Roy Hammer-Olsen

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Ljungaverk, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing chlorine dioxide
- Patent number 6,585,950
- Issue date Jul 1, 2003
- EKA Nobel AB
- Anders Dahl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Chemical method
- Patent number 6,322,690
- Issue date Nov 27, 2001
- Akzo Nobel N.V.
- Roy Hammer-Olsen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Recovery process in a pulp mill
- Patent number 5,980,717
- Issue date Nov 9, 1999
- Eka Chemical AB
- Roland Pudas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Leaching process
- Patent number 5,961,803
- Issue date Oct 5, 1999
- Eka Chemicals AB
- Johan Landfors
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing chlorine dioxide
- Patent number 5,674,466
- Issue date Oct 7, 1997
- Eka Nobel AB
- Anders Dahl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of producing chlorine dioxide
- Patent number 5,523,072
- Issue date Jun 4, 1996
- EKA Nobel Inc.
- Helena Falgen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for production of acidified process streams
- Patent number 5,407,547
- Issue date Apr 18, 1995
- Eka Nobel AB
- Johan Landfors
- C01 - INORGANIC CHEMISTRY