METSO CHEMICAL PULPING OY

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Patents Grantslast 30 patents

Information Patent Grant
Batch process for producing chemical pulp by removing and reintrodu...
- Patent number 6,939,439
- Issue date Sep 6, 2005
- Metso Chemical Pulping Oy
- Asko Paakki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for avoiding mechanical damage of pulp
- Patent number 6,719,878
- Issue date Apr 13, 2004
- Metso Chemical Pulping Oy
- Mikael Svedman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the production of precleaned pulp
- Patent number 6,533,896
- Issue date Mar 18, 2003
- Metso Chemical Pulping Oy
- Panu Tikka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Long shoeless nip press
- Patent number 6,387,216
- Issue date May 14, 2002
- Metso Chemical Pulping Oy
- Ilpo Koski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Press
- Patent number 6,334,933
- Issue date Jan 1, 2002
- Metso Chemical Pulping Oy
- Ilpo Koski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE