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)
08/1992
08/05/1992CN1017719B Control of polynuclear aromatic by-products in hydrocracking process
08/04/1992CA1305936C Process for making middle distillates using a silicoaluminophosphate molecular sieve
07/1992
07/14/1992CA1305086C Process for the hydroisomerization and hydrocracking of fischer-tropsch waxes to produce a syncrude and upgraded hydrocarbon products
06/1992
06/23/1992US5124027 Purification; solvent extraction
06/23/1992US5124026 Three-stage process for deasphalting resid, removing fines from decanted oil and apparatus therefor
06/23/1992US5124025 Treating with hydrocarbon solvents in extraction unit or multistage deasphalting unit
06/20/1992WO1992011344A1 Purifying feed for reforming over zeolite catalysts
06/16/1992US5122257 Process for the manufacture of kerosene and/or gas oils
06/16/1992CA1303542C Process for improving the low temperature peformance of dewaxed oil and formulated oil products
06/09/1992US5120426 Hydrocracking process
06/03/1992EP0488757A1 Combination of C5 to C6 isomerisation and pressure swing adsorption
05/1992
05/06/1992CN1016513B High severity visbreaking with recycle
05/05/1992US5110445 Catalytic hydroisomerization of waxy lube feed, solvent extraction and dewaxing of raffinate
04/1992
04/29/1992CN1016440B Process for preparation of hydrocardonaceous distillate and residue, and bitumen compositions containing residue prepared
04/21/1992US5106484 Desulfurizing by passing over nickel catalyst and metal oxide
04/21/1992CA1299204C Process and apparatus for hydrocarbon conversion
04/15/1992CN1016249B Process for catalytic dewaxing of more than one pefinery-derived lubricating base oil precursor
04/08/1992CN1016181B Process for manufacture of lubricating base oils
04/01/1992CN1059928A Hydrocracking process with polycyclic aromatic dimer removal
03/1992
03/31/1992CA1298223C Process for the manufacture of kerosene and/or gas oils
03/25/1992CN1015990B Process for preparing mesophase pitches
03/24/1992US5098551 Catalytic hydroisomerization of hydrocarbon to form lubricants
03/11/1992EP0474535A1 Process for eliminating mercury from steam cracking plants
03/05/1992WO1992003520A1 Hydrocracking process with polycyclic aromatic dimer removal
02/1992
02/25/1992CA1296464C Ultra-high-molecular-weight polyethylene solution
02/25/1992CA1296285C Treatment of feed for high severity visbreaking
02/25/1992CA1296284C High severity visbreaking
02/25/1992CA1296283C Process for hydrotreatment of liquid phase heavy hydrocarbons, with the presence of a dispersed catalyst
02/25/1992CA1296282C Process for hydrodewaxing hydrocracked lube oil base stocks
01/1992
01/28/1992US5084079 High-pressure hot separator
01/21/1992CA1294574C Heterocyclic nitrogen removal from petroleum oils
01/08/1992EP0464546A1 Production of high viscosity index lubricants
01/07/1992CA1293945C Process for the manufacture of lubricating base oils
11/1991
11/27/1991EP0458574A2 Process for producing transformer oil from a hydrocracked stock
11/12/1991US5064525 Catalysis; hydrogenation
11/05/1991US5062948 Mercury removal from liquid hydrocarbon compound
10/1991
10/29/1991CA1291436C Process for the manufacture of lubricating base oils
10/22/1991US5059303 Solvent extraction to remove aromatics
10/22/1991US5059299 Method for isomerizing wax to lube base oils
10/16/1991EP0451343A1 High pressure hot separator
10/09/1991EP0450997A1 Process for hydrotreatment of petroleum residue or heavy oil for refining and conversion to lighter fractions
09/1991
09/25/1991CN1014068B Improved process for hydrodewaxing hydrocracked lube oil base stocks
09/10/1991CA2037856A1 High pressure hot separator
09/03/1991US5045175 Low hydrogen to hydrocarbon ratio, adsorption of hydrogen sulfide from liquid and gas phases, desulfurization
08/1991
08/27/1991US5043525 Efficiency
08/14/1991DE4003715A1 High-pressure separator for hydrogenation of hydrocarbon(s) - has inner wall of the insulated pressure vessel made from spiral of rectangular tube through which coolant is passed
08/06/1991US5037528 Dewaxing slack wax feed by catalytic isomerization; increasing viscosity by treating with organic peroxide
07/1991
07/16/1991CA1286324C Preparation of medicinal white oils and medicinal paraffins
07/16/1991CA1286247C Process for producing anode grade coke employing heavy crudes characterized by high metal and sulfur levels
07/16/1991CA1286087C Process for cleaning of waste materials by refining and/or elimination of biologically difficult to degrade halogen-, nitrogen- and/or sulfur compounds
07/09/1991CA1285898C Olefin hydrogenation method for adsorptive separation process feedstreams
07/03/1991EP0435242A1 Process for converting heavy hydrocarbon oil
06/1991
06/27/1991CA2023860A1 Process for converting heavy hydrocarbon oil
06/19/1991EP0433027A1 Method of cat-cracking feed preparation
06/19/1991EP0433026A1 Process for removing metallic contaminants from a hydrocarbonaceous liquid
06/18/1991US5024750 Process for converting heavy hydrocarbon oil
06/04/1991US5021143 Process of fractionation and extraction of hydrocarbons allowing obtaining a cut of increased octane index and a kerosene of improved smoke point
06/04/1991US5021142 Turbine oil production
05/1991
05/07/1991US5013427 Resid hydrotreating with resins
04/1991
04/30/1991CA1283618C Two step heterocyclic nitrogen extraction from petroleum oils
04/23/1991US5009770 Simultaneous upgrading and dedusting of liquid hydrocarbon feedstocks
04/02/1991CA1282363C Process for catalytic dewaxing of more than one refinery-derived lubricating base oil precursor
04/02/1991CA1282362C Reducing resid hydrotreating solids
02/1991
02/20/1991CN1011663B Chemical processing with operational step sensitive to feedstream component
02/19/1991US4994171 Process for the manufacture--gas oils
02/15/1991WO1991002782A1 Process for preparing low pour middle distillates and lube oil using a catalyst containing a silicoaluminophosphate molecular sieve
02/15/1991CA2035027A1 Process for preparing low pour middle distillates and lube oil using a catalyst containing a silicoaluminophosphate molecular sieve
02/13/1991CN1011593B Process for making middle distillates using silicoaluminophosphate molecular sieve
02/12/1991US4992163 Cat cracking feed preparation
02/12/1991US4992159 Upgrading waxy distillates and raffinates by the process of hydrotreating and hydroisomerization
01/1991
01/29/1991US4988434 Demetallization to remove vanadium or nickel from petroleum distillates using active carbon supported vanadium catalyst
01/29/1991CA1279597C Process for the preparation of a hydrocarbonaceous distillate and a residue, and bitumen compositions containing a residue thus prepared
01/19/1991WO1991001360A1 Resid hydrotreating with resins
01/15/1991US4985139 Two-step heterocyclic nitrogen extraction from petroleum oils with reduced refinery equipment
01/01/1991US4982048 High octane gasoline
12/1990
12/25/1990US4980046 Separation system for hydrotreater effluent having reduced hydrocarbon loss
12/25/1990US4980045 Using absorbent
12/19/1990EP0403087A1 Conversion increase of vacuum residuums
12/18/1990US4978439 Catalytic hydrodesulfurization of high-sulfur stream, then removal of hydrogen sulfide
12/12/1990CN1047687A Process for manufacture of lubricating base oils
12/12/1990CA2010774A1 Conversion increase of vacuum residiums
12/05/1990EP0400742A1 Process for the manufacture of lubricating base oils
12/04/1990US4975177 Sequential hydroisomerization and hydrodewaxing followed by optional hydrotreating
11/1990
11/14/1990CN1046929A Antirust industry vaseline substitute-hydrocarbon oil hydrocracking circulating oil
10/1990
10/17/1990CN1046151A Mercury removal from liquid hydrocarbon compound
10/09/1990US4961838 Pretreating heavy alkylates with activated magnesium silicate to absorb aromatics, hydrogenating
10/09/1990CA1275118A1 Process and apparatus for separating branched- from unbranched hydrocarbons
09/1990
09/26/1990CN1045596A Process for removing mercury or arsenic from hydrocarbons
09/20/1990WO1990010684A1 Process for eliminating mercury and possibly arsenic in hydrocarbons
09/18/1990CA1274205A1 Processing aromatic vacuum gas oil for jet fuel production
09/18/1990CA1274204A1 Cascade dewaxing process
09/12/1990CN1009558B Olefin hydrogenation method for adsorptive separation process feed stream
09/05/1990EP0385742A1 Mercury removal from liquid hydrocarbon compound
09/04/1990US4954242 Process for refractory compound removal in a hydrocracker recycle liquid
08/1990
08/29/1990EP0384540A1 Process for isomerization of a hydrocarbon stream
08/28/1990US4952746 Desulfurizaiton, dehalogenation, denitrification, demetallizaiton, deoxygenation
08/21/1990US4950382 Process for improving the low temperature performance of dewaxed oil and formulated oil products
08/07/1990CA1272461A1 Recycle of unconverted hydrocracked residual to hydrocracker after removal of unstable polynuclear hydrocarbons
07/1990
07/04/1990EP0376637A1 Process for the manufacture of polyolefin lubricants from sulfur-containing thermally cracked petroleum residua
07/03/1990US4938862 Synthesis gas direct heat exchange
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