| Patents for C10G 65 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only (5,849) |
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| 07/20/1999 | US5925238 Recycling regenerated catalyst withdrawn from second zone back into first zone and supplying a replacing amount of fresh catalyst to second zone |
| 07/20/1999 | US5925235 Catalysis using a first layer zeolite type y having a larger pore size and second layer zeolite type y of smaller pore size with improved catalyst life and product selectivity within high temperature reactors |
| 07/14/1999 | EP0928325A1 Hydrotreating process |
| 07/14/1999 | EP0854901A4 Gasoline desulfurization process |
| 07/08/1999 | WO1999033937A1 Method of isomerizing light hydrocarbon oil |
| 07/08/1999 | CA2316987A1 Process for isomerizing light hydrocarbon oil |
| 07/07/1999 | CN1222182A Process for prepn. of lubricating base oils |
| 07/06/1999 | CA2107376C Process for producing low viscosity lubricating base oil having high viscosity index |
| 07/01/1999 | WO1999032582A1 Middle distillate selective hydrocracking process |
| 07/01/1999 | WO1999032581A1 Raffinate dewaxing process |
| 06/30/1999 | EP0926218A2 Production process of low pour-point oil. |
| 06/17/1999 | WO1999029809A1 An improved process scheme for processing sour feed in midw |
| 06/16/1999 | CN1219570A Treatment method for inferior heavy and residual oil |
| 06/15/1999 | US5911874 Upgrading feedstock to give lubricating oil and wax |
| 06/02/1999 | CN1218093A Method for producing vaseline |
| 06/02/1999 | CN1218092A Method for production of fundamental oil of lubricant oil from fractional oil |
| 05/25/1999 | US5906730 By-product inhibition, efficiency |
| 05/25/1999 | US5906729 Countercurrent flow in the fixed bed of the isomerization dewaxing reactor with recycle gas being the gas flow in the dewaxing bed for simultaneous hydrodesulfurization and dewaxing |
| 05/25/1999 | US5906728 Process for increased olefin yields from heavy feedstocks |
| 05/25/1999 | CA2109228C High porosity, high surface area isomerization catalyst and its use |
| 05/18/1999 | US5904838 Process for the simultaneous conversion of waste lubricating oil and pyrolysis oil derived from organic waste to produce a synthetic crude oil |
| 05/18/1999 | US5904835 Dual feed reactor hydrocracking process |
| 05/18/1999 | US5904834 Synthetic wax for food applications |
| 05/14/1999 | WO1999022577A2 Low pressure naphtha hydrocracking process |
| 05/06/1999 | EP0912660A1 Layered catalyst system for lube oil hydroconversion |
| 05/06/1999 | EP0912659A1 Base stock lube oil manufacturing process |
| 05/06/1999 | EP0912243A1 Sulfur resistant hydroconversion catalyst and hydroprocessing of sulfur-containing lube feedstock |
| 04/21/1999 | EP0909304A1 Process for the preparation of lubricating base oils |
| 04/15/1999 | WO1998059019A9 Two phase hydroprocessing |
| 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 |
| 04/14/1999 | CN1042948C Process for producing heavy lubricating oil having low pour point |
| 04/13/1999 | US5894076 Treating light naptha to remove unsaturated materials then alkylating benzene to produce ethylbenzene or cumene |
| 04/07/1999 | CN1212993A Petroleum processing method and apparatus |
| 03/31/1999 | EP0664827B1 Gasoline upgrading process |
| 03/30/1999 | US5888379 Lower sulfur, dry sludge content, by hydrotreating oil distillation residue having relatively high sulfur content in two stages, wherein the second stage hydrotreatment is done at a lower temperature than the first stage treatment |
| 03/30/1999 | US5888376 Conversion of fischer-tropsch light oil to jet fuel by countercurrent processing |
| 03/23/1999 | US5885440 Hydrocracking process with integrated effluent hydrotreating zone |
| 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 |
| 03/17/1999 | CN1210882A Refining method for vaseline hydrogenation |
| 03/16/1999 | US5882505 Conversion of fisher-tropsch waxes to lubricants by countercurrent processing |
| 03/09/1999 | US5879537 Hydrocarbon conversion process using staggered bypassing of reaction zones |
| 03/04/1999 | WO1999010450A1 Process for conversion of lignin to reformulated hydrocarbon gasoline |
| 03/04/1999 | WO1999010098A1 SUPPORTED Ni-Cu HYDROCONVERSION CATALYST |
| 02/25/1999 | WO1999008961A1 Zeolite cit-5 |
| 02/17/1999 | EP0699225B1 Method for producing feedstocks of high quality lube base oil from unconverted oil of fuels hydrocracker operating in recycle mode |
| 02/16/1999 | US5871638 Dispersed anion-modified phosphorus-promoted iron oxide catalysts |
| 02/09/1999 | US5868921 Single stage, stacked bed hydrotreating process utilizing a noble metal catalyst in the upstream bed |
| 02/03/1999 | CN1207118A Biodegradable high performance hydrocarbon base oils |
| 02/02/1999 | US5866501 Aqueous precipitation from a saturated solution of ferric alum or ferric sulfate |
| 02/02/1999 | US5865988 Using zeolite catalyst |
| 02/02/1999 | US5865987 Hydrodesulfurization |
| 02/02/1999 | US5865985 Catalytic hydrogenation |
| 01/28/1999 | WO1999003578A1 Nickel molybdotungstate hydrotreating catalysts |
| 01/27/1999 | EP0793701B1 Multi-step hydrodesulfurization process |
| 01/20/1999 | EP0892032A2 Improved process oils and manufacturing process for such using aromatic enrichment and two stage hydrofining |
| 01/07/1999 | WO1999000182A1 Countercurrent reactor |
| 01/07/1999 | WO1999000181A1 Countercurrent reactor |
| 01/05/1999 | US5855767 Hydrorefining process for production of base oils |
| 01/05/1999 | CA2104295C Production of diesel fuel by hydrogenation of a diesel feed |
| 01/05/1999 | CA1340305C Catalytic composition containing a metallic sulfide suspended in an asphaltene-containing liquide and hydroviscoreduction process for a hydrocarbon load |
| 12/30/1998 | WO1998059019A1 Two phase hydroprocessing |
| 12/30/1998 | EP0796304A4 Production of high viscosity index lubricants |
| 12/22/1998 | US5851381 Method of refining crude oil |
| 12/16/1998 | EP0883664A1 Integrated hydroprocessing scheme with segregated recycle |
| 12/08/1998 | US5846405 Process oils and manufacturing process for such using aromatic enrichment and two pass hydrofinishing |
| 12/02/1998 | EP0782607A4 Distillate upgrading process |
| 11/26/1998 | WO1998053030A1 Hydrocarbon upgrading process |
| 11/26/1998 | WO1998053029A1 Benzene conversion in an improved gasoline upgrading process |
| 11/25/1998 | EP0626991B1 Hydrocarbon conversion processes |
| 11/19/1998 | WO1998051648A1 Process for the alkylation of benzene |
| 11/17/1998 | US5837130 Catalytic hydrotreatment of crude petroleum for vacuum gas oils, catalytic hydrodesulfurization of vacuum gas oils |
| 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 |
| 11/04/1998 | EP0775184A4 Lubricating oil production with vi-selective catalyst |
| 10/14/1998 | EP0870817A1 Process for effecting deep HDS of hydrocarbon feedstocks |
| 09/29/1998 | CA2087029C Use of modified 5-7 a pore molecular sieves for isomerization of hydrocarbons |
| 09/23/1998 | CN1193991A Gasoline desulfurization process |
| 09/17/1998 | WO1998040162A1 Process for making double metal cyanide catalysts |
| 09/16/1998 | EP0863963A1 Integrated lubricant upgrading process |
| 09/15/1998 | US5807477 Sulfiding and hydrogenating diolefins |
| 09/09/1998 | EP0759964B1 Stacked bed catalyst system for deep hydrosulfurization |
| 08/05/1998 | EP0782608A4 Wax hydroisomerization process |
| 08/05/1998 | CN1189526A Process for transforming gas oil cut to produce dearomatised and desulphurised fuel with high cetane number |
| 07/29/1998 | EP0854901A1 Gasoline desulfurization process |
| 07/28/1998 | CA2017658C Multizone catalytic reforming process with a plurality of catalysts |
| 07/22/1998 | CN1188503A Process for reverse staging in hydroprocessing reactor systems |
| 07/21/1998 | US5783513 Polymerization catalyst |
| 07/15/1998 | EP0759809B1 Process and catalyst for aromatics hydrogenation |
| 07/14/1998 | US5779992 Process for hydrotreating heavy oil and hydrotreating apparatus |
| 07/09/1998 | WO1998029520A1 Multi-stage hydroprocessing with multi-stage stripping in a single stripper vessel |
| 07/09/1998 | WO1998029343A1 Multi-stage hydroprocessing in a single reaction vessel |
| 07/09/1998 | WO1998029338A1 Zeolite ssz-45 |
| 07/09/1998 | WO1998029336A1 Zeolite ssz-48 |
| 07/08/1998 | EP0851907A1 Process for reverse staging in hydroprocessing reactor systems |
| 06/25/1998 | WO1998027180A1 Raffinate hydroconversion process |
| 06/24/1998 | EP0849351A2 Hydroconversion process and production of lubricating oil basestocks |
| 06/24/1998 | EP0849350A1 Process for the transformation of gas-oils in order to produce dearomised and desulphurised high cetane carburants |
| 06/23/1998 | US5770781 Method for eliminating carbon oxides in feeds to a C5 and C6 paraffin isomerization process |