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Henri Roques
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Portet-sur-Garo, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Coalescer device and method using movable filling
Patent number
5,006,260
Issue date
Apr 9, 1991
Institut National des Sciences Appliquees de Toulouse
Henri Roques
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for production of granular material for water treatment
Patent number
4,915,884
Issue date
Apr 10, 1990
Institut National des Sciences Appliquees de Toulouse
Bernard Capdeville
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for treating a fuel comprising a mixture of hydrocarbons and...
Patent number
4,889,537
Issue date
Dec 26, 1989
ELF FRANCE Societe Anonyme
Yves Aurelle
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus for separating a phase dispersed by emulsion or by suspen...
Patent number
4,650,581
Issue date
Mar 17, 1987
Elf France, S.A.
Michel Angles
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and device for separation of emulsions by coalescence
Patent number
4,335,001
Issue date
Jun 15, 1982
Agence Nationale de Valorisation de la Recherche (ANVAR)
Yves Aurelle
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Scale-inhibiting compositions for aqueous solutions
Patent number
4,148,728
Issue date
Apr 10, 1979
Produits Chimiques Ugine Kuhlmann
Henri Roques
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for breaking foams and apparatus useful therefor
Patent number
3,965,034
Issue date
Jun 22, 1976
Produits Chimiques Ugine Kuhlmann
Henri Roques
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL