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Class Information
Number: 208/210
Name: Mineral oils: processes and products > Refining > Sulfur removal (free or combined sulfur) > With hydrogen > Plural stage treatments with hydrogen
Description: Processes which include desulfurization of mineral oil in the presence of hydrogen in each of a plurality of steps or stages.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622034 |
Hydrocarbon conversion process |
Nov. 24, 2009 |
| 7591940 |
Combination hydrocracking process for the production of ultra low sulfur diesel |
Sep. 22, 2009 |
| 7575670 |
Process for the production of low sulfur diesel from an asphaltene-containings feedstock |
Aug. 18, 2009 |
| 7556728 |
Process for the manufacture of a gasoline blending component |
Jul. 7, 2009 |
| 7531082 |
High conversion hydroprocessing using multiple pressure and reaction zones |
May. 12, 2009 |
| 7507328 |
Selective hydrodesulfurization and mercaptan decomposition process with interstage separation |
Mar. 24, 2009 |
| 7476309 |
Two-stage heavy feed hpc process |
Jan. 13, 2009 |
| 7473350 |
Control methodology for desulfurization process |
Jan. 6, 2009 |
| 7435336 |
Process for carrying out gas-liquid countercurrent processing |
Oct. 14, 2008 |
| 7435335 |
Production of low sulfur distillates |
Oct. 14, 2008 |
| 7431823 |
Process for upgrading heavy oil using a highly active slurry catalyst composition |
Oct. 7, 2008 |
| 7431831 |
Integrated in-line pretreatment and heavy oil upgrading process |
Oct. 7, 2008 |
| 7431822 |
Process for upgrading heavy oil using a reactor with a novel reactor separation system |
Oct. 7, 2008 |
| 7419586 |
Two-stage hydrodesulfurization of cracked naphtha streams with light naphtha bypass or removal |
Sep. 2, 2008 |
| 7410566 |
Hydroprocessing of hydrocarbon feedstock |
Aug. 12, 2008 |
| 7384540 |
Two-step method for middle distillate hydrotreatment comprising two hydrogen recycling loops |
Jun. 10, 2008 |
| 7384537 |
Refined oil and process for producing the same |
Jun. 10, 2008 |
| 7361265 |
Process for the selective hydrodesulfurization of olefinic naphtha streams |
Apr. 22, 2008 |
| 7361266 |
Method of refining petroleum and refining apparatus |
Apr. 22, 2008 |
| 7351327 |
Process for the selective desulfurization of a mid range gasoline cut |
Apr. 1, 2008 |
| 7341657 |
Process for reducing sulfur and olefin contents in gasoline |
Mar. 11, 2008 |
| 7332071 |
Process for improving aromatic and naphtheno-aromatic gas oil fractions |
Feb. 19, 2008 |
| 7300567 |
Hydrotreating process |
Nov. 27, 2007 |
| 7297251 |
Multi-stage hydrodesulfurization of cracked naphtha streams with a stacked bed reactor |
Nov. 20, 2007 |
| 7291257 |
Two phase hydroprocessing |
Nov. 6, 2007 |
| 7276150 |
Method of desulfurizing gas oil fraction, desulfurized gas oil, and desulfurizer for gas oil fraction |
Oct. 2, 2007 |
| 7276151 |
Gas turbine fuel oil and production method thereof and power generation method |
Oct. 2, 2007 |
| 7261809 |
Process for ultra low sulfur gasoline |
Aug. 28, 2007 |
| 7250142 |
Device for mixing and distributing a dense fluid and a light fluid, placed upstream from a granular bed, and its use in descending flow |
Jul. 31, 2007 |
| 7250107 |
Flexible method for producing oil bases and distillates from feedstock containing heteroatoms |
Jul. 31, 2007 |
| 7247235 |
Hydrogenation of middle distillate using a counter-current reactor |
Jul. 24, 2007 |
| 7238273 |
Process for upgrading heavy oil using a highly active slurry catalyst composition |
Jul. 3, 2007 |
| 7229548 |
Process for upgrading naphtha |
Jun. 12, 2007 |
| 7182922 |
Device for mixing and distributing a gas phase and a liquid phase supplied to a granular bed |
Feb. 27, 2007 |
| 7166209 |
Hydroprocessing process |
Jan. 23, 2007 |
| 7141640 |
Process for producing dihydroxy compounds using upflow reactor system |
Nov. 28, 2006 |
| 7122114 |
Desulfurization of a naphtha gasoline stream derived from a fluid catalytic cracking unit |
Oct. 17, 2006 |
| 7108779 |
Hydrocarbon desulfurization process |
Sep. 19, 2006 |
| 7094332 |
Integrated process for the production of ultra low sulfur diesel and low sulfur fuel oil |
Aug. 22, 2006 |
| 7090766 |
Process for ultra low sulfur gasoline |
Aug. 15, 2006 |
| 7090767 |
Hydrodesulfurization of gasoline fractions |
Aug. 15, 2006 |
| 7074321 |
Combination hydrocracking process for the production of low sulfur motor fuels |
Jul. 11, 2006 |
| 7070690 |
Process for conversion of hydrocarbons on a catalyst with controlled acidity |
Jul. 4, 2006 |
| 7052598 |
Process for the production of gasoline with a low sulfur content comprising a hydrogenation, a fractionation, a stage for transformation of sulfur-containing compounds and a desulfurization |
May. 30, 2006 |
| 7033488 |
Method of removing and replacing catalyst in a multi-reactor cascade configuration |
Apr. 25, 2006 |
| 7001502 |
Process for treating crude oil using hydrogen in a special unit |
Feb. 21, 2006 |
| 7001503 |
Method and apparatus for stripping sulfur-containing compounds from hydrocarbon feed stock in hydrorefining of petroleum distillates |
Feb. 21, 2006 |
| 6984312 |
Process for the desulfurization of light FCC naphtha |
Jan. 10, 2006 |
| 6972086 |
Process comprising two gasoline hydrodesulfurization stages and intermediate elimination of H2S formed during the first stage |
Dec. 6, 2005 |
| 6930219 |
Mesoporous material with active metals |
Aug. 16, 2005 |
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