Stefan Stockhammer

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Freigericht, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the separation of pyrimidine derivatives from aqueous s...
- Patent number 6,001,838
- Issue date Dec 14, 1999
- Degussa-Huls AG
- Stefan Stockhammer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cross-flow filtration process for separating organic compound by ad...
- Patent number 5,928,518
- Issue date Jul 27, 1999
- Degussa Aktiengesellschaft
- Wiltrud Schafer-Treffenfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating amino acids and aminosulponic acids through...
- Patent number 5,731,459
- Issue date Mar 24, 1998
- Degussa Aktiengesellschaft
- Stefan Stockhammer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating hydroxymonocarboxylic and tricarboxylic acids
- Patent number 5,676,838
- Issue date Oct 14, 1997
- Degussa Aktiengesellschaft
- Elfriede Sextl
- C07 - ORGANIC CHEMISTRY