Franz-Ludwig Dahm

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Alzenau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Animal feed additive based on fermentation broth, a process for its...
- Patent number 5,622,710
- Issue date Apr 22, 1997
- Degussa Aktiengesellschaft
- Wolfram Binder
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the purification of nicotinic acid amide
- Patent number 4,447,614
- Issue date May 8, 1984
- Degussa Aktiengesellschaft
- Helmut Beschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of nicotinic acid amide I
- Patent number 4,447,615
- Issue date May 8, 1984
- Degussa Aktiengesellschaft
- Helmut Beschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of pyridine and 3-methylpyridine
- Patent number 4,237,299
- Issue date Dec 2, 1980
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Helmut Beschke
- C07 - ORGANIC CHEMISTRY