Claudia Wiegand

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Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Etching solution comprising hydrofluoric acid
- Patent number 7,501,072
- Issue date Mar 10, 2009
- BASF Aktiengesellschaft
- Claudia Wiegand
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Etching solution comprising hydrofluoric acid
- Publication number 20070218700
- Publication date Sep 20, 2007
- Claudia Wiegand
- H01 - BASIC ELECTRIC ELEMENTS