Anna-Maija PERANDER

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of a mixture of chelating agents, mixtu...
- Patent number 11,225,456
- Issue date Jan 18, 2022
- Kemira Oyj
- Reijo Aksela
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for treating pulp
- Patent number 11,072,886
- Issue date Jul 27, 2021
- Kemira Oyj
- Leif Robertsén
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING CATIONIZED CELLULOSE AND CATIONIZED CELLULOSE
- Publication number 20230014619
- Publication date Jan 19, 2023
- KEMIRA OYJ
- Veli-Matti VUORENPALO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the Preparation of a Mixture of Chelating Agents, Mixtu...
- Publication number 20200223786
- Publication date Jul 16, 2020
- KEMIRA OYJ
- Reijo AKSELA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for the Preparation of a Mixture of Chelating Agents, Mixtu...
- Publication number 20200181063
- Publication date Jun 11, 2020
- KEMIRA OYJ
- Reijo AKSELA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
A process for treating pulp
- Publication number 20190186075
- Publication date Jun 20, 2019
- KEMIRA OYJ
- Leif ROBERTSÉN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE