Jan-Erik Hook

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Lilla Edet, SE

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Patents Grantslast 30 patents

Information Patent Grant
Process for bleaching of lignocellulose-containing pulp using a che...
- Patent number 5,658,429
- Issue date Aug 19, 1997
- Eka Nobel AB
- Lennart Andersson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling peroxide bleaching in a plurality of bleachi...
- Patent number 4,878,998
- Issue date Nov 7, 1989
- EKA Nobel AB
- Jan-Erik Hook
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for use in the defibration or refining of lignocellulose-con...
- Patent number 4,311,553
- Issue date Jan 19, 1982
- Sunds Defibrator AB
- Sven G. Akerlund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE