| 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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| 07/03/1990 | CA1271201A1 Product recovery method for dehydrocyclodimerization process |
| 06/29/1990 | CA2004494A1 Multistep process for the manufacture of novel polyolefin lubricants from sulfur containing thermally cracked petroleum residua |
| 06/27/1990 | EP0374320A1 Process for pretreatment of an isomerization process feedstock containing light hydrocarbons |
| 06/20/1990 | EP0373740A1 A process for upgrading waxy distillates or raffinates by hydrotreating and hydroisomerization |
| 06/06/1990 | CN1042730A New technology for manufacturing high-value product by use of wax oil |
| 05/01/1990 | CA1268426A1 Method for removing iron content in petroleum series mineral oil therefrom |
| 04/25/1990 | CN1007732B Process for the manufacture of lubrication base oil and the base oil produced thereof |
| 04/24/1990 | US4919788 Dewaxing using zeolite beta as hydroisomerization catalyst, then second selective dewaxing; improved pour point, viscosity index |
| 04/17/1990 | US4917788 Manufacture of lube base stocks |
| 03/28/1990 | EP0360406A1 Treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component |
| 03/28/1990 | EP0359889A1 Catalyst, apparatus and process for the desulfurization of low sulfur hydrocarbons |
| 03/27/1990 | US4911825 Catalytic hydrogenation |
| 03/27/1990 | US4911821 Lubricant production process employing sequential dewaxing and solvent extraction |
| 02/27/1990 | US4904369 Residual oil conversion process |
| 02/14/1990 | EP0354826A1 Hydrocarbon fractionation and extraction process to obtain a petrol with a high octane number and a kerosene with an altered smoke point |
| 01/09/1990 | US4892644 Upgrading solvent extracts by double decantation and use of pseudo extract as hydrogen donor |
| 12/28/1989 | DE3920347A1 Process for reforming heavy oils containing asphaltenes |
| 12/27/1989 | CN1006229B Single-stage hydrotreating process |
| 12/20/1989 | CN1038120A High severity visbreaking with recycle |
| 11/29/1989 | EP0343371A1 High severity visbreaking with recycle |
| 11/29/1989 | CN1037466A Process for eliminating mercury and eventual arsenic from hydrocarbons |
| 11/21/1989 | US4882037 Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a selected hydrogenated distillable light hydrocarbonaceous product |
| 11/01/1989 | CN1036787A Process for thermal cracking of residual hydrocarbon oils |
| 09/13/1989 | EP0332526A1 Process for removing mercury and, optionally, arsenic from hydrocarbons |
| 08/23/1989 | EP0329301A2 Desulphurisation |
| 08/22/1989 | US4859312 Process for making middle distillates using a silicoaluminophosphate molecular sieve |
| 08/22/1989 | CA1258648A1 Process for the production of aromatic fuel |
| 08/16/1989 | EP0328216A1 Process for the thermal cracking of residual hydrocarbon oils |
| 08/09/1989 | CN1034530A Process for steam-reforming hydrocarbons |
| 07/18/1989 | US4849095 Process for hydrogenating a hydrocarbonaceous charge stock |
| 07/11/1989 | US4846962 Furfural, phenol or methylpyrrolidone solvent extraction |
| 07/11/1989 | US4846958 Upgrading hydrocarbons |
| 07/05/1989 | EP0323092A2 Process for the hydroisomerization of Fischer-Tropsch wax to produce lubricating oil |
| 06/21/1989 | EP0321307A2 Method for isomerizing wax to lube base oils |
| 06/21/1989 | EP0321305A2 Process for the hydroisomerization/hydrocracking of fischer-tropsch waxes to produce syncrude and upgraded hydrocarbon products |
| 06/21/1989 | EP0320979A2 A process for steam reforming of hydrocarbons |
| 06/20/1989 | US4840722 Hydrogenation |
| 06/14/1989 | EP0319626A1 Catalytic dewaxing process with high temperature sorbent bed |
| 06/06/1989 | US4836914 Method for removing iron content in petroleum series mineral oil therefrom |
| 05/23/1989 | US4832819 Group 8 metal catalysts on supports |
| 05/16/1989 | US4831208 Chemical processing with an operational step sensitive to a feedstream component |
| 05/16/1989 | US4831207 Chemical processing with an operational step sensitive to a feedstream component |
| 05/16/1989 | US4831206 Chemical processing with an operational step sensitive to a feedstream component |
| 04/27/1989 | DE3735306A1 Process for desulphurising tars |
| 04/18/1989 | US4822476 Process for hydrodewaxing hydrocracked lube oil base stocks |
| 04/12/1989 | CN1032355A Control of polynuclear aromatic by-products in hydrocracking process |
| 04/11/1989 | CA1252410A1 Combination process for making improved lubricating oils from marginal crudes |
| 04/05/1989 | EP0309621A1 Control of polynuclear aromatic by-products in a hydrocracking process |
| 03/28/1989 | US4816138 Hydrogenation to form hydrocarbons, hydrogen halides, ammonia, hydrogen sulfide, absorption |
| 03/16/1989 | DE3448270C2 Process for concentrating heavy crude oils |
| 02/28/1989 | US4808298 Injecting decanted oil into fractionators downstream of the reactor |
| 01/31/1989 | CA1249541A1 Single-stage hydrotreating process |
| 01/31/1989 | CA1249538A1 Process for the manufacture of lubricating base oils and base oils thus prepared |
| 01/10/1989 | US4797198 Supercritical solvent extraction, filtration, distillation, catalytic hydrogenation, gasification |
| 01/04/1989 | EP0297130A1 Making middle distillates using silicoaluminophosphate molecular sieves. |
| 01/03/1989 | US4795840 Hydrogenation of aromatics |
| 01/03/1989 | US4795545 Zeolite then alumina adsorption |
| 12/13/1988 | US4790930 Two-step heterocyclic nitrogen extraction from petroleum oils |
| 12/06/1988 | US4789456 Process for preparing mesophase pitches |
| 11/22/1988 | US4786402 Preparation of medicinal white oils and medicinal paraffins |
| 11/08/1988 | US4783574 Process for hydrocarbon conversion |
| 11/01/1988 | CA1243979A1 Process for increasing deasphalted oil production from upgraded oil residua |
| 10/05/1988 | CN88101684A Chemical processing with operational step sensitive to feedstream component |
| 10/05/1988 | CN88100080A Process for making middle distillates using silicoaluminophosphate molecular sieve |
| 10/04/1988 | US4775460 Pretreatment to produce polycyclic compounds, which are removed |
| 09/28/1988 | EP0284228A1 Chemical processing with an operational step sensitive to a feedstream component |
| 09/27/1988 | US4773986 Separation, hot filtration |
| 09/13/1988 | US4770763 Process for producing lubricant base oil |
| 08/30/1988 | US4767819 Fractionated kerosene; biphenyl and naphthalene removed after hydrogenation by metallic catalyst; high strength elasticity |
| 08/30/1988 | US4767521 Upgrading by separation of heavy phase asphaltene and removal |
| 08/17/1988 | EP0278694A2 Method for removing basic nitrogen compounds from extracted oils by use of acidic polar adsorbents and the regeneration of said adsorbents |
| 08/17/1988 | EP0278693A2 Process for producing formulated dewaxed oil products |
| 08/16/1988 | US4764265 Process for the manufacture of lubricating base oils |
| 07/20/1988 | EP0274604A1 High severity visbreaking |
| 07/14/1988 | WO1988005070A1 Making middle distillates using silicoaluminophosphate molecular sieves |
| 07/12/1988 | US4756821 Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst |
| 07/06/1988 | CN87105808A Improved process for hydrodewaxing hydrocracked lube oil base stocks |
| 07/05/1988 | US4755279 Process for the manufacture of lubricating oils |
| 07/05/1988 | US4755277 Process for the preparation of a hydrocarbonaceous distillate and a residue |
| 06/29/1988 | EP0272729A1 Process for the manufacture of lubricating base oils |
| 06/29/1988 | EP0272577A1 Treatment of feed for high severity visbreaking |
| 06/28/1988 | CA1238599A1 Sustained high hydroconversion of petroleum residua feedstocks |
| 06/22/1988 | CN87107356A Process for manufacture of kerosene and/or gas oils |
| 06/22/1988 | CN87107355A Process for manufacture of lubricating base oils |
| 06/21/1988 | US4752380 Arsenic removal from shale oil by chloride addition |
| 06/21/1988 | US4752379 Arsenic removal from shale oil by oxidation |
| 06/21/1988 | US4752376 Multiple stepped process for the demetallization and desulfuration of heavy oil feedstocks |
| 06/15/1988 | EP0271265A1 Improved process for lowering pour and cloud points of hydrocracked lube oils |
| 06/15/1988 | EP0271148A1 Process for the manufacture of kerosine and/or gas oils |
| 06/08/1988 | EP0270177A1 Process and apparatus for hydrocarbon conversion |
| 06/07/1988 | US4749472 Heating, distillation, extraction with aqueous carboxylic acid |
| 05/31/1988 | US4747937 Process for the removal of hydrogenatable hydrocarbonaceous compounds from a hydrocarbonaceous stream and hydrogenating these compounds |
| 04/06/1988 | EP0262389A1 Process for the production of medicinal white oils and medicinal paraffins |
| 03/08/1988 | CA1233778A1 Viscosity index improvement in dewaxed lube basestock by partial desulfurization in hydrotreat bed |
| 02/25/1988 | DE3725764A1 Prodn. of anode coke from hydrocarbon feeds rich in metals and sulphur |
| 02/17/1988 | EP0255871A2 Use of a hydrocarbon mixture as solvent |
| 02/10/1988 | EP0255754A1 Olefin hydrogenation method |
| 02/10/1988 | EP0255618A2 Ultra-high-molecular-weight polyethylene solution |
| 02/10/1988 | CN87103330A Olefin hydrogenation method for adsorptive separation process feedstreams |
| 01/26/1988 | CA1231907A1 Method for manufacturing low point petroleum product |