Michèle Raffard

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Composition useful for conditioning sludge derived from the treatme...
- Patent number 6,855,268
- Issue date Feb 15, 2005
- Rhodia Chimie
- Yvette Pescher
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE