Hans-Joachim Semmler

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Hochheim, Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Single-component alkali metal silicate cement composition
- Patent number 5,296,027
- Issue date Mar 22, 1994
- Hoechst Aktiengesellschaft
- Josef Ernst
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
One-component alkali metal silicate cement composition
- Patent number 4,597,796
- Issue date Jul 1, 1986
- Hoechst Aktiengesellschaft
- Josef Ernst
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the manufacture of a cementitious resin solution
- Patent number 4,483,968
- Issue date Nov 20, 1984
- Hoechst Aktinegesellschaft
- Hans-Joachim Semmler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the manufacture of ammonium nitrilotrisulfonate
- Patent number 4,378,341
- Issue date Mar 29, 1983
- Hoechst Aktiengesellschaft
- Hans-Peter Rieck
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of perfluoroethyl iodide
- Patent number 4,118,290
- Issue date Oct 3, 1978
- Hoechst Aktiengesellschaft
- Hans-Joachim Semmler
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR