Outi Poukka

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Metsa, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing oxidized lignin in kraft pulp mill
- Patent number 12,054,886
- Issue date Aug 6, 2024
- Andritz Oy
- Lauri Pehu-Lehtonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
A method of removing volatile compounds from a lignin-containing ma...
- Publication number 20230023359
- Publication date Jan 26, 2023
- ANDRITZ OY
- Outi Poukka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for producing oxidized lignin in kraft pulp mill
- Publication number 20220120035
- Publication date Apr 21, 2022
- ANDRITZ OY
- Lauri Pehu-Lehtonen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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