Udo Kullmann

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Dirmstein, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of cobalt-containing isotropic magnetic iron oxides
- Patent number 4,755,315
- Issue date Jul 5, 1988
- BASF Aktiengesellschat
- Werner Steck
- G11 - INFORMATION STORAGE
Information Patent Grant
Preparation of finely divided ferrite powders
- Patent number 4,664,831
- Issue date May 12, 1987
- BASF Aktiengesellschaft
- Hartmut Hibst
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording media with a dual protective coating of silicon...
- Patent number 4,560,624
- Issue date Dec 24, 1985
- BASF Aktiengesellschaft
- Christine Guttner
- G11 - INFORMATION STORAGE