Aki Vilpponen

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Varkaus, FI

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Patents Grantslast 30 patents

Information Patent Grant
Bleaching process of chemical pulp
- Patent number 8,524,038
- Issue date Sep 3, 2013
- Oy Lannen Tutkimus—Western Research Inc.
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching process of chemical pulp
- Patent number 8,128,784
- Issue date Mar 6, 2012
- Oy Lannen Tutkimus—Western Research Inc.
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
BLEACHING PROCESS OF CHEMICAL PULP
- Publication number 20090277596
- Publication date Nov 12, 2009
- OY LANNEN TUTKIMUS - WESTERN RESEARCH INC
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BLEACHING PROCESS OF CHEMICAL PULP
- Publication number 20090242152
- Publication date Oct 1, 2009
- OY LANNEN TUTKIMUS - WESTERN RESEARCH INC
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE