Jan-Erik sterholm

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Porvoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing a conductive polymer
- Patent number 5,279,769
- Issue date Jan 18, 1994
- Neste Oy
- Timo Kokkonen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Conductive plastic composite and its preparation and use
- Patent number 5,158,707
- Issue date Oct 27, 1992
- Neste Oy
- Torvald Vestberg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Doped lignin polymer
- Patent number 4,610,809
- Issue date Sep 9, 1986
- Rauma-Repola Oy
- Ermo Kaila
- H01 - BASIC ELECTRIC ELEMENTS