Sanna Hämäläinen

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Metsa, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for regenerating catalysts used for production of polysulphi...
- Patent number 11,219,881
- Issue date Jan 11, 2022
- Andritz Oy
- Sanna Hämäläinen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for regenerating catalysts used for production of polysulphi...
- Publication number 20180133692
- Publication date May 17, 2018
- ANDRITZ OY
- Sanna Hämäläinen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL