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Walter Frohlich
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Burgkirchen, DE
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last 30 patents
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Patent Grant
Process for the thermal cleavage of 1,2-dichloroethane
Patent number
4,851,597
Issue date
Jul 25, 1989
Hochst Aktiengesellschaft
Bernd Felix
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and apparatus for the removal of solid particles from liqui...
Patent number
4,851,134
Issue date
Jul 25, 1989
Hoechst Aktiengesellschaft
Horst Bennoit
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of vinyl chloride through thermal cracki...
Patent number
4,798,914
Issue date
Jan 17, 1989
Hoechst Aktiengesellschaft
Gerhard Link
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of 1,2-dichloroethane
Patent number
4,747,914
Issue date
May 31, 1988
Hoechst Aktiengesellschaft
Peter Schwarzmaier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of vinyl chloride by the thermal cracki...
Patent number
4,324,932
Issue date
Apr 13, 1982
Gerhard Link
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of vinyl chloride
Patent number
4,225,520
Issue date
Sep 30, 1980
Hoechst Aktiengesellschaft
Josef Riedl
C07 - ORGANIC CHEMISTRY