Wolfgang Matzke

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Berg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of removing fine contaminants from used paper fibre material
- Patent number 5,417,806
- Issue date May 23, 1995
- Sulzer-Escher Wyss GmbH
- Wolfgang Matzke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for high temperature, high consistency quick bleaching of ra...
- Patent number 4,909,900
- Issue date Mar 20, 1990
- Sulzer-Escher Wyss GmbH
- Wolfgang Matzke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE