Karl Achenbach

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Frankfurt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for converting silicon dioxide containing waste flue dust t...
- Patent number 4,310,496
- Issue date Jan 12, 1982
- DEGUSSA
- Karl Achenbach
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for converting silicon dioxide containing waste flue dust t...
- Patent number 4,226,837
- Issue date Oct 7, 1980
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Karl Achenbach
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for treating air-borne (metallic) dusts containing silicon...
- Patent number 4,190,632
- Issue date Feb 26, 1980
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Karl Achenbach
- C01 - INORGANIC CHEMISTRY