Seppo Martikainen

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Kallaanvaara, FI

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Patents Grantslast 30 patents

Information Patent Grant
Treatment of cellulosic material with a chelating agent prior to al...
- Patent number 6,413,367
- Issue date Jul 2, 2002
- Valmet Chemical Pulping OY
- Mikael Svedman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Batch process for preparing pulp
- Publication number 20060175029
- Publication date Aug 10, 2006
- METSO PAPER INC.
- Seppo Martikainen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE