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| Number | Title | Issue Date |
| 8093438 | Process for producing 1,1 diaryl alkanes and derivatives thereof A process of producing a 1,1-diaryl alkane comprising a condensation reaction of an aromatic compound having at least one aromatic hydrogen with an acetal, in the presence of a perfluorinated sulfonic acid in polymeric form as catalyst. ... | 01/10/2012 |
| 8030532 | Method for production of styrene from toluene and syngas A method for the production of styrene comprising reacting toluene and syngas in one or more reactors is disclosed. ... | 10/04/2011 |
| 7919661 | Method for production of styrene from toluene and syngas A method for the production of styrene comprising reacting toluene and syngas in one or more reactors is disclosed. ... | 04/05/2011 |
| 7642391 | Palladium-catalyzed coupling of aryl halides with alkynes A method is provided to couple an aryl halide to an alkyne comprising reacting a compound of the formula ArX, wherein Ar is a substituted or unsubstituted aryl group and X is I or Br, with a compound of the formula HC≡C—R1 wherein R1 is a s... | 01/05/2010 |
| 7485762 | Method for preparing styrenic olefins The present invention relates to a method for preparing a styrenic olefin. The method of the present invention comprises the steps of: adding a catalyst and a solvent in a reactor and heating the reactor to create a reflux state; adding an alcohol starting material ... | 02/03/2009 |
| 7442843 | Process for producing cumene and process for propylene oxide production including the production process A process for producing cumene by subjecting cumyl alcohol to hydrogenolysis or hydrogenation subsequent to dehydration, which comprises using a palladium-based catalyst as a catalyst for the hydrogenolysis or the hydrogenation, and using hydrogen having a carbon mo... | 10/28/2008 |
| 7429683 | Process of maing naphthacene from propargyl alcohol A process for synthesizing a single isomer of a naphthacene compound comprises the steps of: (a) reacting a symmetrically substituted 1,1-diarylpropargyl alcohol compound with a reagent capable of forming a leaving group to form a ... | 09/30/2008 |
| 7381856 | Carbon-carbon cross coupling catalyzed by transition metals on solid supports The present invention provides methods of coupling carbon-containing compounds using a transition metal or transition metal complex on a solid support. The solid support can include alkaline earth metal salts, including carbonate and sulfate salts. The transition me... | 06/03/2008 |
| 7355085 | Process of making naphthacene from a propargyl alcohol A process for synthesizing a single isomer of a naphthacene compound comprises the steps of: (a) reacting a symmetrically substituted 1,1-diarylpropargyl alcohol compound with a reagent capable of forming a leaving group to form a ... | 04/08/2008 |
| 7348464 | Process for converting gaseous alkanes to liquid hydrocarbons A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over ... | 03/25/2008 |
| 7323610 | Process of making naphthacene from propargyl alcohol A process for synthesizing a naphthacene compound comprises the steps of: (a) reacting a propargyl alcohol compound with a reagent capable of forming a leaving group to form a reaction mixture containing an intermediate; and then | 01/29/2008 |
| 7323147 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is r... | 01/29/2008 |
| 7276638 | Multi-component molecular sieve catalyst compositions and their use in aromatics reactions The invention relates to a process for producing alkylated aromatic hydrocarbons, preferably with an oxygen or sulfur containing alkylating agent, in the presence of a multi-component molecular sieve catalyst composition that includes a molecular sieve and an active... | 10/02/2007 |
| 7270791 | Angular flow distribution bottom head An improved angled annular deflector for a gas-phase polymerization reactor and improved method for delivery of a stream of polymerizable fluid to a gas-phase polymerization reator. The angled annular deflector has an outer surface with a conical shape, an inner sur... | 09/18/2007 |
| 7268266 | Process for converting gaseous alkanes to liquid hydrocarbons A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over ... | 09/11/2007 |
| 7244867 | Process for converting gaseous alkanes to liquid hydrocarbons A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over ... | 07/17/2007 |
| 7232551 | Fluidized bed method and reactor for the treatment of catalysts and catalyst carriers A method for the treatment of catalysts or catalyst carriers by: a) introducing and distributing a gas in the lower section of a reactor containing a catalyst or catalyst carrier bulk material; b) forming a fluidized bed in the reactor; c) treating the particles in ... | 06/19/2007 |
| 7214843 | Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream... | 05/08/2007 |
| 7211705 | Phase selective polymer supports for catalysis Phase-selective soluble polymer supports for catalysts are described. The catalysts utilize polystyrene copolymers having enhanced solubility in nonpolar solvents. Other catalysts of the invention utilize polyisobutylene supports. Methods of catalyzing chemical reac... | 05/01/2007 |
| 7205376 | Processes for the production of cumene, polyetherimides, and polycarbonates A method for the manufacture of polycarbonate by combining methane and inlet water to produce methanol, converting the methanol to propylene, gasoline aromatics, and gasoline olefins, converting the propylene and gasoline olefins to hydrogen, first benzene, and tolu... | 04/17/2007 |
| 7195741 | Multiple riser reactor The present invention is directed to a hydrocarbon conversion apparatus. The apparatus comprises the following: a plurality of riser reactors, each of the riser reactors having a first end into which a catalyst can be fed and a second end through which the catalyst ... | 03/27/2007 |
| 7189886 | Process for producing alkylbenzene A process for producing an alkylbenzene from an alkylphenyl alcohol involving the steps of: (a) feeding a feed stream containing alkylphenyl a reactor having a catalytic distillation zone; and, (b) concurrently in the reactor ... | 03/13/2007 |
| 7132581 | Catalyst pretreatment with aldehyde in an oxygenate to olefins reaction system This invention concerns processes for converting oxygenates to olefins that include a step of pretreating catalyst used in the conversion reaction. A fresh or regenerated metalloaluminophosphate molecular sieve, which is low in carbon content, is pretreated with an ... | 11/07/2006 |
| 7128828 | Process for producing food grade wax A process for producing food grade wax which contains exceedingly low levels of nitrogen, sulfur and aromatic compounds. A waxy feedstock is firstly hydrotreated in a first hydrogenation zone to reduce the level of contaminants such as sulfur, nitrogen and aromatic ... | 10/31/2006 |
| 7122711 | Method for producing biaryl compound There is disclosed a method for producing a biaryl compound of formula (I): wherein R1 is the same or different and independently denotes a substituted or unsubstituted hydrocarbon group or the like, A... | 10/17/2006 |
| 7119239 | Manufacture of xylenes using reformate A process is provided for the production of xylenes from reformate. The process is carried out by methylating under conditions effective for the methylation, the benzene/toluene present in the reformate outside the reforming loop, to produce a resulting product havi... | 10/10/2006 |
| 7105467 | Nickel catalyzed cross-coupling reactions between organomagnesium compounds and anisole derivatives The present invention provides nickel catalysts and solvents which are useful in a cross-coupling reaction between an organomagnesium compound and an aromatic ether compound, such as an anisole derivative. ... | 09/12/2006 |
| 7102050 | Multiple riser reactor The present invention is directed to a hydrocarbon conversion apparatus. The apparatus comprises the following: a plurality of riser reactors, each of the riser reactors having a first end into which a catalyst can be fed and a second end through which the catalyst ... | 09/05/2006 |
| 7098371 | Method of hydrodechlorinating nuclear-chlorinated ortho-xylenes Method of hydrodechlorinating nuclear-chlorinated o-xylenes and recovering o-xylene, forming hydrogen chloride, the nuclear-chlorinated o-xylenes being hydrogenated in the gas phase at a noble-metal-containing catalyst at a temperature in the range from 220 to 360°... | 08/29/2006 |
| 7094941 | Selectivated metallosilicate catalyst composite for alkyl aromatic conversion, process for the preparation thereof, use thereof in hydrocarbon conversion A repeated “soak and dry” selectivation process for preparing a modified metallosilicate catalyst composite is disclosed comprising of a mixture of amorphous silica, alumina and a pore size controlled metallosilicate useful for alkylaromatic conversion. The proc... | 08/22/2006 |
| 7074979 | Processing a contaminated oxygenate-containing feed stream in an oxygenate to olefin reaction system A feed vaporization process and apparatus for oxygenate to olefin conversion is provided, which uses a vapor-liquid disengaging drum to separate non-volatiles and/or low-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is reduced ... | 07/11/2006 |
| 7053226 | Process for producing cumene A process for producing cumene, characterized by preparing a copper-based catalyst by reducing a copper-based catalyst precursor containing copper in an oxidized state with hydrogen in liquid cumene, and subjecting cumyl alcohol to hydrogenolysis in the presence of ... | 05/30/2006 |
| 7048833 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is r... | 05/23/2006 |
| 7045554 | Method for improved Fischer-Tropsch catalyst stability and higher stable syngas conversion The present invention is generally related towards methods for preparing and using a more stable synthesis catalysts. In particular, the present invention is directed towards treating synthesis catalysts with low levels of oxygen to deactivate the smaller more unsta... | 05/16/2006 |
| 7041856 | Coupling catalyst and process using the same There are disclosed a process for producing a coupling compound of formula (1): (Y—)(n−1)R1—R2—(R1)(n′−1), (1) wherein R1 and R2 | 05/09/2006 |
| 7038070 | Preparation of preparing substituted indanones A process for the preparation of indanones of the formula II from indanones of the formula I or of indanones of the formula IIa from indanones of the formula Ia comprises reacting an indanone of the formula I or Ia wit... | 05/02/2006 |
| 7022887 | Method for preparing diarylalkanes Diarylalkanes are prepared by alkylating an aromatic compound with a styrene derivative in the presence of a catalyst of specific synthetic porous crystalline material. The aromatic compound can be, for example, benzene, toluene, xylene, ethylbenzene, cumene, etc. T... | 04/04/2006 |
| 7015369 | Method for producing propylene from methanol A process for producing propylene from methanol, wherein methanol vapor is reacted on a first catalyst to obtain a first vapor mixture containing dimethyl ether (DME), which is reacted on a form-selective zeolite catalyst disposed as bed in at least two series-conne... | 03/21/2006 |
| 7012102 | Fischer-tropsch process The present invention provides a process for the conversion of synthesis gas to hydrocarbons comprising the steps of: a) contacting synthesis gas at an elevated temperature and pressure with a particulate Fischer-Tropsch catalyst in a Fischer-Tropsch reactor system ... | 03/14/2006 |
| 6989469 | Preparation method The invention pertains to a method of preparing styrene or substituted styrene involving (1) converting a mixture containing alkylbenzene hydroperoxide or substituted alkylbenzene hydroperoxide to a mixture containing phenyl alkanol or substituted phenyl alkanol and... | 01/24/2006 |
