Hilmar Roszinski

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Kendenich near Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for fumigating waste waters
- Patent number 5,213,717
- Issue date May 25, 1993
- Hoechst Aktiengesellschaft
- Wilhelm P. Doppelfeld
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for purifying wet-processed phosphoric acid
- Patent number 4,556,548
- Issue date Dec 3, 1985
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of O,O-dialkylthionophosphoric acid ch...
- Patent number 4,354,983
- Issue date Oct 19, 1982
- Hoechst Aktiengesellschaft
- Hilmar Roszinski
- C07 - ORGANIC CHEMISTRY