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Class 208/143 - Catalytic


Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein hydrogenation takes place in the presence
No. of patents: 445
Last issue date: 04/24/2012


1                      
NumberTitleIssue Date
8163171Ultra pure fluids
The invention relates to hydrocarbon fluids having high purity with respect to at least one of sulfur species, nitrogen species, oxygenated species, and unsaturated species, particularly hydrocarbon fluids low in aromatics, a method of making said hydrocarbon fluids...
04/24/2012
7988848Activating hydroprocessing catalysts using carbon monoxide and use of catalysts for hydroprocessing
This invention relates to a process for activating a hydroprocessing catalyst and the use of activated catalyst for hydroprocessing. More particularly, hydroprocessing catalysts are activated in the presence of carbon monoxide. The catalysts that have been activated...
08/02/2011
7854834Catalyst based on solid microporous crystalline material and method of improving diesel fraction quality using said catalyst
The invention relates to a catalyst consisting of at least: one matrix comprising at least one oxide which is selected from an amorphous oxide, an oxide with low crystallinity and a mixture of both; at least one solid microporous crystalline material which, in the c...
12/21/2010
7736492Selective hydrogenation process employing a catalyst with a specific support
A process for jointly carrying out selective hydrogenation of polyunsaturated compounds into monounsaturated compounds contained in gasolines, and for transforming light sulphur-containing compounds into heavier compounds by reaction with unsaturated compounds, said...
06/15/2010
7718053Selective hydrogenation process employing a catalyst having a controlled porosity
A process for jointly carrying out selective hydrogenation of polyunsaturated compounds into monounsaturated compounds contained in gasolines, and for transforming light sulphur-containing compounds into heavier compounds by reaction with unsaturated compounds emplo...
05/18/2010
7682502Process to hydrogenate aromatics present in lube oil boiling range feedstreams
An improved hydrogenation process for lube oil boiling range feedstreams utilizing a catalyst comprising at least one Group VIII noble metal selected from Pt, Pd, and mixtures thereof having an average pore diameter of about 15 to less than about 40 Å. ...
03/23/2010
7431824Process for recycling an active slurry catalyst composition in heavy oil upgrading
The instant invention is directed to a process employing slurry catalyst compositions in the upgrading of heavy oils. The slurry catalyst composition is not permitted to settle, which would result in possible deactivation. The slurry is recycled to an upgrading reac...
10/07/2008
7429550Hydrogenation catalyst for hydrocarbon oil and process for hydrogenation using the catalyst
A hydrogenation catalyst for a hydrocarbon oil, includes an inorganic porous support composed of at least the oxides of aluminum, phosphorus, and silicon, and supporting at least one active metal selected from the metals of Group 8 of the periodic table, at least on...
09/30/2008
7427349Fuels hydrocracking and distillate feed hydrofining in a single process
The present invention relates to the field of hydroprocessing, and more particularly relates to a process directed to fuels hydrocracking and distillate feed hydrofining. This process has at least two stages. A relatively unconverted hydrofined product may be remove...
09/23/2008
7390395Hydrocarbon conversion using molecular sieve SSZ-56
The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a N,N-diethyl-2-methyldecahydroquinolinium cation as a structure directing agent, methods for synthesizing SSZ-56 and processes employing SSZ-56 in a catalyst. ...
06/24/2008
7381321Process for improving aromatic and naphtheno-aromatic gas oil fractions
Process for transforming a gas-oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,...
06/03/2008
7368617Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream
Acetylenes and dienes in a stream containing hydrogen, methane, C2-C6 olefins and paraffins, C2-C6 acetylenes and dienes, benzene, toluene, xylenes, and other C6+ components are hydrogenated in a downflow boilin...
05/06/2008
7368625Catalysts with high cobalt surface area
A catalyst or precursor thereto comprising cobalt and/or a cobalt compound on a transition alumina support having a total cobalt content of at least 41% by weight and a cobalt surface area, after reduction, greater than 25 m2 per gram of total cobalt. The...
05/06/2008
7357856Nitrogen removal from olefinic naphtha feedstreams to improve hydrodesulfurization versus olefin saturation selectivity
A two stage process for selectively hydrodesulfurizing olefinic and sulfur and nitrogen-containing naphtha feedstreams wherein the first stage is a nitrogen removal stage to produce a naphtha feedstream having reduced levels of nitrogen compounds and a second stage ...
04/15/2008
7354507Hydroprocessing methods and apparatus for use in the preparation of liquid hydrocarbons
The present invention is generally related towards enhancing the yield and/or cold-flow properties of certain hydrocarbon products, increasing the degree of isomerization in a diesel product and/or increasing the production rate of a diesel product. The embodiments ...
04/08/2008
7347928Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from the bottoms fraction of a fuels hydrocracking process
A process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade by: (a) performing a separate catalytic dewaxing on a spindle oil fraction, a light machine oil fraction and a medium machine oil fraction as obtained in a vac...
03/25/2008
7339086Process for the hydrogenation of branched olefins deriving from the dimerization of isobutene
A process is described for the hydrogenation of olefinic streams containing sulfurated compounds, obtained starting from hydrocarbon cuts containing isobutene (by means of selective dimerization), characterized by fractionating said streams in one or more distillati...
03/04/2008
7332071Process for improving aromatic and naphtheno-aromatic gas oil fractions
Process for transforming a gas oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,...
02/19/2008
7326819High-activity isomerization catalyst and process
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of...
02/05/2008
7314602Contact, mixing, and quenching box for fluids, comprising at least one annular peripheral outlet and reaction cell with an elongated shape along an axis including said box
Contact, mixing, and often quenching box (8), with main dimension (D) and height (H7), comprising at least one duct section (B1) located on the upper part of said box (8) for entry of fluids in which said box (8) comprises, downstr...
01/01/2008
7311815Hydrocarbon products and methods of preparing hydrocarbon products
A method of preparing high linear paraffin or high end-chain monomethyl content products is accomplished by converting synthesis gas in a Fischer-Tropsch reaction to hydrocarbon products. These may be hydrotreated to provide an n-paraffin content of greater than 50%...
12/25/2007
7304193Integrated process for aromatics production
An aromatics complex flow scheme has been developed. The isomerized xylenes effluent from a xylene recovery zone is recycled to a transalkylation stripper without requiring C8 aromatic hydrocarbons to be separated. This improvement results in an aromatics...
12/04/2007
7288687Integrated process for aromatics production
An aromatics complex flow scheme has been developed in which C7-C8 aliphatic hydrocarbons are recycled to an isomerization unit of a xylene recovery zone to increase the efficiency of the isomerization unit. This improvement results in an aroma...
10/30/2007
7288181Producing low sulfur naphtha products through improved olefin isomerization
The instant invention relates to a process to produce high octane, low sulfur naphtha products through the removal of basic nitrogen-containing compounds with subsequent skeletal isomerization of feed olefins and hydrotreating. ...
10/30/2007
7288182Hydroprocessing using bulk Group VIII/Group VIB catalysts
A process for 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 metal to Group VIII metal is ...
10/30/2007
7285695Hydrogenation of hydrocarbon resins
The invention is directed to a process for the hydrogenation of hydrocarbon resins in the presence of a precious metal catalyst, wherein the hydrogenation is performed in the additional presence of at least one metal oxide, capable of reacting with sulfide and/or ha...
10/23/2007
7282137Process for preparing basestocks having high VI
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an...
10/16/2007
7276150Method of desulfurizing gas oil fraction, desulfurized gas oil, and desulfurizer for gas oil fraction
The process for desulfurizing a gas oil fraction according to the invention comprises a low-boiling gas oil fraction hydrodesulfurization step (I) wherein a low-boiling gas oil fraction is desulsurized under the condition of a H2/Oil ratio of 70 to 200 Nm...
10/02/2007
7268263Integrated process for aromatics production
An aromatics complex flow scheme has been developed. C7-C8 aliphatic hydrocarbons are recycled to an isomerization unit of a xylene recovery zone to increase the efficiency of the isomerization unit. This improvement results in an aromatics com...
09/11/2007
7235173Hydrotreating catalyst that contains a nitrogen-containing organic compound and its use
A hydrotreating catalyst that contains at least one element of group VIB and/or group VIII of the periodic table and optionally phosphorus and/or silicon, with an organic compound as an additive that contains at least one nitrogen atom, is used for the transformatio...
06/26/2007
7232515Hydrofining process using bulk group VIII/Group VIB catalysts
A process for hydrofining a lubricating oil feedstock comprising contacting the feedstock with a hydrofining catalyst in a hydrofining zone under hydrofining conditions wherein the hydrofining catalyst comprises a bulk metal catalyst containing non-noble Group VIII ...
06/19/2007
7229548Process for upgrading naphtha
A method for upgrading a naphtha feed to a naphtha product containing less than about 10 wppm of nitrogen and less than about 15 wppm sulfur, the method comprising contacting said naphtha feed with hydrogen in the presence of a bulk multimetallic catalyst under effe...
06/12/2007
7230148Process for hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds
The present invention relates to an improved process for the hydrogenation of aromatics in hydrocarbon feedstocks containing thiopheneic compounds as impurities, the aromatics hydrogenation being conducted in a hydrogenation reactor in the presence of a nickel based...
06/12/2007
7214307White oil from waxy feed using highly selective and active wax hydroisomerization catalyst
A composition of white oil having a kinematic viscosity at 100° C. between about 1.5 cSt and 36 cSt, a viscosity index greater than an amount calculated by the equation: Viscosity Index=28×Ln(the Kinematic Viscosity at 100° C.)+105, less than 18 weight percent of...
05/08/2007
7196034Nickel-iron-silica-alumina
The invention is directed to a catalyst suitable for the hydrogenation of hydrocarbon resins, comprising a supported nickel on silica and alumina catalyst, said catalyst having a nickel content of 45 to 85 wt. %, a silicon content, calculated as SiO2, of ...
03/27/2007
7192516Desulfurization of petroleum streams using metallic sodium
The invention is a method of removing sulfur from a hydrocarbon feed using the steps of dissolving metallic sodium in a solvent and combining the sodium/solvent solution with a liquid hydrocarbon feed containing an organosulfur species. The pressure of combination i...
03/20/2007
7189775Boehmite particles and polymer materials incorporating same
A modified polymer material is discloses, including a polymer base and boehmite particles provided in the polymer base. the boehmite particles are made up of mainly anisotropically shaped particles. ...
03/13/2007
7179434Integrated apparatus for aromatics production
Enabling a transalkylation process to handle both C10 alkylaromatics and unextracted toluene permits the following improvements to be realized. No longer extracting toluene allows a reformate-splitter column to be eliminated. The extraction unit can be mo...
02/20/2007
7179365Process for producing lubricant base oils
The instant invention is an improved process for producing naphthenic base oils from low quality feedstocks. ...
02/20/2007
7175754Process for the production of low benzene gasoline
A process for the production of low benzene content gasoline is disclosed wherein a full boiling range naphtha is fractionated to produce a light naphtha, a medium naphtha and a heavy naphtha. The benzene is contained in the medium naphtha and this stream is subject...
02/13/2007
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