Wiltrud Schafer-Treffenfeldt

Follow

Person

Obertshausen, DE

People

Patents Grantslast 30 patents

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 the separation of amino acids from aqueous solutions
- Patent number 5,312,980
- Issue date May 17, 1994
- Degussa Aktiengesellschaft
- Sems Yonsel
- C07 - ORGANIC CHEMISTRY