Lauri PEHU-LEHTONEN

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Helsinki, 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

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 OF CONTROLLING THE CHEMICAL BALANCE OF A PULP MILL
- Publication number 20200283954
- Publication date Sep 10, 2020
- ANDRITZ OY
- Lauri PEHU-LEHTONEN
- C01 - INORGANIC CHEMISTRY