| Document |
Document Title |
|
WO/2000/042125A1 |
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/2000/042124A1 |
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/2000/041988A1 |
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/2000/042082A1 |
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/2000/042129A1 |
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/2000/042130A1 |
A device for hydrogenation-refining hydrocarbon stock oil containing sulfur-containing compounds, comprising a first catalyst layer (33), a second catalyst layer (38), an upper space (34) for separating gaseous components from liquid com...
|
|
WO/2000/042119A1 |
Hydroconversion processing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
|
|
WO/2000/040675A1 |
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/2000/034416A1 |
A process for hydroprocessing a hydrotreated liquid distillate where the feedstream is fed to reaction vessel (R1) via line (10) along with a hydrogen-containing treat gas via line (12). A combined liquid phase and vapor phase product st...
|
|
WO/2000/027950A1 |
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/2000/026325A1 |
Crude oil is separated into a light oil and a normal pressure residual oil by an atmospheric distillation and the light oil is brought into contact with a pressurized hydrogen in the presence of a catalyst to perform a first hydrogenatio...
|
|
WO/2000/024847A1 |
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/2000/024846A1 |
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/2000/015735A1 |
A hydroprocessing process is disclosed which includes two hydroprocessing reaction stages represented by vessels (12) and (14), both of which produce a liquid and vapor effluent represented by lines (42) and (54), and a liquid vapor cont...
|
|
WO/2000/015319A1 |
A flow diagram of one embodiment of the invention having one catalyst bed (14A) in a distillation column/naphtha splitter (14).
|
|
WO/2000/015736A2 |
A wide-cut lubricant base stock is made by hydroisomerizing and then catalytically dewaxing a waxy Fischer-Tropsch synthesized hydrocarbon fraction feed and comprises the entire dewaxate having an initial boiling point in the 650-750 °F...
|
|
WO/2000/014184A2 |
A high VI and low pour point lubricant base stock is made by hydro-isomerizing a high purity, waxy, paraffinic Fischer-Tropsch synthesized hydrocarbon fraction having an initial boiling point in the range of 650-750 °F, followed by cata...
|
|
WO/2000/014179A1 |
A premium synthetic lubricating oil base stock having a high VI and low pour point is made by hydroisomerizing a Fischer-Tropsch synthesized waxy, paraffinic feed wax and then dewaxing the hydroisomerate to form a 650-750 °F+ dewaxate. ...
|
|
WO/2000/014188A2 |
A premium synthetic lubricant having antiwear properties comprises a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one antiwear additive. The antiwear additive is preferably at least one of a metal ph...
|
|
WO/2000/014187A2 |
Premium synthetic lubricants comprise a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one, and typically a plurality of lubricant additives such as a detergent, dispersant, antioxidant, antiwear addit...
|
|
WO/2000/012654A1 |
A reformulated diesel fuel, a method of making and a method of using the diesel fuel to reduce pollution are disclosed. The diesel fuel meets the requirements of ASTM D975-96a for a low sulfur number 2 diesel fuel and provides reduced em...
|
|
WO/2000/005326A1 |
The invention is directed to a process for the hydrogenation of a sulfur containing feedstock, having a sulfur content of less than 50 ppm, wherein the feedstock is hydrogenated in the presence of a precious metal catalyst and a nickel-c...
|
|
WO/2000/000430A2 |
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/1999/065825A1 |
A process for hydrodesulfurizing naphtha feedstreams wherein the reactor inlet temperature is below the dew point of the feedstock at the reactor inlet so that the naphtha will completely vaporize within the catalyst bed. It is preferred...
|
|
WO/1999/064542A1 |
There is provided a process for producing distillates from residue feedstock, said process comprising providing a first catalyst zone having at least one hydrotreating catalyst selected from a hydrodemetallation catalyst, a hydrodesulfur...
|
|
WO/1999/061557A1 |
A hydrotreating process for a residual oil, more particularly, a process comprising hydrotreating a residual oil using a regenerated catalyst as a part of the catalyst for use in the process, wherein a hydrotreatment comprises denitrific...
|
|
WO1999047626A9 |
An integrated process for hydrocracking and for hydrotreating dissimilar feeds using a single hydrogen recovery and recycle loop is disclosed. In the integrated process, hydrogen recovered from a first reaction zone is recovered and pass...
|
|
WO/1999/057224A1 |
A three stage hydroprocessing process includes two liquid and one vapor reaction stages, with a hydrogen containing vapor effluent produced in both liquid stages. The second liquid stage vapor effluent comprises part of the first liquid ...
|
|
WO/1999/057228A1 |
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/1999/057229A1 |
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/1999/057227A1 |
The hydroprocessing process is a hydrotreating process and reaction stages hydrotreating stages. A hydrotreating unit (10) comprises a first cocurrent liquid reaction stage comprising a catalyst bed (14) in downflow reaction vessel (12)....
|
|
WO/1999/057231A1 |
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/1999/052993A1 |
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/1999/049965A1 |
The invention provides heat treated self-supported precipitated iron-based Fischer-Tropsch catalyst particles. The particles of the present invention are breakage resistant and exhibit superior synthesis performance. The invention also p...
|
|
WO/1999/045084A1 |
A process for producing a lubricating oil basestock having at least 90 wt % saturates and a VI of at least 105 by solvent extracting a feedstock in unit (20) to produce a raffinate, solvent dewaxing the raffinate, selectively hydroconver...
|
|
WO/1999/041334A1 |
Waxy feeds are converted to a basestock using a unitized mixed powdered pellet catalyst comprising a metal hydrogenation component on a support having a first dewaxing component and a second isomerization component, wherein the first com...
|
|
WO/1999/041332A1 |
The present invention is directed to an easily biodegradable low viscosity, low Noack volatility lube oil material having a viscosity index (VI) in the range of about 110-145, $m(g)98 % saturates useful as lube oil basestock, automatic t...
|
|
WO/1999/041330A1 |
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/1999/041327A1 |
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/1999/041338A1 |
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/1999/041329A1 |
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/1999/041336A1 |
A process for preparing a lubricating oil basestock (43) having good low temperature properties is disclosed. The process includes contacting a feed (15) with a first amorphous isomerization catalyst (21) having a pore volume less than 0...
|
|
WO/1999/041335A1 |
A method for producing a lube basestock from a waxy feed is disclosed in which a feed containing to 50 wt.% or more of wax is hydrotreated and stripped to lower the nitrogen and sulfur content of the feed. The feed is then hydroisomerize...
|
|
WO/1999/040165A1 |
A method and reactor for catalytic hydroprocessing liquid hydrocarbon feedstock at elevated temperatures and pressures for producing a liquid hydrocarbon product involves introducing the feedstock into a reactor having upper and lower re...
|
|
WO/1999/033937A1 |
A method of isomerizing a light hydrocarbon oil comprising: a pretreatment step in which the light hydrocarbon oil is hydrogenated to convert organic sulfur components of the light hydrocarbon oil into hydrogen sulfide so as to result in...
|
|
WO/1999/032582A1 |
A layered hydrocracking catalyst system has high middle distillate selectivity when used for hydrocracking a high sulfur and high nitrogen containing feedstock. The layered system comprises a first layer catalyst which contains a zeolite...
|
|
WO/1999/032581A1 |
A dewaxing process for reducing the cloud point of a hydrocarbon oil feed comprising contacting a raffinate under dewaxing conditions with a layered catalyst system including a first catalyst layer containing SSZ-32 and a hydrogenation c...
|
|
WO/1999/029809A1 |
This invention is directed to an improved process scheme to process sour feed in the reaction section of the process unit, including isomerization dewaxing with zeolite beta. The instant invention employs countercurrent flow in the fixed...
|
|
WO/1999/022577A2 |
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...
|
|
WO1998059019A9 |
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...
|
