Albert Mainski

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Rodenkirchen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Purification of sulfuric acid containing acetic acid
- Patent number 4,045,295
- Issue date Aug 30, 1977
- Hoechst Aktiengesellschaft
- Stefan Schafer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of crude hydrogen chloride
- Patent number 4,003,723
- Issue date Jan 18, 1977
- Hoechst Aktiengesellschaft
- Stefan Schafer
- C01 - INORGANIC CHEMISTRY