Karl-Heinz Schonwalder

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Kelkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of ether carboxylic acids from carbohyd...
- Patent number 5,223,642
- Issue date Jun 29, 1993
- Hoechst Aktiengesellschaft
- Karl-Heinz Schonwalder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a mixture of sucrose oxidation produ...
- Patent number 5,082,504
- Issue date Jan 21, 1992
- Hoechst Aktiengesellschaft
- Ernst I. Leupold
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the separation of butanol and butoxyacetaldehyde
- Patent number 4,986,885
- Issue date Jan 22, 1991
- Hoechst Aktiengesellschaft
- Robert K. Driscoll
- C07 - ORGANIC CHEMISTRY