Lutz Leitner

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic lacquer dispersions, process for their production and thei...
- Patent number 4,853,289
- Issue date Aug 1, 1989
- Bayer Aktiengesellschaft
- Peter Schick
- G11 - INFORMATION STORAGE
Information Patent Grant
Preparation and use of iron magnetic pigments
- Patent number 4,631,090
- Issue date Dec 23, 1986
- Bayer Aktiengesellschaft
- Rolf Naumann
- G11 - INFORMATION STORAGE
Information Patent Grant
Readily dispersible silicone-coated finely divided solids
- Patent number 4,369,265
- Issue date Jan 18, 1983
- Bayer Aktiengesellschaft
- Gunter Buxbaum
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic metal and alloy pigments
- Patent number 4,325,739
- Issue date Apr 20, 1982
- Bayer Aktiengesellschaft
- Hans-Peter Biermann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Production of cobalt-doped ferrimagnetic iron oxides
- Patent number 4,297,395
- Issue date Oct 27, 1981
- Bayer Aktiengesellschaft
- Gunter Buxbaum
- G11 - INFORMATION STORAGE
Information Patent Grant
Hydrothermal process for producing dense iron oxide pigments
- Patent number 4,140,539
- Issue date Feb 20, 1979
- Bayer Aktiengesellschaft
- Franz Hund
- C01 - INORGANIC CHEMISTRY