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Werner Brijoux
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Mulheim, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for modifying the dispersion characteristics of metal organi...
Patent number
6,531,304
Issue date
Mar 11, 2003
Studiengesellschaft Kohle mbH
Helmut Bönnemann
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Anticorrosive magnetic nanocolloids protected by precious metals
Patent number
6,491,842
Issue date
Dec 10, 2002
Studiengesellschaft Kohle mbH
Helmut Bönnemann
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Process for producing tenside-stabilized colloids of mono- and bime...
Patent number
6,090,746
Issue date
Jul 18, 2000
Studiengesellschaft Kohle M.b.h.
Helmut Bonnemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of highly active doped metal supported...
Patent number
5,641,723
Issue date
Jun 24, 1997
Studiengesellschaft Kohle M.b.h.
Helmut Bonnemann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Microcrystalline-to-amorphous metal and/or alloy powders dissolved...
Patent number
5,580,492
Issue date
Dec 3, 1996
Studiengesellschaft Kohle mbH
Helmut Bonnemann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for preparing microcrystalline-to-amorphous metal and/or al...
Patent number
5,308,377
Issue date
May 3, 1994
Studiengesellschaft Kohle mbH
Helmut Bonnemann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Acicular iron-magnet pigments having an adjustable coercive field s...
Patent number
5,240,515
Issue date
Aug 31, 1993
Studiengesellschaft Kohle mbH
Helmut Bonnemann
G11 - INFORMATION STORAGE
Information
Patent Grant
Acicular iron-magnet pigments having an adjustable coercive field s...
Patent number
5,053,075
Issue date
Oct 1, 1991
Studiengesellschaft Kohle M.b.h.
Helmut Bonnemann
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Monodispersable magnetic nanocolloids having an adjustable size and...
Publication number
20060037434
Publication date
Feb 23, 2006
Studiengesellschaft Kohle mbH
Helmut Bonnemann
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Anticorrosive magnetic nanocolloids protected by precious metals
Publication number
20030098437
Publication date
May 29, 2003
Helmut Bonnemann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL