Ernst Lang

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Wachenheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of at least one organic compound by heterogeneously cat...
- Patent number 6,958,414
- Issue date Oct 25, 2005
- BASF Aktiengesellschaft
- Volker Schliephake
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of N-ethylpiperazine by distillation
- Patent number 5,626,724
- Issue date May 6, 1997
- BASF Aktiengesellschaft
- Klaus-Dieter Malsch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of indigo
- Patent number 5,116,996
- Issue date May 26, 1992
- BASF Aktiengesellschaft
- Reinhold Kohlhaupt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Preparation of at least one organic compound by heterogeneously cat...
- Publication number 20040116730
- Publication date Jun 17, 2004
- BASF Aktiengesellschaft
- Volker Schliephake
- C07 - ORGANIC CHEMISTRY