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| Number | Title | Issue Date |
| 8026403 | System and process for production of liquid product from light gas A method for producing a product comprising at least one selected from C2+ hydrocarbons, oxygenates, and combinations thereof from light gas comprising one or more of carbon dioxide, methane, ethane, propane, butane, pentane, and methanol by forming a dis... | 09/27/2011 |
| 7902418 | Disproportionation of isopentane A process for disproportionating isopentane into isomers of hexane and butane that utilizes a fixed bed reactor employing a catalyst composition comprising aluminum halide. The process additionally includes a product separation zone which can be configured to recove... | 03/08/2011 |
| 7304199 | Solid acid catalyst and method of using same A catalyst composition includes an oxygen compound of an element selected from Group IVB or Group IVA of the Periodic Table of the Elements; an oxygen compound of an element selected from Group VIB or Group VIA of the Periodic Table of the Elements; and at least abo... | 12/04/2007 |
| 7271123 | Molecular sieve catalyst composition, its making and use in conversion process The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a molecular sieve cata... | 09/18/2007 |
| 7227040 | Process for forming branched composition catalytically by carbon-hydrogen bond activation in a saturated moiety A branched composition can be formed by reacting a reagent containing a saturated hydrocarbon moiety in the presence of (a) a catalyst capable of activating a carbon-hydrogen bond therein and (b) a branching reagent having a moiety that binds to the carbon atom in t... | 06/05/2007 |
| 7220888 | Method for producing hydrocarbons having a modified carbon skeleton The invention relates to a method for producing hydrocarbons having a modified carbon skeleton by reacting aliphatic hydrocarbons a) with themselves, b) with another aliphatic hydrocarbon or c) with aromatic alkyl substituted hydrocarbons, in the presence of a metal... | 05/22/2007 |
| 7214845 | Disproportionation of hydrocarbons A novel hydrocarbon disproportionation process is provided and includes contacting a hydrocarbon feed comprising at least one paraffin with a disproportionation catalyst comprising a support component, a metal, and a halogen in a disproportionation reaction zone und... | 05/08/2007 |
| 7160831 | Molecular sieve catalyst composition, its making and use in conversion processes The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to making a formulated mo... | 01/09/2007 |
| 7151199 | Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the catalyst. The halogen may be removed by one of several methods. One m... | 12/19/2006 |
| 7128150 | Acid gas disposal method This invention is method of recovering gas from a gas-bearing subterranean formation in which gas is produced from an upper portion of the formation and a waste gas is injected into a lower portion of the formation to dispose of the waste gas. The waste gas is injec... | 10/31/2006 |
| 7095624 | Electromagnetic shield with vee-slot panel joints An electromagnetic shielding structure has conductive parts for blocking propagation of electromagnetic interference, whereof at least one has an appendage or an edge configuration that is shaped so as to bite into the edge of the other of the conductive parts, such... | 08/22/2006 |
| 7067448 | Method for production of n-alkanes from mineral oil fractions and catalyst for carrying out said method The invention relates to a method for the production of n-alkanes from mineral oil fractions and fractions from thermal or catalytic conversion plants, containing cyclic alkanes, alkenes, cyclic alkenes and/or aromatics. The invention further relates to a catalyst f... | 06/27/2006 |
| 7041866 | Solid-acid 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 co... | 05/09/2006 |
| 6977322 | Isomerization catalyst and processes 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 tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component ... | 12/20/2005 |
| 6727397 | Process for manufacturing alkanes with methane The present invention relates to a process for manufacturing alkanes, comprising, as main stage, a reaction resulting from bringing methane into contact with at least one other starting alkane (A) in the presence of a catalyst based on a metal M capable of catalyzin... | 04/27/2004 |
| 6573416 | Hydrocarbon disproportionation A process for disproportionating isoparaffins and paraffins in the presence of at least one initiator is disclosed. The product from the disproportionation contains a gasoline range material having a higher octane-rating than the isoparaffins and paraffin... | 06/03/2003 |
| 6566569 | Conversion of refinery C5 paraffins into C4 and C6 paraffins A process for preparing a C4- product stream and a C6 + product stream is disclosed. The process involves contacting a C5 containing paraffinic feedstock with a catalyst that includes a hydrogenation/dehydrogenation cataly... | 05/20/2003 |
| 6469225 | Process for manufacturing alkanes A process for the manufacture of alkanes comprising a cross-metathesis reaction between at least one starting alkane (A) and one organometallic compound (B) fixed to an inorganic support and comprising a metal bonded to at least one hydrocarbon-comprising... | 10/22/2002 |
| 6423880 | Isopentane disproportionation A novel i-pentane disproportionation process is provided and includes contacting i-pentane with an acidic disproportionation catalyst in the presence of a lower paraffin co-feed and, optionally, in the presence of an initiator.... | 07/23/2002 |
| 6265630 | Process for pentane disproportionation A process for the disproportionation of pentane to alkanes containing fewer carbon atoms per molecule and alkanes containing more atoms per molecule in the presence of a catalyst composition containing hydrogen fluoride (HF), titanium tetrafluoride (TiF | 07/24/2001 |
| 6229060 | Method of metathesis of alkanes and catalyst A process for the metathesis of linear or branched starting alkanes involves, first, grafting metal atoms in the form of hydrides to a solid oxide, such that the grafted metal atoms are dispersed over the solid oxide, which effects a solid catalyst, and s... | 05/08/2001 |
| 6225359 | Process for conversion of natural gas and associated light hydrocarbons to salable products Salable hydrocarbon products prepared by reacting a light hydrocarbon gaseous stream with a gaseous oxidant to produce carbon oxides and hydrogen, which is contacted in a hydrocarbon synthesis zone to produce a product stream comprising salable hydrocarbo... | 05/01/2001 |
| 6020533 | Hydrocarbon conversion processes using crystalline manganese phosphate compositions Hydrocarbon conversion processes using a new family of crystalline manganese phosphate compositions is disclosed. These compositions have an extended network; which network can be a one-, two-, or three-dimensional network. The composition has an empirica... | 02/01/2000 |
| 6018088 | Superacid catalyzed formylation-rearrangement of saturated hydrocarbons A method is disclosed for producing branched aliphatic ketones in hydrocarbon mixtures from isoalkanes by a superacid catalyzed formylation-rearrangement reaction. The method can be used to simultaneously isomerize, if necessary, and formylate hydrocarbon... | 01/25/2000 |
| 5942104 | Alumina source for non-zeolitic molecular sieves This invention provides a method for preparing non-zeolitic molecular sieves using inexpensive reagents and at lower manufacturing cost. The method includes using a low density, small size particulate hydrated alumina, such as aluminum hydroxide, in place... | 08/24/1999 |
| 5900522 | Process for the preparation of an isobutane/isohexane containing product Process for the preparation of an isobutane/isohexane containing product comprising passing an isopentane feed to a disproportion stage and disproportionating the isopentane feed in the presence of olefinic and/or higher branched paraffinic hydrocarbons b... | 05/04/1999 |
| 5763727 | Fluidized bed paraffin disproportionation A process is provided for the disproportionation of C3 -C5 paraffins. Propane, butanes and/or pentanes are reacted over a zeolite catalyst having a low acid activity in a turbulent fluidized bed reactor regenerator system operating a... | 06/09/1998 |
| 5688975 | Rare earth stabilized Cr/Ti substituted molecular sieves Molecular sieve compositions have been synthesized which are resistant to the loss of framework atoms. Specifically, the molecular sieves of the invention have the empirical formula mA: (Mw Alx Siy)O2 where A is at l... | 11/18/1997 |
| 5489727 | Isopentane disproportionation The disproportionation of isopentane(s) in the presence of hydrogen fluoride as the catalyst is improved by adding at least one C6 -C18 (preferably C6 -C8) isoalkane to the isopentane feed.... | 02/06/1996 |
| 5414184 | Alkane disproportionation C4 -C15 alkanes (preferably C4 -C8 alkanes) are disproportionated in the presence of at least one alkylaluminum chloride (preferably isobutylaluminum dichloride), at least one chloroalkane (preferably carbon tet... | 05/09/1995 |
| 5397457 | Hydrocarbon conversion process A hydrocarbon fraction, preferably in the kerosene boiling range containing a substantial proportion of C9 + hydrocarbons is contacted with an n-paraffin fraction, such as n-pentane, over a catalyst of acidic functionality, such as Pd/zeolite b... | 03/14/1995 |
| 5396016 | MCM-36 as a catalyst for upgrading paraffins There is provided a process for isomerizing and/or disproportionating a paraffin over a catalyst comprising MCM-36. Examples of paraffins which may be isomerized and/or disproportionated include those having from 3 to 10 carbon atoms. The reaction may tak... | 03/07/1995 |
| 5352812 | Metathesis of acyclic olefins using an iridium/silver catalyst composition The metathesis of functionalized and unfunctionalized acyclic olefins using catalyst compositions containing iridium and silver in a molar ration of 3 to 1.... | 10/04/1994 |
| 5171912 | Production of C5 + gasoline from butane and propane A process is disclosed that provides a high conversion of n-butane to C5 + gasoline by integrating the medium pore metallosilicate catalyzed process for fresh n-butane conversion to C5 + gasoline with a medium pore metallosilicate ca... | 12/15/1992 |
| 5099014 | Demetallizing organometallic compounds using sulphuric acid-urea adducts Compositions containing sulfuric acid and one or more of certain chalcogen-containing compounds in which the chalcogen compound/H2 SO4 molar ratio is below 2 contain the mono-adduct of sulfuric acid which is catalytically active for ... | 03/24/1992 |
| 4940829 | Hydrodemethylation of neohexane Neopentane is prepared by reaction of neohexane with free hydrogen, in the presence of the supported palladium catalyst, which preferably additionally contains nickel and/or cobalt.... | 07/10/1990 |
| 4929793 | Production of middle distillates by paraffin disproportionation Low boiling paraffinic feedstreams such as solvent raffinates and straight run naphthas are disproportionated in the presence of an intermediate pore size zeolite such as ZSM-5 under conditions of moderately elevated temperatures and pressures to produce ... | 05/29/1990 |
| 4783554 | Alkylation of amine compounds Alkylamines are self-alkylated to longer carbon chain alkylamines using a catalyst mixture comprising of aluminum chloride in combination with cobalt and/or ruthenium carbonyl.... | 11/08/1988 |
| 4781814 | Molecular sieve compositions and their use in cracking/hydrocracking Crystalline molecular sieves having three-dimensional microporous framework structure of MO2, AlO2, and PO2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydro... | 11/01/1988 |
| 4754100 | Catalytic conversion of C3 aliphatics to higher hydrocarbons An improved process is described for converting propane to more valuable hydrocarbons such as butanes and C5+ aliphatics over an acidic catalyst having the structure of ZSM-5 by adding a mono- olefin to the propane feed.... | 06/28/1988 |
