Compagnie de Raffinage et de Distribution Total France
28Patents
0Active
28Granted
32Portfolio score
Filing activity: Feb 7, 1986 → May 6, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4810367A | Process for deasphalting a heavy hydrocarbon feedstock | Chemistry; Metallurgy | 45 | Expired |
| US4965232A | Process for fluidized-bed catalyst regeneration | Performing Operations; Transporting | 39 | Expired |
| US5154857A | Demulsifying and antifouling agent suitable for separating possibly emulsified water/hydrocarbon mixtures | Chemistry; Metallurgy | 29 | Expired |
| US5037616A | Device for injection of a hydrocarbon feedstock into a catalytic cracking reactor | Performing Operations; Transporting | 20 | Expired |
| US5506365A | Process and apparatus for fluidized-bed hydrocarbon conversion | Chemistry; Metallurgy | 19 | Expired |
| US4806850A | Method and apparatus for analyzing the corrosive effect of the soil and its environment on a buried metallic structure and their application to the locating of said effect | Physics | 18 | Expired |
| US4818372A | Process and apparatus for the catalytic cracking of hydrocarbon feedstocks with reaction-temperature control | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4808643A | EPDM and/or EPR rubber/silicone compositions | Chemistry; Metallurgy | 14 | Expired |
| US5017294A | Apparatus for the separation of two immiscible liquids and use of said apparatus in the desalting of a hydrocarbon feedstock | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4883583A | Process for the catalytic cracking of hydrocarbons in a fluidized bed and their applications | Performing Operations; Transporting | 13 | Expired |
| US4781245A | Device for positioning a rotatable element within a tube | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5264115A | Process and apparatus for fluidized bed hydrocarbon conversion | Chemistry; Metallurgy | 11 | Expired |
| US4760538A | Method and apparatus for determination of the thawing point of jet fuels | Physics | 11 | Expired |
| US5348644A | Process and apparatus for contacting a hydrocarbon feedstock with hot solid particles in a tubular reactor with a rising fluidized bed | Performing Operations; Transporting | 10 | Expired |
| US4832825A | Method for the injection of catalyst in a fluid catalytic cracking process, especially for heavy feedstocks | Performing Operations; Transporting | 10 | Expired |
| US4875993A | Process and apparatus for the catalytic cracking of hydrocarbon charges | Chemistry; Metallurgy | 9 | Expired |
| US4854180A | System for the sampling in an enclosure of solid particles in a fluidized bed | Performing Operations; Transporting | 8 | Expired |
| US5074989A | Process for the separation of fine catalyst particles for a hydrocarbon feedstock by filtration through mineral barries and a filtration loop | Performing Operations; Transporting | 6 | Expired |
| US5013368A | Method and device for cleaning a tube in which a fluid-circulates, and their use in heat-exchanger tubes | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4956322A | Improvements to solid granular catalysts, process for their preparation | Performing Operations; Transporting | 5 | Expired |
| US4882035A | Process for improving the deshafting of a heavy hydrocarbon feedstock | Chemistry; Metallurgy | 5 | Expired |
| US5069777A | Procedure for the fixed-bed sweetening of petroleum fractions | Chemistry; Metallurgy | 5 | Expired |
| US4794097A | Catalytic composite product for the oxidation of mercaptans and its use for the sweetening of petroleum fractions | Performing Operations; Transporting | 5 | Expired |
| US5026474A | Process for the fixed-bed sweetening of petroleum fractions | Performing Operations; Transporting | 5 | Expired |
| US4848446A | Device for maintaining in position one end of an element mounted for rotational motion in a tube, and use thereof | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.