Jyri Välimäki

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating aqueous feed by dissolved gas flotation
- Patent number 11,629,459
- Issue date Apr 18, 2023
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for dewatering of sludge from a pulp, paper or board making...
- Patent number 10,858,782
- Issue date Dec 8, 2020
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TREATING AQUEOUS FEED BY DISSOLVED GAS FLOTATION
- Publication number 20200399828
- Publication date Dec 24, 2020
- KEMIRA OYJ
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR DEWATERING OF SLUDGE FROM A PULP, PAPER OR BOARD MAKING...
- Publication number 20200063340
- Publication date Feb 27, 2020
- KEMIRA OYJ
- Matti Hietaniemi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE