Torolf Laxen

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Helsingfors, FI

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Patents Grantslast 30 patents

Information Patent Grant
Bleaching medium consistency pulp with ozone
- Patent number 6,579,411
- Issue date Jun 17, 2003
- Andritz Oy
- Kaj Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for bleaching medium consistency pulp with ozone using a pr...
- Patent number 6,547,923
- Issue date Apr 15, 2003
- Andritz Oy
- Kaj Henricson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE