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Levallois Perret, FR
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Patents Grants
last 30 patents
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Patent Grant
Method of rapidly abandoning large cavities washed-out in rock salt
Patent number
5,004,298
Issue date
Apr 2, 1991
Geostock S.A.R.L.
Alain Boulanger
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method of confining wastes underground in a cavity leached out of salt
Patent number
4,919,822
Issue date
Apr 24, 1990
Geostock S.A.R.L. and ESYS S.A.
Alain Boulanger
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method of maintaining constant the composition of a product stored...
Patent number
4,689,064
Issue date
Aug 25, 1987
Societe Francaise de Stockage Geologigue Geostock-Tour Aurore
Alain Boulanger
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and installation for storing liquid gas at low temperature i...
Patent number
4,671,700
Issue date
Jun 9, 1987
Societe Francaise de Stockage Geologique
Alain Boulanger
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Process and device for blocking a well opening out in the ceiling o...
Patent number
4,580,924
Issue date
Apr 8, 1986
Societe Francaise de Stockage Geostock
Alain Boulanger
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of storing liquefied gases at low temperature in a subterran...
Patent number
4,140,423
Issue date
Feb 20, 1979
Societe Francaise de Stockage Geologique "Geostock"
Alain Boulanger
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL