Kurt A. Ruppert

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Langenselbold, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for working up the filtration residue of crude sodium prepa...
- Patent number 4,857,665
- Issue date Aug 15, 1989
- Degussa Aktiengesellschaft
- Walter Hinrichs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for creating the flow properties to sodium-production filte...
- Patent number 4,767,453
- Issue date Aug 30, 1988
- Degussa Aktiengesellschaft
- Walter Hinrichs
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...