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Jurgen Wiese
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Krefeld, DE
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last 30 patents
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Patent Grant
Process for the preparation of isometric magnetic iron oxide
Patent number
5,202,043
Issue date
Apr 13, 1993
Bayer Aktiengesellschaft
Jurgen Wiese
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Heat-stable iron oxide black pigments, processes for their producti...
Patent number
5,055,136
Issue date
Oct 8, 1991
Bayer Aktiengesellschaft
Jurgen Wiese
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Co-containing magnetic pigments, processes for the production there...
Patent number
5,028,269
Issue date
Jul 2, 1991
Bayer Aktiengesellschaft
Gunter Buxbaum
G11 - INFORMATION STORAGE
Information
Patent Grant
Highly-coercive isometric iron oxides, a process for the production...
Patent number
5,002,751
Issue date
Mar 26, 1991
Bayer Aktiengesellschaft
Jurgen Wiese
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Iron oxide pigments, a process for their preparation and their use
Patent number
4,990,189
Issue date
Feb 5, 1991
Bayer Aktiengesellschaft
Jurgen Wiese
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Thermostable iron oxide pigments, processes for their preparation a...
Patent number
4,913,063
Issue date
Apr 3, 1990
Bayer Aktiensegellschaft
Friedrich Jonas
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of bright, color-pure iron oxide red pi...
Patent number
4,753,680
Issue date
Jun 28, 1988
Bayer Aktiengesellschaft
Wilfried Burow
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of iron oxides epitaxially coated with c...
Patent number
4,686,142
Issue date
Aug 11, 1987
Bayer Aktiengesellschaft
Peter Kiemle
C30 - CRYSTAL GROWTH