Class 208/66 - Catalytic

Subclass of Class 208 - Mineral oils: processes and products
Definition: Processes wherein the reforming reaction takes place in
No. of patents: 76
Last issue date: 10/28/2008

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Number	Title	Issue Date
7442290	Mesoporous aluminum oxide, preparation and use thereof Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high the...	10/28/2008
7435329	Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c...	10/14/2008
7261805	Process for catalytic dewaxing and catalytic cracking of hydrocarbon streams A process for upgrading a hydrocarbon feedstock containing waxy components and having an end boiling point exceeding 650° F., which includes contacting the feedstock at superatmospheric hydrogen partial pressure with an isomerization dewaxing catalyst that includes...	08/28/2007
7220505	Autothermal reformer-reforming exchanger arrangement for hydrogen production Low-energy, low-capital hydrogen production is disclosed. A reforming exchanger 14 is placed in parallel with an autothermal reformer (ATR) 10 to which are supplied a preheated steam-hydrocarbon mixture. An air-steam mixture is supplied to the burner/m...	05/22/2007
6979396	Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c...	12/27/2005
6935284	Power system A power system includes an internal combustion engine having a primary combustion chamber and a secondary combustion chamber, a first fuel being supplied to the primary combustion chamber, a second fuel being burned in the secondary combustion chamber so as to ignit...	08/30/2005
6797153	Catalyst for hydrocracking of heavy oils and method of hydrocracking heavy oils A catalyst for the hydrocracking of heavy oils contains iron and active carbon having an MCH conversion rate of 40-80%, a specific surface area of 600-1000 m2/g of, a pore volume of 0.5 to 1.4 cm3/g, 2-50 nanometers' mesopore volume of not less...	09/28/2004
6667270	Bismuth-and phosphorus-containing catalyst support, reforming catalysts made from same, method of making and naphtha reforming process Bismuth- and phosphorus-containing catalyst supports, naphtha reforming catalysts made from such supports, methods of making both support and catalyst, and a naphtha reforming process using such catalysts....	12/23/2003
6652737	Production of naphtha and light olefins Disclosed is a method for treating naphtha. The method comprises providing naphtha feed, and the naphtha feed comprises naphthene ring-containing compounds. The naphtha feed is contacted with a ring opening catalyst containing a Group VIII metal under con...	11/25/2003
6602405	Sulfur removal process A product of reduced sulfur content is produced from an olefin-containing hydrocarbon feedstock which includes sulfur-containing impurities. The feedstock is contacted with an olefin-modification catalyst in a reaction zone under conditions which are effe...	08/05/2003
6599417	Sulfur removal process A product of reduced sulfur content is produced from an olefin-containing hydrocarbon feedstock which includes sulfur-containing impurities. The feedstock is contacted with an olefin-modification catalyst in a reaction zone under conditions which are effe...	07/29/2003
6562230	Synthesis of narrow lube cuts from Fischer-Tropsch products A process for preparing hydrocarbons in the lube base oil range, lube base oils and lube oil compositions from a fraction with an average molecular weight above a target molecular weight and a fraction with an average molecular weight below a target molec...	05/13/2003
6441263	Ethylene manufacture by use of molecular redistribution on feedstock C3-5 components A process for preparing an ethylene-rich composition from a C3-5 paraffinic feedstock is described. The C3-5 paraffinic feedstock is subjected to molecular redistribution via dehydrogenation to form olefins, metathesis of the olefins...	08/27/2002
6436278	Process for producing gasoline with an improved octane number The invention concerns a process for producing gasoline with an improved octane number, optionally accompanied by oil and/or middle distillate production, by conversion-hydroisomerization of the paraffins in the feed using a catalyst containing at least o...	08/20/2002
6398947	Reformate upgrading using zeolite catalyst The patent application discloses an integrated process for reformate upgrading. Such a process enables production of a high value product slate, by incorporating the step of reforming along with reaction/diffusion with a zeolite....	06/04/2002
6383366	Wax hydroisomerization process Waxy feeds are treated under hydroisomerization conditions to produce good yields of an isomerate product of high VI by using a silica-alumina based catalyst in which the silica-alumina has a pore volume less of 0.99 ml/gm (H2 O), an alumina co...	05/07/2002
6284128	Reforming with selective reformate olefin saturation A process combination is disclosed to selectively upgrade hydrocarbons in a manner to essentially eliminate olefins in product from the combination. Preferably the hydrocarbons comprise naphtha which is reformed to upgrade its octane number and/or to prod...	09/04/2001
6153086	Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage A hydroprocessing process includes 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. Both liquid stages both ...	11/28/2000
6149800	Process for increased olefin yields from heavy feedstocks A process for upgrading petroleum feedstocks boiling in the distillate plus range, which feedstocks, when cracked, result in unexpected high yields of olefins. The feedstock is hydroprocessed in at least one reaction zone countercurrent to the flow of a h...	11/21/2000
6124514	Process for generating pure benzene from reformed gasoline A process is disclosed for generating pure aromatic compounds from a reformed gasoline which contains aromatic compounds, olefins, diolefin, and triolefins, which comprises the steps of: (a) selectively hydrogenating the olefins, diolefins and triolefins in th...	09/26/2000
6083379	Process for desulfurizing and aromatizing hydrocarbons A process for desulfurizing and enhancing the octane of cracked gasoline by first aromatizing the cracked gasoline and, second, hydrodesulfurizing the resulting intermediate product stream....	07/04/2000
6051128	Split-feed two-stage parallel aromatization for maximum para-xylene yield A full boiling hydrocarbon feed is reformed to enhance para-xylene and benzene yields. First, the hydrocarbon feed is separated into a C5- cut, a C6 -C7 cut, and a C8+ cut. The C6 -C7 cut ...	04/18/2000
6001241	BTX from naphtha without extraction A hydrocarbon feedstock is catalytically reformed in a sequence comprising a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic L-zeolite and an aromatics-isomerization zone containing a catalyst comprising a ...	12/14/1999
5985131	Hydroprocessing in a countercurrent reaction vessel A process for upgrading a liquid petroleum or chemical stream wherein said stream flows countercurrent to the flow of a treat gas, such as a hydrogen-containing gas, in at least one reaction zone. The reaction vessel used in the practice of the present in...	11/16/1999
5972207	Catalytic reforming process for heavy cracked naphtha A large pore volume catalyst was used for reforming heavy cracked naphtha. The average pore diameter is preferably between about 110 to 150 Angstroms. Improved catalytic stability and improved liquid yield was achieved. As a result of the improvement a 10...	10/26/1999
5935413	Interbed gas-liquid mixing system for cocurrent downflow reactors An apparatus for mixing vapor and liquid reactants within a column. The apparatus forms a first mixing zone into which a first reactant (e.g., vapor) is homogenized by swirl flow and flows vertically downward. The apparatus further forms a second mixing z...	08/10/1999
5906728	Process for increased olefin yields from heavy feedstocks A process for upgrading petroleum feedstocks boiling in the distillate plus range, which feedstocks, when cracked, result in unexpected high yields of olefins. The feedstock is hydroprocessed in at least one reaction zone countercurrent to the flow of a h...	05/25/1999
5865986	Hydrocarbon conversion This is a process for upgrading a petroleum naphtha fraction. The naphtha is subjected to reforming and the reformate is cascaded to a benzene and toluene synthesis zone over a benzene and toluene synthesis catalyst comprising a molecular sieve of low aci...	02/02/1999
5858209	Catalytic reforming process with increased aromatics yield A processing step is added to an existing catalytic reforming unit to increase the yield of aromatic product. The additional processing comprises separation of product from the reforming unit into an aromatic concentrate and a low-octane recycle stream wh...	01/12/1999
5847252	Process for integrated oligomer production and saturation A process for the production motor fuel components from isoparaffins by dehydrogenation, oligomerization and saturation uses a combination of low severity dehydrogenation, first and second feed input locations and a primary separation column that receives...	12/08/1998
5792338	BTX from naphtha without extraction A hydrocarbon feedstock is catalytically reformed in a sequence comprising a continuous-reforming zone associated with continuous catalyst regeneration, a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic L-ze...	08/11/1998
5773676	Process for producing olefins and aromatics from non-aromatics A multi-step process for converting non-aromatic hydrocarbons (preferably a gasoline-type hydrocarbon mixture) to lower olefins (preferably, ethylene and propylene) and aromatic hydrocarbons (preferably benzene, toluene and xylene) comprises, in sequence,...	06/30/1998
5472593	BTX from naphtha without extraction A hydrocarbon feedstock is catalytically reformed in a sequence comprising a reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic L-zeolite and an aromatics-isomerization zone containing a catalyst comprising a platinum-g...	12/05/1995
5439583	Sulfur removal systems for protection of reforming crystals A process is disclosed for removing residual sulfur from a hydrotreated naphtha feedstock. The feedstock is contacted with molecular hydrogen under reforming conditions in the presence of a less sulfur sensitive reforming catalyst to convert trace sulfur ...	08/08/1995
5378348	Distillate fuel production from Fischer-Tropsch wax Distillate fuels with excellent cold flow properties are produced from waxy Fischer-Tropsch products by separating the product into a heavier and a lighter fraction, isomerizing the heavier fraction, hydrotreating and isomerizing the lighter fraction, and...	01/03/1995
5294328	Production of reformulated gasoline A process combination is disclosed to reduce the aromatics content of a key component of gasoline blends. Paraffins contained in catalytic reformates are conserved and upgraded by separation and isomerization, reducing the reforming severity required to a...	03/15/1994
5273644	Integrated reforming and alkylation process for low benzene reformate The invention is a lower cost combined reforming-benzene alkylation process. The unstabilized liquid product recovered from the reforming reaction zone is not stabilized by passage into a stripping column for the removal of C4 -minus hydrocarbo...	12/28/1993
5259946	Sulfur removal system for protection of reforming catalysts A process for removing residual sulfur from a hydrotreated naphtha feedstock is disclosed. The feedstock is contacted with molecular hydrogen under reforming conditions in the presence of a less sulfur sensitive reforming catalyst, thereby converting trac...	11/09/1993
5246567	Benzene removal in an isomerization process A process is provided for the hydrogenation of benzene and the isomerization of a light naphtha feedstock consisting essentially of a stream having a boiling range of from about 50° F. to about 240° F. comprising the steps of contacting the light naphth...	09/21/1993
5211837	Catalytic reforming process with sulfur preclusion A hydrocarbon feedstock is catalytically reformed to effect dehydrocyclization of paraffins in a process combination comprising a first reforming zone and a sulfur-removal zone utilizing a manganese component to preclude sulfur from the feed to a second r...	05/18/1993

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Class 208/66 - Catalytic