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Christer Bergstrom
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Helsinki, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Alkylation process
Patent number
7,030,285
Issue date
Apr 18, 2006
Optatech Corporation
Adriana De Stefanis
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing cyclic monomers
Patent number
6,566,570
Issue date
May 20, 2003
Optatech Corporation
Christer Bergström
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing 2,6-dimethylnaphthalene
Patent number
6,472,576
Issue date
Oct 29, 2002
Optatech Corporation
Christer Bergström
C07 - ORGANIC CHEMISTRY
Information
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
Process for preparing polyacrylate/polyolefin blends
Patent number
6,262,177
Issue date
Jul 17, 2001
Optatech Corporation
Christer Bergström
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Amorphous olefin co/ter-polymers
Patent number
6,054,543
Issue date
Apr 25, 2000
OPTATECH Corporation
Christer Hans Bergstrom
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyphenylene ether blends and a process for the preparation thereof
Patent number
5,929,168
Issue date
Jul 27, 1999
Optatech, Corporation
Olli Ikkala
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers for release films on surfaces containing pressure-sensitiv...
Patent number
5,854,356
Issue date
Dec 29, 1998
Neste Oy
Christer Bergstrom
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Melt-processable block copolyesterimide and method for manufacturin...
Patent number
5,677,394
Issue date
Oct 14, 1997
Neste Oy
Frank Bohme
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dynamically crosslinked polyolefin composition
Patent number
5,342,887
Issue date
Aug 30, 1994
Neste Oy
Christer Bergstrom
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Plastic coated steel tube and method for preparing the same
Patent number
4,990,383
Issue date
Feb 5, 1991
Neste Oy
Christer Bergstrom
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified polyolefin, method for making the same, and use thereof
Patent number
4,937,284
Issue date
Jun 26, 1990
Neste Oy
Christer Bergstrom
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified polyolefine
Patent number
4,877,685
Issue date
Oct 31, 1989
Neste Oy
Christer Bergstrom
B32 - LAYERED PRODUCTS
Information
Patent Grant
Chemically modified polyolefin
Patent number
4,746,704
Issue date
May 24, 1988
Neste Oy
Christer Bergstrom
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compound film containing olefin
Patent number
4,639,398
Issue date
Jan 27, 1987
Neste Oy
Christer Bergstrom
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polyolefin foam foamed with water and cross-linked with silane, and...
Patent number
4,591,606
Issue date
May 27, 1986
Neste Oy
Christer Bergstrom
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Heat and oil resistant thermoplastic elastomer
Publication number
20040176548
Publication date
Sep 9, 2004
Tomi Heiskanen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Alkylation process
Publication number
20030023124
Publication date
Jan 30, 2003
Adriana De Stefanis
C07 - ORGANIC CHEMISTRY