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Class Information
Number: 208/226
Name: Mineral oils: processes and products > Refining > Sulfur removal (free or combined sulfur) > With alkali or alkali earth metal compound (except clays)
Description: Processes wherein mineral oil is desulfurized by the use of an alkali or alkaline earth metal compound.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7572365 |
Modified thermal processing of heavy hydrocarbon feedstocks |
Aug. 11, 2009 |
| 7572362 |
Modified thermal processing of heavy hydrocarbon feedstocks |
Aug. 11, 2009 |
| 7435337 |
Use of caesium-exchanged faujasite type zeolites for intense desulphurization of a gasoline cut |
Oct. 14, 2008 |
| 7374666 |
Oxidative desulfurization of sulfur-containing hydrocarbons |
May. 20, 2008 |
| 7326333 |
Apparatus and process for extracting sulfur compounds from a hydrocarbon stream |
Feb. 5, 2008 |
| 7268097 |
Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agent |
Sep. 11, 2007 |
| 7207445 |
Device and method for non-dispersive contacting of liquid--liquid reactive system |
Apr. 24, 2007 |
| 7179368 |
Method for desulfurizing thiophene derivatives contained in fuels |
Feb. 20, 2007 |
| 7029573 |
Composition and control method for treating hydrocarbon |
Apr. 18, 2006 |
| 7014751 |
Continuous liquid hydrocarbon treatment method |
Mar. 21, 2006 |
| 6960291 |
Naphtha desulfurization method |
Nov. 1, 2005 |
| 6955753 |
Treatment of crude oils |
Oct. 18, 2005 |
| 6840429 |
Method of and composition for treating a non-metallic refractory material for brazing |
Jan. 11, 2005 |
| 6756022 |
Apparatus for removing sulfur-containing component in fuel |
Jun. 29, 2004 |
| 6749741 |
Apparatus and process for prewashing a hydrocarbon stream containing hydrogen sulfide |
Jun. 15, 2004 |
| 6723230 |
Regeneration of iron-based hydrogen sulfide sorbents |
Apr. 20, 2004 |
| 6623627 |
Production of low sulfur gasoline |
Sep. 23, 2003 |
| 6569390 |
Liquid-liquid extraction trays |
May. 27, 2003 |
| 6547959 |
Method for treating hazardous and corrosion-inducing sulfur compounds |
Apr. 15, 2003 |
| 6495029 |
Countercurrent desulfurization process for refractory organosulfur heterocycles |
Dec. 17, 2002 |
| 6488840 |
Mercaptan removal from petroleum streams (Law950) |
Dec. 3, 2002 |
| 6428685 |
Desulfurization and novel sorbents for same |
Aug. 6, 2002 |
| 6325921 |
Method for catalytic removal of metal compounds from heavy oils |
Dec. 4, 2001 |
| 6306288 |
Process for removing sulfur compounds from hydrocarbon streams |
Oct. 23, 2001 |
| 6245221 |
Desulfurization process for refractory organosulfur heterocycles |
Jun. 12, 2001 |
| 6231755 |
Desulfurization of petroleum products |
May. 15, 2001 |
| 6224750 |
Producing low sulfur hydrocarbons with biologically regenerated caustic |
May. 1, 2001 |
| 6221240 |
Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics |
Apr. 24, 2001 |
| 6129833 |
Catalytic cracking with reduced emission of sulfur oxides |
Oct. 10, 2000 |
| 6103106 |
Desulfurization and ring opening of petroleum streams |
Aug. 15, 2000 |
| 5997731 |
Process for treating an effluent alkaline stream having sulfur-containing and phenolic compounds |
Dec. 7, 1999 |
| 5985137 |
Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts |
Nov. 16, 1999 |
| 5961819 |
Treatment of sour hydrocarbon distillate with continuous recausticization |
Oct. 5, 1999 |
| 5961820 |
Desulfurization process utilizing an oxidizing agent, carbonyl compound, and hydroxide |
Oct. 5, 1999 |
| 5958365 |
Method of producing hydrogen from heavy crude oil using solvent deasphalting and partial oxidation methods |
Sep. 28, 1999 |
| 5954949 |
Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide |
Sep. 21, 1999 |
| 5935421 |
Continuous in-situ combination process for upgrading heavy oil |
Aug. 10, 1999 |
| 5935420 |
Desulfurization process for refractory organosulfur heterocycles |
Aug. 10, 1999 |
| 5928498 |
Desulfurization and ring opening of petroleum streams |
Jul. 27, 1999 |
| 5925239 |
Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics |
Jul. 20, 1999 |
| 5904839 |
Process for upgrading heavy oil using lime |
May. 18, 1999 |
| 5871637 |
Process for upgrading heavy oil using alkaline earth metal hydroxide |
Feb. 16, 1999 |
| 5865989 |
Process for sweetening liquid hydrocarbons |
Feb. 2, 1999 |
| 5858212 |
Desulfurization and hydrocarbon quality enhancement process |
Jan. 12, 1999 |
| 5851382 |
Selective hydrodesulfurization of cracked naphtha using hydrotalcite-supported catalysts |
Dec. 22, 1998 |
| 5820766 |
Reduction of sulfide in fluids |
Oct. 13, 1998 |
| 5639934 |
Process for the desulfurization of sulfur-containing compositions by hydrothermal reaction |
Jun. 17, 1997 |
| 5601700 |
Scavenging of hydrogen sulphide |
Feb. 11, 1997 |
| 5389240 |
Naphthenic acid removal as an adjunct to liquid hydrocarbon sweetening |
Feb. 14, 1995 |
| 5364524 |
Process for treating heavy oil |
Nov. 15, 1994 |
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