Tapio Viitanen

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Rauma, FI

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Patents Grantslast 30 patents

Information Patent Grant
Bleaching of cellulosic fibre material with peroxide using polymers...
- Patent number 7,754,048
- Issue date Jul 13, 2010
- Kemira Oyj
- Aarto Paren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Bleaching of cellulosic fibre material with peroxide using polymers...
- Publication number 20060144534
- Publication date Jul 6, 2006
- Aarto Paren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE