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Matches 701 - 750 out of 1,692

Document Document Title
WO/2000/041810
The invention pertains to a process for preparing a catalyst composition comprising bulk catalyst particles comprising at least one Group VIII non-noble metal and at least two Group VIB metals, which process comprises combining and react...  
WO/2000/042126
A process fo hydroprocessing petroleum and chemical feedstocks by use of a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least one, preferably two Group VIB metal wherein the ratio of Group VIB m...  
WO/2000/041811
The present invention relates to a process for the preparation of a hydroprocessing catalyst, to the catalyst composition obtainable by said process, and to the use of said catalyst composition in hydroprocessing applications. Said proce...  
WO/2000/042128
Hydrocracking process for hydrocracking petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/042131
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/042082
This invention provides a process for hydrotreating hydrocarbon resins, which process comprises contacting a feedstock comprising a hydrocarbon resin or rosin, under suitable hydrotreating conditions, with a bulk multimetallic catalyst c...  
WO/2000/042124
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrdesulfurzing stage containing one or mo...  
WO/2000/042121
Hydrofining of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/042129
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or ...  
WO/2000/041808
Compositions including oxycarbide-based nanorods and/or carbide-based nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-based nanor...  
WO/2000/041988
An improved process for preparing alcohols by the Oxo process. More particularly this invention relates to an improvement in the hydrogenation step of the Oxo process characterized in the use of certain bulk multimetallic hydrogenation c...  
WO/2000/042120
Hydrotreating a petroleum feedstream comprised of at least 50 wt. % of an atmospheric distillation distillate boiling range product stream, preferably hydrodesulfurization of raw virgin petroleum distillates, using a bulk multimetallic c...  
WO/2000/042119
Hydroconversion processing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.  
WO/2000/040676
A process is provided for selectively producing diesel fuel with increased cetane number from a hydrocarbon feedstock. The process includes contacting the feedstock with a catalyst which has a large pore crystalline molecular sieve mater...  
WO/2000/040675
A catalytic process is provided for converting a high boiling point range petroleum stream to distillate range product which includes contacting a petroleum feedstock having a boiling range from 600° to 1100 °F with a hydrocracking cat...  
WO/2000/040333
A hydrocracking catalyst is provided that includes a crystalline molecular sieve material component having a faujasite structure and an alpha acidity of less than 1, preferably 0.3 or less, and a dispersed Group VIII noble metal componen...  
WO/2000/037171
This invention relates to a distributor assembly for multi-bed, down-flow catalytic reactors, that is, reactors which include vertically superimposed packed beds of particulate catalytic material and where a liquid or liquid and gas mixt...  
WO/2000/029513
Small particle size catalysts having an average particle size of less than 20 or 10 microns, which agglomerate when contacted with a hydrocarbon liquid, are easily dispersed in the hydrocarbon liquid by first forming a mixture comprising...  
WO/2000/027950
The invention concerns an improved method for making high-quality basic oils optionally with simultaneous production of high-quality middle distillates, comprising hydrotreatment steps, preferably hydrocracking, on Y or beta zeolite, atm...  
WO/2000/024847
A hydroprocessing process for removing impurities from a feed (22) comprising a hydrocarbonaceous liquid comprises at least two cocurrent, upflow hydroprocessing reaction stages (14, 16) and a non-catalytic, vapor-liquid contacting stage...  
WO/2000/024673
The invention relates to a microporous cristalline material with a characteristic X ray diffractogramme, comprised of oxigen tetrahedra and a metal (T?+4¿ and T?+3¿) with the possibility of introducing superficial acidity produced by t...  
WO/2000/024846
A hydroprocessing process for removing impurities from a feed (30) comprising a hydrocarbonaceous liquid comprises at least one cocurrent, upflow hydroprocessing reaction stage (18), a vapor-liquid contacting stage (20) and a downflow hy...  
WO/2000/020332
Novel crystalline zeolitic materials of the faujasite structure having an increased ratio of zeolitic surface area to mesoporous surface area and distinctive X-Ray Diffraction peak ratios are produced by calcining zeolite Y of low sodium...  
WO/2000/018854
A process is provided for treating crude oil to visbreak and/or upgrade such oil using hydrogen gas. The process includes the steps of introducing hydrogen into a heated stream of crude oil or partially upgraded crude oil and mixing such...  
WO/2000/015319
A flow diagram of one embodiment of the invention having one catalyst bed (14A) in a distillation column/naphtha splitter (14).  
WO/2000/014178
Upgrading of a hydrocarbon feed (11) containing sulfur, metals, and asphaltenes involves applying the feed (11) to a distillation column (14) for producing a substantially asphaltene-free, and metal-free distillate fraction and a non-dis...  
WO/2000/012213
A hydrocracking catalyst has a carrier that has particles of a compound oxide and a binder present between these particles, and at least one metal component selected from Group 6, Group 9 or Group 10 of the Periodic Table supported on th...  
WO/2000/012653
An organic nitrogen compound with a boiling point lower than a 50 % distillation temperature of feed oil is contacted with hydrocracking catalyst as pre-treatment. The hydrocracking catalyst is contacted with the feed oil and hydrogen to...  
WO/2000/007724
The present invention provides a process for the preparation of a catalyst composition which comprises, as first cracking component, a zeolite beta, and a second cracking component selected from (i) crystalline molecular sieves having po...  
WO/2000/007723
The invention pertains to a carrier composition comprising (a) at least 30 wt.% of a synthetic cracking component, based on the total weight of the carrier composition, which comprises oxidic compounds of one or more trivalent metallic e...  
WO/2000/000430
The present invention relates to new crystalline, molecular sieve CIT-6 that has the topology of zeolite beta. CIT-6 can be in an all-silica form, in a form wherein zinc is in the crystal framework, or a form containing silicon oxide and...  
WO/1999/061560
The present invention relates to a method for producing fuel distillates used as raw material in the production of fuel for engines or jet engines. This invention essentially involves mixing residual petroleum raw material (oil fuel, tar...  
WO/1999/057231
A hydroprocessing process including a cocurrent flow liquid reaction stage, a countercurrent flow liquid reaction stage and a vapor reaction stage in which feed components are catalytically hydroprocessed by reacting with hydrogen is dis...  
WO/1999/057228
A process for hydroprocessing middle distillate petroleum streams in two temperature stages is disclosed. The feedstream (11) is hydroprocessed in two or more first temperature stages operated at a temperature from about 360 to about 450...  
WO/1999/057229
A three stage hydroprocessing process includes two liquid and one vapor reaction stages, both of which produce an effluent comprising liquid and vapor. Both vapor effluents comprise vaporized hydrocarbonaceous material. Fresh hydrogen is...  
WO/1999/052993
The invention concerns a method for transforming a gas oil fraction derived from a conversion process or an aromatic crude, thereby improving said fraction cetane index. Said method comprises at least a hydrogenation step wherein said ga...  
WO/1999/047625
This invention relates to a process useful in converting hydrocarbonaceous oils into products of lower average molecular weight and lower average boiling point. The process comprises contacting said hydrocarbonaceous oils under hydrocrac...  
WO/1999/041338
A process for producing a high VI/low volatility lubricating oil basestock. The process comprises subjecting the raffinate from a solvent extraction step (40) to a two-step, single-stage hydroconversion process wherein the first step inv...  
WO/1999/041327
A process for producing a lubricating oil basestock having at least 90 wt.% saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone (20) to a two step hydroconversion through a first h...  
WO/1999/041217
A gas conversion process in which both hycdrocarbons and hydrogen are produced from a synthesis gas feed which comprises a mixture of H¿2? and CO, uses hydrogen from a portion of the feed for one or more of (i) hydrocarbon synthesis cat...  
WO/1999/041330
It has been discovered that waxy feeds can be upgraded using a catalyst made by combining powdered dewaxing catalyst with powdered isomerization catalyst said mixture of powdered catalyst being formed into a discrete particle.  
WO/1999/041329
A method and reactor system for catalytic hydrotreating and hydrocracking of liquid hydrocarbon feedstocks in order to produce a feedstock having a reduced contaminant level are disclosed. A feedstock (11) is introduced into a first reac...  
WO/1999/029810
The process of the invention for converting a hydrocarbon oil includes the following steps: (1) contacting a hydrocarbon oil feedstock in the presence of added hydrogen gas with a catalyst selected from the group consisting of a SAPO-11,...  
WO/1999/022577
This invention is directed to extinction recycle naphtha hydrocracking processes. Large pore zeolite catalysts with Constraint Indices less than 2, such as USY or beta, which are loaded with noble metals such as Pt or Pd or with transiti...  
WO/1999/010098
Nickel-copper catalysts supported on an amorphous silica-alumina acidic carrier, preferably containing a binder, and having an iso-electric point of $m(G)6.5 are used to hydroisomerize paraffins, particularly Fischer-Tropsch paraffins, b...  
WO/1999/010450
A process for converting lignin into high-quality reformulated hydrocarbon gasoline compositions in high yields is disclosed. The process is a two-stage, catalytic reaction process that produces a reformulated hydrocarbon gasoline produc...  
WO/1999/003578
A hydrodenitrogenation catalyst is prepared by decomposing a nickel (ammonium) molybdotungstate precursor and sulfiding, either pre-use or in situ, the decomposition product.  
WO/1999/000181
A reactor (1) is provided for reacting a liquid (5) with a treat gas (6) in the presence of a catalyst (4), the reactor (1) comprising a continuous wall (2) enclosing a first reaction zone (R1), wherein the first reaction zone (R1) inclu...  
WO/1999/000182
A reactor (1) is provided for reacting a liquid (5) with a treat gas (6) in the presence of a catalyst (4), the reactor (1) comprising a continuous wall (2) enclosing a first reaction zone (R1), wherein the first reaction zone (R1) inclu...  
WO/1998/059019
A process where the need to circulate hydrogen through the catalyst is eliminated. This is accomplished by mixing and/or flashing the hydrogen and the oil to be treated in the presence of a solvent or diluent in which the hydrogen solubi...  

Matches 701 - 750 out of 1,692