| Patents for C10G 67 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only (3,717) |
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| 08/10/1999 | US5935421 Continuous in-situ combination process for upgrading heavy oil |
| 08/10/1999 | US5935417 Hydroconversion process for making lubricating oil basestocks |
| 08/10/1999 | US5935416 Preparing lubricating oil basestocks having a high saturates content, high viscosity indices and low volatilities by hydroconversion, followed by a cold hydrofinishing step, catalytic dewaxing and solvent dewaxing |
| 08/05/1999 | WO1999038936A1 Decreasing bi-reactive contaminants in aromatic streams |
| 08/04/1999 | EP0675938B1 Lubricant production by hydroisomerization of solvent extracted feedstocks |
| 08/03/1999 | US5932777 Hydrocarbon conversion |
| 08/03/1999 | US5932090 Hydrotreatment of slurry containing petroleum feedstock and a hydrogenation catalyst under hydrogen or hydrogen sulfide atmosphere, distillation of light ends, deasphalting high-boiling fraction, recovering/recycling catalyst slurry |
| 07/27/1999 | US5928497 Heteroatom removal through countercurrent sorption |
| 07/20/1999 | US5925234 Process for the production of an internal combustion engine fuel base by hydrotreatment and extraction, and the product therefrom |
| 07/06/1999 | CA2107376C Process for producing low viscosity lubricating base oil having high viscosity index |
| 07/01/1999 | WO1999032577A1 Clay treatment process for white mineral oil |
| 07/01/1999 | CA2315627A1 Clay treatment process for white mineral oil |
| 06/30/1999 | EP0926219A1 Method of producing a process oil |
| 06/30/1999 | EP0926218A2 Production process of low pour-point oil. |
| 06/15/1999 | US5911874 Upgrading feedstock to give lubricating oil and wax |
| 06/10/1999 | CA2252058A1 Process oil with improved solvency and manufacturing process for such |
| 06/09/1999 | EP0921184A1 Production of lubricant base oils |
| 06/02/1999 | CN1218092A Method for production of fundamental oil of lubricant oil from fractional oil |
| 05/19/1999 | CN1217015A Selective hydrogenation of dienes in reformate flows |
| 05/12/1999 | EP0618959B1 Process to re-refine used oils |
| 04/21/1999 | CN1043051C Process for producing hydrowax |
| 04/20/1999 | US5895506 Use of infrared spectroscopy to produce high lubricity, high stability, Fischer-Tropsch diesel fuels and blend stocks |
| 04/14/1999 | EP0907697A1 Raffinate hydroconversion process |
| 04/14/1999 | EP0842241A4 Improved process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
| 04/07/1999 | CN1212993A Petroleum processing method and apparatus |
| 03/31/1999 | EP0664827B1 Gasoline upgrading process |
| 03/23/1999 | US5885438 Dewaxing feedstock using boron-free, large pore zeolite catalyst having low acidity and possessing at least one noble metal hydrogenation component to form high viscosity index lubricant |
| 03/17/1999 | EP0902078A2 Petroleum processing method and apparatus |
| 03/03/1999 | EP0899321A2 Process oil production |
| 03/03/1999 | EP0898508A1 Oxygen scavenging compositions with low migration |
| 02/04/1999 | WO1999005081A1 Hydrocarbon conversion process |
| 02/03/1999 | CN1207118A Biodegradable high performance hydrocarbon base oils |
| 01/28/1999 | WO1999003578A1 Nickel molybdotungstate hydrotreating catalysts |
| 01/20/1999 | EP0892032A2 Improved process oils and manufacturing process for such using aromatic enrichment and two stage hydrofining |
| 01/06/1999 | CN1204279A Oxygen scavenging composition with low migration |
| 12/30/1998 | EP0796304A4 Production of high viscosity index lubricants |
| 12/30/1998 | EP0777710B1 Process for selective hydrogenation of cracked hydrocarbons |
| 12/29/1998 | US5854170 Method for preparing a modified solid oxide |
| 12/29/1998 | US5853569 Method for manufacturing a process oil with improved solvency |
| 12/23/1998 | EP0885273A1 Process for the selective hydrogenation of dienes in reformate flows |
| 12/08/1998 | US5846405 Process oils and manufacturing process for such using aromatic enrichment and two pass hydrofinishing |
| 12/02/1998 | CN1040995C Process to refine used oil |
| 11/24/1998 | US5840175 Adding aromatic extract oil to naphthenic rich feed, extracting with aromatic extraction solvent to obtain raffinate, hydrotreating raffinate |
| 11/11/1998 | EP0876446A1 Biodegradable high performance hydrocarbon base oils |
| 11/10/1998 | US5833837 Separation and upgrading to increase viscosity, then catalytic cracking of heavy fraction and catalytic isomerization of light fraction yield improved lubricating oils, pour points, cloud points |
| 10/21/1998 | EP0871687A1 Process for upgrading the flash zone gas oil stream from a delayed coker |
| 09/24/1998 | WO1998041597A1 Process for purifying material flows |
| 09/17/1998 | DE19710762A1 Verfahren zur Reinigung von Stoffströmen A process for the purification of gas streams |
| 07/15/1998 | CN1187525A Multi-step converting catalyzing process for heavy hydrocarbon fraction |
| 07/15/1998 | CN1187524A Multi-step process for converting petroleum residue |
| 07/15/1998 | CN1187523A Heavy hydrocarbon fraction converting process relating to hydrogenation demetalization in catalyst bubbling bed |
| 07/14/1998 | US5780382 Method for preparing a modified solid oxide |
| 07/07/1998 | CA2055779C Two step process for sweetening a sour hydrocarbon fraction |
| 06/25/1998 | WO1998027180A1 Raffinate hydroconversion process |
| 06/24/1998 | EP0849351A2 Hydroconversion process and production of lubricating oil basestocks |
| 06/23/1998 | US5770047 Process for producing reformulated gasoline by reducing sulfur, nitrogen and olefin |
| 06/17/1998 | CN1185172A Process for upgrading the flashing zone gas oil stream from a delayed coker |
| 06/10/1998 | CN1184144A Integrated lubricant upgrading process |
| 05/26/1998 | CA2064338C Multi-stage process for deasphalting resid, removing catalyst fines from decanted oil and apparatus therefor |
| 05/20/1998 | EP0842241A1 Improved process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
| 05/20/1998 | EP0781314A4 Gasoline upgrading process |
| 05/05/1998 | US5746907 Hydrodemetallization of residual oils with catalysts with electric fields |
| 04/16/1998 | WO1998007805A3 Heteroatom removal through countercurrent sorption |
| 04/08/1998 | EP0833878A1 Method for preparing lubricating oils |
| 04/01/1998 | EP0832958A1 Process and apparatus for the production of low sulphur catalytically cracked gasolines |
| 03/25/1998 | EP0831140A1 Process and apparatus for the purification of catalytically cracked gasolines |
| 03/25/1998 | EP0759963B1 Process for upgrading residual hydrocarbon oils |
| 03/24/1998 | US5730858 Process for converting wax-containing hydrocarbon feedstocks into high-grade middle distillate products |
| 02/26/1998 | WO1998007805A2 Heteroatom removal through countercurrent sorption |
| 02/26/1998 | CA2264021A1 Heteroatom removal through countercurrent sorption |
| 02/25/1998 | CN1174225A Ttansformer oil and its preparation |
| 02/17/1998 | US5719097 Catalyst comprising a modified solid oxide |
| 02/17/1998 | US5718820 Petroleum fuel base |
| 01/21/1998 | CN1037111C N-c5/c6 alkane isomerization process having the cycle of n-alkane and methyl pantane |
| 01/08/1998 | WO1998000479A1 Raffinate hydroconversion process |
| 12/18/1997 | DE19724683A1 Verfahren zum Veredeln eines Stickstoff und Schwefel enthaltenden Naphta-Ausgangsstoffes Process for finishing a nitrogen and sulfur-containing naphtha feedstock |
| 12/17/1997 | CN1167812A Dewaxing with nickel-silicalite catalyst |
| 12/17/1997 | CN1167811A Process for producing lubricating base oils |
| 12/16/1997 | US5699270 Method for preparing lubrication oils (LAW232) |
| 12/02/1997 | CA1339564C Process for steam reforming of hydrocarbons |
| 10/22/1997 | CN1162622A Process for converting wax-containing hydrocarbon feedstocks into high-grade middle distillate products |
| 10/15/1997 | EP0801127A2 Process for eliminating mercury form liquid hydrocarbons |
| 10/08/1997 | EP0799882A1 Process for converting wax-containing hydrocarbon feedstocks into high-grade middle distillate products |
| 10/08/1997 | EP0799082A1 Wax hydroisomerization process |
| 09/24/1997 | EP0796304A2 Production of high viscosity index lubricants |
| 09/18/1997 | DE19608241A1 Verfahren zur selektiven Hydrierung von Dienen A process for the selective hydrogenation of dienes |
| 09/12/1997 | WO1997032944A1 Process for the selective hydrogenation of dienes in reformate flows |
| 09/03/1997 | EP0792928A2 Process for the recovery of pure aromatics from reforming gasoline and apparatus for carrying out this process |
| 09/02/1997 | US5663466 Hydrogenation, isomerization |
| 08/03/1997 | CA2196585A1 Procedure for generating pure aromatics from reformed gasoline and device for implementing the procedure |
| 07/30/1997 | EP0629230B1 Lubricant production process |
| 07/30/1997 | EP0616634B1 Method for removing sulfur to ultra low levels for protection of reforming catalysts |
| 07/17/1997 | WO1997025390A1 Process for upgrading the flash zone gas oil stream from a delayed coker |
| 07/08/1997 | US5645711 Filtration to remove solids followed by fixed bed catalytic hydrotreatment and fluidized bed catalytic cracking |
| 07/02/1997 | EP0781314A1 Gasoline upgrading process |
| 07/01/1997 | US5643442 Removing heteroaromatic compounds from gasoline, kerosene, diesel fuel, jet fuel |
| 07/01/1997 | US5643440 Production of high viscosity index lubricants |
| 06/26/1997 | WO1997022469A1 Oxygen scavenging compositions with low migration |
| 06/19/1997 | WO1997021788A1 Biodegradable high performance hydrocarbon base oils |
| 06/11/1997 | EP0777710A1 Process for selective hydrogenation of cracked hydrocarbons |