Jurgen Hartwig

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing corrosion resistant chromium steel
- Patent number 4,610,734
- Issue date Sep 9, 1986
- Fried. KRUPP Gesellschaft mit beschrankter Haftung
- Jurgen Hartwig
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and system for the production of very pure alloys
- Patent number 4,584,015
- Issue date Apr 22, 1986
- Fried. Krupp Gesellschaft mit beschrankter Haftung
- Jurgen Hartwig
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for separating ethanol from an ethanol containing solution
- Patent number 4,492,808
- Issue date Jan 8, 1985
- Fried. KRUPP Gesellschaft mit beschrankter Haftung
- Rainer Hagen
- C07 - ORGANIC CHEMISTRY