Ernst Hofmann

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Ludwigshafen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of pure N-vinyl-2-pyrrolidone
- Patent number 5,039,817
- Issue date Aug 13, 1991
- BASF Aktiengesellschaft
- Ruprecht Kroker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,4-dihydro-2H-pyrans useful as pesticides
- Patent number 4,876,275
- Issue date Oct 24, 1989
- BASF Aktiengesellschaft
- Walter Himmele
- C07 - ORGANIC CHEMISTRY