Roswitha Muller

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Erkrath, DE

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic polymer composition materials for pretreating paper
- Patent number 4,293,458
- Issue date Oct 6, 1981
- Henkel Kommanditgesellschaft auf Aktien
- Eberhard Gruenberger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE