Pentti Pirkonen

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Jyvaskyla, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for concentrating fibril cellulose and fibril cellulose product
- Patent number 9,663,588
- Issue date May 30, 2017
- UPM-Kymmene Corporation
- Annikki Vehniäinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for cleaning a filter surface
- Patent number 6,284,136
- Issue date Sep 4, 2001
- Outokumpu Oyj
- Timo Tuori
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Combined ultrasonic cleaning and washing of filter disks
- Patent number 6,217,782
- Issue date Apr 17, 2001
- Outokumpu Oyj
- Timo Tuori
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CONCENTRATING FIBRIL CELLULOSE AND FIBRIL CELLULOSE PRODUCT
- Publication number 20140329094
- Publication date Nov 6, 2014
- UPM-Kymmene Corporation
- Annikki Vehniäinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE