Patent assignee · FR · COMPANY

Total Raffinage Distribution S.A.

64Patents
0Active
64Granted
37Portfolio score

Filing activity: Aug 6, 1991 → May 18, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US7071150B2 Biodegradable lubricating composition and uses thereof, in particular in a bore fluid Emerging Cross-Sectional Technologies 45 Expired
US6679986B1 Catalytic support with an oxide base from a metal belonging to the SVI group of the periodic table, its preparation and its uses Emerging Cross-Sectional Technologies 34 Expired
US6158920A Roadway structure made from rigid materials Fixed Constructions 34 Expired
US6599864B1 Hydrocarbon base oil for lubricants with very high viscosity index Chemistry; Metallurgy 34 Expired
US5810252A Method and apparatus for atomizing a liquid, particularly a highly viscous liquid, with the aid of at least one auxiliary gas Mechanical Engineering; Lighting; Heating 34 Expired
US6217749A Process for hydrotreating a hydrocarbon feedstock and apparatus for carrying out same Chemistry; Metallurgy 32 Expired
US5704522A Device for limiting liquid loss, suitable for a pressurized liquid dispenser Mechanical Engineering; Lighting; Heating 28 Expired
US6225517A Alkylation catalyst, method for preparing same, and use thereof in alkylation methods Chemistry; Metallurgy 27 Expired
US6638419B1 Method for obtaining oil products with low sulphur content by desulfurization of extracts Chemistry; Metallurgy 26 Expired
US5414029A Aqueous bitumen-polymer emulsions, their method of preparation and their use Chemistry; Metallurgy 24 Expired
US5428085A Bitumen-polymer compositions, their method of preparation and their uses Chemistry; Metallurgy 23 Expired
US5758699A Process and apparatus for the uniform distribution of a comminuted solid in an enclosure Performing Operations; Transporting 18 Expired
US5906229A Method and device for the uniform filling of particles of a solid catalyst into a tubular reactor Performing Operations; Transporting 18 Expired
US5538625A Process and apparatus for the steam cracking of hydrocarbons in the fluidized phase Chemistry; Metallurgy 17 Expired
US6448198B1 Acid catalyst with a sulfated zirconia base and its uses Performing Operations; Transporting 16 Expired
US5716585A Process and apparatus for stripping fluidized solids and use thereof in a fluid cracking process Performing Operations; Transporting 15 Expired
US5782579A Pipe system for supplying liquid fuel to an underground tank and for transfer of such fuel to a dispensing station Mechanical Engineering; Lighting; Heating 13 Expired
US6416657B1 Method for the isomerization of gasoline with a high benzene content Chemistry; Metallurgy 12 Expired
US6155101A Method and device for preparing a fuel, particularly for diesel engines, by on-line mixture of its components Emerging Cross-Sectional Technologies 11 Expired
US5338438A Process and apparatus for the homogenization of the mixture of solid particles and hydrocarbon vapors being treated in a fluidized bed within a tubular reactor for the cracking of hydrocarbons Chemistry; Metallurgy 11 Expired
US6511635B2 Fluid state catalytic cracking reactor having solid fastened packing element for homogeneously distributing particle flow Performing Operations; Transporting 10 Expired
US5954941A Jet engine fuel and process for making same Chemistry; Metallurgy 10 Expired
US6638059B1 Burner-type apparatus and fuel combustion method Mechanical Engineering; Lighting; Heating 10 Expired
US6194345A Process for activating halogenated catalysts, catalysts obtained by this process, and use of these catalysts in acid catalyst processes Performing Operations; Transporting 8 Expired
US5759250A Use of a very hard asphalt binder in the preparation of a road asphalt intended in particular for road bed foundations Chemistry; Metallurgy 8 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.