Hans-Joerg Hartmann

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Freinsheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording media
- Patent number 4,357,378
- Issue date Nov 2, 1982
- BASF Aktiengesellschaft
- Guenter Vaeth
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media containing elastomeric polyurethane binder...
- Patent number 4,320,171
- Issue date Mar 16, 1982
- BASF Aktiengesellschaft
- Herbert Motz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Manufacture of magnetic recording media
- Patent number 4,180,597
- Issue date Dec 25, 1979
- BASF Aktiengesellschaft
- Herbert Motz
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media
- Patent number 4,152,484
- Issue date May 1, 1979
- BASF Aktiengesellschaft
- Rudolf Bachmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...