Heinrich-Christian Schopper

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Optical biosensor and method of use
- Patent number 5,194,393
- Issue date Mar 16, 1993
- Bayar Aktiengesellschaft
- Herbert Hugl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Coated substrates having an ultrathin, single-layer or multilayer c...
- Patent number 5,030,516
- Issue date Jul 9, 1991
- Bayer Aktiengesellschaft
- Rolf Wehrmann
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Coated supports with ultra-thin, single-layer or multi-layer coatin...
- Patent number 4,978,732
- Issue date Dec 18, 1990
- Bayer Aktiengesellschaft
- Rolf Wehrmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Ferromagnetic metal pigment essentially consisting of iron and a pr...
- Patent number 4,290,799
- Issue date Sep 22, 1981
- Bayer Aktiengesellschaft
- Gerhard Schroeder
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of recording and playing back video signals on magnetic tape
- Patent number 4,198,662
- Issue date Apr 15, 1980
- Bayer Aktiengesellschaft
- Heinrich-Christian Schopper
- G11 - INFORMATION STORAGE