Yvette Pescher

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Bagneux, 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
Information Patent Grant
Process for the purification of a medium containing organic waste
- Patent number 5,914,040
- Issue date Jun 22, 1999
- Rhone-Poulenc Chimie
- Yvette Pescher
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the preparation of rare-earth sulphides from halides
- Patent number 5,746,990
- Issue date May 5, 1998
- Rhone-Poulenc Chimie
- Pierre MaCaudiere
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Coagulants containing basic aluminum polychloride or polychlorosulf...
- Patent number 5,597,510
- Issue date Jan 28, 1997
- Kemrhone France
- Sylvain Danda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Purification of aqueous media using aluminum polychloride/iron comp...
- Patent number 5,587,086
- Issue date Dec 24, 1996
- Kemrhone France
- Sylvain Danda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Recovery of gallium values from basic aqueous solutions thereof
- Patent number 5,204,074
- Issue date Apr 20, 1993
- Rhone-Poulenc Chimie
- Yvette Pescher
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...