Helmut Schaum

Follow

Person

Bad Soden am Taunus, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of practically formic acid-free acetic...
- Patent number 4,380,663
- Issue date Apr 19, 1983
- Hoechst Aktiengesellschaft
- Gunter Roscher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of carboxylic acids
- Patent number 4,110,372
- Issue date Aug 29, 1978
- Hoechst Aktiengesellschaft
- Hansjorg Hey
- C07 - ORGANIC CHEMISTRY