Helena Falgen

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Sundsvall, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing chlorine dioxide
- Patent number 6,576,213
- Issue date Jun 10, 2003
- EKA Chemicals, Inc.
- Helena Falgén
- 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 of producing chlorine dioxide
- Patent number 5,487,881
- Issue date Jan 30, 1996
- EKA Nobel Inc.
- Helena Falgen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrochemical process
- Patent number 5,478,446
- Issue date Dec 26, 1995
- EKA Nobel Inc.
- Helena Falgen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of chlorine dioxide
- Patent number 5,091,167
- Issue date Feb 25, 1992
- EKA Nobel AB
- Jorgen Engstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE