Jean-Claude Kiefer

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Precy-sur-Oise, FR

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Patents Grantslast 30 patents

Information Patent Grant
Agent for eliminating heavy metals comprising a phosphate compound
- Patent number 6,444,183
- Issue date Sep 3, 2002
- Rhodia Chimie
- Yves Mottot
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Agent for removing heavy metals comprising a sulphur compound
- Publication number 20020195396
- Publication date Dec 26, 2002
- Jean-Yves Chane-Ching
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL