Jyrki Kettunen

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Kirkniemi, FI

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Patents Grantslast 30 patents

Information Patent Grant
Process and coating color for coating of paper and board
- Patent number 6,117,491
- Issue date Sep 12, 2000
- Metsa-Serla Oy
- Anne Rutanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing pulp for paper manufacture
- Patent number 5,914,004
- Issue date Jun 22, 1999
- Metsa-Serla Oy
- Jyrki Kettunen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE