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Erkki Halme
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Helsinki, FI
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last 30 patents
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Patent Grant
Method for preparing norbornene and substituted derivatives of norb...
Patent number
6,294,706
Issue date
Sep 25, 2001
Opatatech Corporation
Christer Bergström
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the preparation of hollow polymer particle latex
Patent number
6,235,810
Issue date
May 22, 2001
Neste Chemicals OY
Valery Pavlyuchenko
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Manufacturing of 2,6-dimethylnaphthalene
Patent number
5,952,534
Issue date
Sep 14, 1999
Optatech Oy
Kari Vahteristo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkenyl substituted cyclic carboxyl acid anhydrides and their appli...
Patent number
5,939,562
Issue date
Aug 17, 1999
Neste Oy
Mika Kapanen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst system for selective alkylation of toluene
Patent number
4,952,546
Issue date
Aug 28, 1990
Neste Oy
Pekka Knuuttila
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Procedure for manufacturing short-chain linear .alpha.-olefines fro...
Patent number
4,816,610
Issue date
Mar 28, 1989
Neste Oy
Salme Koskimies
C07 - ORGANIC CHEMISTRY