Tom Cornelis Jan Feijtel

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Hevillers, BE

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Patents Grantslast 30 patents

Information Patent Grant
Process for separation of heavy metals from residues by use of ethy...
- Patent number 6,485,629
- Issue date Nov 26, 2002
- The Procter & Gamble Company
- Diederik Rudolf Schowanek
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of heavy metals and materials for use in this
- Patent number 6,264,720
- Issue date Jul 24, 2001
- The Procter & Gamble Co.
- Diederik Rudolf Schowanek
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL