, 1980
SKW Trostberg Aktiengesellschaft
Alfred Freissmuth
C21 - METALLURGY OF IRON
Information
Patent Grant
Desulfurization of iron melts
Patent number
4,169,724
Issue date
Oct 2, 1979
SKW Trostberg Aktiengesellschaft
Alfred Freissmuth
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and composition for the desulfurization of molten metals
Patent number
4,159,906
Issue date
Jul 3, 1979
Suddeutsche Kalkstickstoff-Werke Aktiengesellschaft
Walter Meichsner
C21 - METALLURGY OF IRON
Information
Patent Grant
Desulfurization of iron melts with fine particulate mixtures contai...
Patent number
4,154,605
Issue date
May 15, 1979
SKW Trostberg Aktiengesellschaft
Alfred Freissmuth
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