Stephan Frenzel

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Mannheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for production of coated paper with extreme whiteness
- Patent number 7,641,765
- Issue date Jan 5, 2010
- BASF Aktiengesellschaft
- Thierry Blum
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE