Patents for C10G 65 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only (5,849) |
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12/28/1999 | US6007704 Process for the production of catalytic cracking gasoline with a low sulphur content |
12/23/1999 | WO1999065825A1 Two stage hydrodesulfurization process |
12/23/1999 | CA2334883A1 Two stage hydrodesulfurization process |
12/16/1999 | WO1999064542A1 Process to produce distillates |
12/14/1999 | US6002058 Feeding light reformate and hydrogen into hydrogenation zone containing catalytic distillation structure; feeding treated reformate and olefin to aromatic alkylation zone containing acidic molecular sieve or cationic exchange resin; separation |
12/08/1999 | EP0724616B1 Process for producing low-aromatics distillates |
12/07/1999 | US5997727 Dewaxing with nickel-silicalite catalyst |
12/02/1999 | WO1999061557A1 Hydrotreating process for residual oil |
11/30/1999 | US5994607 Paraffin isomerization process comprising fractionation having at least two draw-off levels associated with at least two isomerization zones |
11/30/1999 | US5993644 Base stock lube oil manufacturing process |
11/24/1999 | EP0958245A1 Multi-stage hydroprocessing in a single reaction vessel |
11/24/1999 | CN1046755C Process for hydrogen cracking and hydrogen dewaxing of hydrocarbon raw material containing wax |
11/23/1999 | US5989411 Catalytically reacting petroleum feedstock with hydrogen in a first cocurrent, upflow hydroprocessing stage to form partially purified liquid/vapor effluent, contacting with hydrocarbon liquid, further hydrotreatment in second stage |
11/18/1999 | WO1999047626A9 Integrated hydroconversion process with reverse hydrogen flow |
11/17/1999 | EP0956326A1 Process and catalysts for the production of motor fuels from shale oils |
11/17/1999 | EP0956264A1 Zeolite ssz-48 |
11/17/1999 | EP0883664A4 Integrated hydroprocessing scheme with segregated recycle |
11/17/1999 | CN1046544C Production of lubricant oil with VI selective catalyst |
11/17/1999 | CN1046543C Method hydrotreating hydrocarbon oil |
11/16/1999 | US5985136 Two stage hydrodesulfurization process |
11/16/1999 | US5985135 Staged upflow and downflow hydroprocessing with noncatalytic removal of upflow stage vapor impurities |
11/16/1999 | US5985132 Process for the simultaneous production of lubricating oil base stocks and motor fuel |
11/16/1999 | US5985131 Hydroprocessing in a countercurrent reaction vessel |
11/11/1999 | WO1999057231A1 Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage |
11/11/1999 | WO1999057229A1 Liquid and vapor stage hydroprocessing using once-through hydrogen |
11/11/1999 | WO1999057228A1 Multi-stage hydroprocessing of middle distillates to avoid color bodies |
11/11/1999 | WO1999057227A1 Three stage cocurrent liquid and vapor hydroprocessing |
11/11/1999 | WO1999057224A1 Three stage hydroprocessing including a vapor stage |
11/11/1999 | CA2330334A1 Liquid and vapor stage hydroprocessing using once-through hydrogen |
11/10/1999 | EP0954557A1 Multi-stage hydroprocessing with multi-stage stripping in a single stripper vessel |
11/10/1999 | EP0863963A4 Integrated lubricant upgrading process |
11/10/1999 | CN1046309C Process for producing lube base oils of high viscosity index and diesel oil of high octane number |
11/09/1999 | US5980732 Desulfurizing petroleum residue by hydrotreating heavy petroleum fractin feed stream; separating hydrogen and hydrocarbons from hydrogenated residue stream; hydrotreating distillate stream and recovering hydrotreated product |
11/09/1999 | US5980729 Hydrocracking process |
11/09/1999 | CA2127010C Distillate fuel production from fischer-tropsch wax |
11/03/1999 | EP0953626A1 Process for the preparation of a benzene-lean high octane hydrocarbon mixture |
11/02/1999 | US5977425 Method for upgrading waxy feeds using a catalyst comprising mixed powdered dewaxing catalyst and powdered isomerization catalyst formed into a discrete particle |
11/02/1999 | US5976354 Integrated lube oil hydrorefining process |
11/02/1999 | US5976353 Subjecting the raffinate from a solvent extraction step to a two step, single stage hydroconversion process wherein the first step involves severe hydroconversion of the raffinate followed by a cold hydrofinishing step. |
11/02/1999 | US5976351 Wax hydroisomerization process employing a boron-free catalyst |
10/27/1999 | EP0951524A1 Hydrocarbon conversion process |
10/27/1999 | CN1045950C Process for selective hydrogenation |
10/21/1999 | WO1999052993A1 Method for improving a gas oil fraction cetane index |
10/20/1999 | EP0950019A1 Zeolite ssz-45 |
10/19/1999 | US5968347 Multi-step hydrodesulfurization process |
10/19/1999 | US5968346 Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal |
10/19/1999 | US5968344 Conversion with high selectivity using bifunctional catalyst comprising hydrodehydrogenating group viii metal on an acidic silica-alumina gel which provides isomerization activity |
10/13/1999 | EP0949318A2 Process for determining the nitrogen content of the effluent of the pretreatment reactor in a catalytic hydrocracking plant |
10/13/1999 | EP0949317A1 Process and apparatus for the isomerisation of gasolines with high benzene content |
10/13/1999 | EP0948582A1 Hydrocarbon conversion process |
10/13/1999 | EP0948579A1 Raffinate hydroconversion process |
10/13/1999 | CN1231686A Process for increased olefin yields from heavy feedstocks |
10/12/1999 | CA2074123C Process for the production of low-sulfur diesel gas oil |
10/07/1999 | WO1999049965A1 Heat treated fischer-tropsch catalyst particles |
10/06/1999 | EP0947575A1 A process for hydrocracking a heavy distillate oil under middle pressure |
10/06/1999 | EP0946231A1 Countercurrent reaction vessel |
10/06/1999 | CN1230976A Hydrocarbon conversion process |
10/06/1999 | CN1230975A Hydrocarbon conversion process |
09/29/1999 | EP0944693A1 Process for increased olefin yields from heavy feedstocks |
09/29/1999 | EP0944692A1 Hydroprocessing in a countercurrent reaction vessel |
09/29/1999 | EP0944691A2 Heteroatom removal through countercurrent sorption |
09/29/1999 | CN1045306C Method for reducing benzol content in petroleum |
09/28/1999 | US5959167 Base-catalyzed depolymerization reaction in the presence of a supercritical alcohol; depolymerized lignin product is subjected to a sequential two-step hydroprocessing reaction to produce a reformulated gasoline |
09/28/1999 | US5958370 Zeolite SSZ-39 |
09/28/1999 | US5958218 Two-stage hydroprocessing reaction scheme with series recycle gas flow |
09/23/1999 | WO1999047626A1 Integrated hydroconversion process with reverse hydrogen flow |
09/23/1999 | CA2323910A1 Integrated hydroconversion process with reverse hydrogen flow |
09/22/1999 | EP0840772B1 Process for the hydrogenation of a thiophenic sulfur containing hydrocarbon feed |
09/22/1999 | EP0596022B1 Production of hydrocracked lubricants |
09/22/1999 | EP0516616B1 Synthesis of a crystalline silicoaluminophosphate |
09/21/1999 | US5954944 Process for hydrocracking heavy distillate oil under middle pressure |
09/15/1999 | CN1228718A Sulfur resistant hydroconversion catalyst and hydroprocessing of sulfur-containing lube feedstock |
09/14/1999 | US5951848 Process for highly shape selective dewaxing which retards catalyst aging |
09/10/1999 | WO1999045084A1 Hydroconversion process for making lubricating oil basestocks |
09/08/1999 | EP0940464A2 Process for the reduction of sulphur content in FCC heavy gasoline |
09/01/1999 | EP0938532A1 Process for highly shape selective dewaxing which retards catalyst aging |
08/31/1999 | CA2046295C Process for producing lube oil from olefins by isomerization over a silicoaluminophosphate catalyst |
08/31/1999 | CA2029426C Production of gasoline and distillate fuels from light cycle oil |
08/25/1999 | CN1226920A Hydrotreating process |
08/24/1999 | US5942200 Charging hydrogen stream to aromatics saturation zone wherein hydrocarbonaceous stream containing aromatic compounds is reacted to saturate and catalytically methanate carbon oxides; separating hydrogen stream with reduced carbon oxides |
08/24/1999 | US5942197 Countercurrent reactor |
08/19/1999 | WO1999041338A1 Raffinate hydroconversion process |
08/19/1999 | WO1999041336A1 Production of lubricating oils by a combination catalyst system |
08/19/1999 | WO1999041335A1 A lube basestock with excellent low temperature properties and a method for making |
08/19/1999 | WO1999041334A1 Process for improving basestock low temperature performance using a combination catalyst system |
08/19/1999 | WO1999041332A1 Low viscosity lube basestock |
08/19/1999 | WO1999041329A1 Hydroprocessing reactor and process with liquid quench |
08/19/1999 | WO1999041327A1 Hydroconversion process for making lubricating oil basestocks |
08/19/1999 | CA2320106A1 Process for improving basestock low temperature performance using a combination catalyst system |
08/17/1999 | US5939349 Method of preparing non-zeolitic molecular sieve catalyst |
08/17/1999 | US5939031 Countercurrent reactor |
08/13/1999 | WO1999041330A1 A method for upgrading waxy feeds using a catalyst comprising mixed powdered dewaxing catalyst and powdered isomerization catalyst formed into a discrete particle |
08/12/1999 | WO1999040165A1 Hydroprocessing reactor and process having staged reaction zones |
08/12/1999 | CA2319760A1 Hydroprocessing reactor and process having staged reaction zones |
08/11/1999 | CN1225662A Lubricating base oil mfg. process |
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 |
08/10/1999 | US5935414 Hydrocracking and hydrodewaxing process |
08/04/1999 | CN1225113A Layered catalyst system for lube oil hydroconversion |
07/27/1999 | US5928498 Hydrodesulfurization and decyclization catalysis in presence of two catalysts on the same composite particles |