Per Ivar Karlsen

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Langangen, NO

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for supporting catalyst gauzes in an ammonia oxid...
- Patent number 7,563,419
- Issue date Jul 21, 2009
- Yara International ASA
- Halvor Øien
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method and device for supporting catalyst gauzes in an ammonia oxid...
- Publication number 20060110302
- Publication date May 25, 2006
- Halvor Oien
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL