Societe Lyonnaise des Eaux et de l'Eclairage

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for dissolving ozone in a fluid
- Patent number 4,572,821
- Issue date Feb 25, 1986
- Societe Lyonnaise des Eaux et de l'Eclairage
- Eric Brodard
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Tangential filtration apparatus and plant comprising such apparatus
- Patent number 4,569,759
- Issue date Feb 11, 1986
- Societe Lyonnaise des Eaux et de l'Eclairage
- Roger Ben Aim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process of clarifying water
- Patent number 4,485,018
- Issue date Nov 27, 1984
- Societe Lyonnaise des Eaux et de l'Eclairage
- Francois Fiessinger
- C01 - INORGANIC CHEMISTRY