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Matches 351 - 400 out of 4,765

Document Document Title
WO/2006/090411A1
A process for the preparation of n-heneicosane is disclosed. The process comprises (a) reacting 2,4-alkaneanedione with 1-bromooctadecane in absolute ethanol in the presence of 18-crown-6 as catalyst to produce 2-heneicosanone; and (b) r...  
WO/2006/087971A1
Disclosed is an industrially advantageous process for producing an aromatic compound by means of a catalytic reaction of a lower hydrocarbon. The process comprises: a methanization step where a hydrogen-containing gas is allowed to conta...  
WO/2006/070516A1
An ethylene-containing olefinic gas whose main component is propylene and/or butene is produced from at least one member selected from among methanol and dimethyl ether. The resultant olefinic gas together with a gas produced by olefin c...  
WO/2006/052859A2
The present invention relates to methods for the in-situ treatment of ACM containing chrysotile asbestos using a polycarboxylic acid such as oxalic acid. The polycarboxylic acid is introduced to the ACM while it remains substantially in ...  
WO/2006/052455A2
A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of one or more ion-pair amphiphiles, wherein the ion-pair amphiphiles are composed of one or more c...  
WO/2006/038766A1
The present invention relates to a refrigerant mixture for substituting R502, R22 or R12 used in a vapor compression refrigerator or air conditioner and a refrigeration system using the same. More specifically, the present invention rela...  
WO/2006/030828A1
An olefin-containing gas comprising propylene and/or butene as a major ingredient and containing ethylene and pentene is produced from at least one of methanol and dimethyl ether. The olefin-containing gas obtained and the gas obtained i...  
WO2005058450A3
The present invention includes a method for inhibiting hydrate formation blockage in a flow line [40] used to transport hydrocarbon containing fluids. Water is added [46] to a hydrocarbon containing fluid to produce a water cut enhanced ...  
WO/2006/016583A1
A synthesis gas is produced from a raw material gas containing a carbon-containing raw material such as natural gas and a carbon dioxide-containing gas which is separated from a reaction product gas obtained by dimethyl ether synthesis r...  
WO/2006/009229A1
A solid phosphoric acid catalyst which attains high activity and dimer selectivity in olefin dimerization reactions; and efficient methods for olefin dimerization which comprise using the catalyst. The solid phosphoric acid catalyst comp...  
WO/2005/119371A1
The present invention is drawn to the use of alkanes that are highly transparent to UV wavelengths ranging from about 170 nm to 260 nm in optical couplants, optical cements, optical elements, optical inspection media for semiconductor wa...  
WO/2005/116399A1
A method for inhibiting formation of hydrocarbon hydrates in mixtures of water and a hydrate-forming guest molecule involves adding an ion pair to the mixtures in an amount effective to inhibit formation of the hydrocarbon hydrates under...  
WO2004031329A8
The present invention relates to fully formulated lubricants comprising poly alpha-olefins (PAOs), prepared from a mixed alpha-olefin feed, which exhibit superior Noack volatility at low pour points, and methods for preparing the fully f...  
WO/2005/089906A1
An apparatus for concentrating a methane gas, characterized in that it comprises an absorbing section wherein a digested gas containing a methane gas and carbon dioxide is supplied to a porous hollow yarn and carbon dioxide is dissolved ...  
WO/2005/077865A1
The present invention discloses a process for the synthetic generation of methane from a feed gas mixture comprising carbon monoxide, hydrogen and water vapour and optionally aromatic hydrocarbons; said process comprising the steps of: a...  
WO2004078126A3
Novel quinone and catechol compositions, compositions containing prodrugs of quinone and catechol compositions, and methods of use for the treatment of solid tumor cancers and other vascular proliferative disorders. The disclosure partic...  
WO/2005/070854A1
Disclosed a solid acid catalytic process for alkylating aromatic hydrocarbons or isomeric paraffins with olefins, which features that the solid acid catalyst contacts with a compound having strong electrically negative element, followed ...  
WO/2005/058450A2
The present invention includes a method for inhibiting hydrate formation blockage in a flow line [40] used to transport hydrocarbon containing fluids. Water is added [46] to a hydrocarbon containing fluid to produce a water cut enhanced ...  
WO/2005/056503A1
The present invention relates to a) a catalytic composite comprising a support structure and a catalytic species that is deposited on the support structure, b) a process for the selective oligomerization of lower alkenes and mixtures of ...  
WO2003076053A8
A isotopic gas of high purity is obtained at low cast, wherein for example, in a case of separating <13>CH4 from methane gas and obtaining <13>CH4 of high purity, the enrichment of <13>CH4, using the difference in adsorption of <12>CH4 a...  
WO/2005/049766A1
The invention relates to a method for isomerising typically paraffinic hydrocarbon fractions having 5-7 carbon atoms consisting in using a membrane separation unit which is supplied by an overhead flux from a deisohexaniser which makes i...  
WO/2005/037739A1
This invention is a process for producing diisobutylene from isobutylene. The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid-type ion exchange resin. The oligomerization step is followed by conta...  
WO2005023733A3
The present invention relates to a process for the production of branched chain hydrocarbons from methanol and/or dimethyl ether, which process comprises contacting, in a reactor, methanol and/or dimethyl ether with a catalyst comprising...  
WO/2005/023733A2
The present invention relates to a process for the production of branched chain hydrocarbons from methanol and/or dimethyl ether, which process comprises contacting, in a reactor, methanol and/or dimethyl ether with a catalyst comprising...  
WO2002100808A3
The present invention relates to a continuous alkylation process wherein an alkylatable compound is reacted with an alkylation agent in the presence of a solid acid alkylation catalyst to form an alkylate and wherein the catalyst is rege...  
WO/2005/005567A1
A method for inhibiting the formation of gas hydrates in a petroleum fluid having hydrate-forming constituents is claimed. More specifically, the method can be used to treat a petroleum fluid, such as natural gas conveyed in a pipe, to i...  
WO2003044125A3
A process is provided to produce a dilute ethylene stream and a dilute propylene stream to be used as feedstocks for producing olefin-based derivatives. Specifically, the dilute ethylene stream is used as a feedstock to produce ethylbenz...  
WO2003076053A3
A isotopic gas of high purity is obtained at low cast, wherein for example, in a case of separating <13>CH4 from methane gas and obtaining <13>CH4 of high purity, the enrichment of <13>CH4, using the difference in adsorption of <12>CH4 a...  
WO2003083015A3
A process for the removal of arsine (AsH3) from a hydrocarbon stream, having an atmospheric boiling point lower than about 0 °C, by contacting the hydrocarbon stream with an adsorbent that contains elemental sulphur deposited on a suppo...  
WO2004065337A3
The refrigeration system for an ethylene plant comprises a closed loop tertiary refrigerant system containing methane, ethylene and propylene. The tertiary refrigerant from a compressor final discharge is separated into a methane-rich va...  
WO/2004/089540A1
A catalyst for producing a hydrocarbon from a synthesis gas is characterized in that the catalyst is composed of a catalyst carrier supporting a metal compound and the impurity content of the catalyst is from 0.01 mass% to 0.15 mass%. A ...  
WO/2004/083159A1
Methanol and methane are produced by subjecting minute ZnO particles to vacuum heat treatment at 400°C for 4 hours to activate the particle surfaces, bringing the activated particles into contact with saturated steam at 20°C, and irrad...  
WO/2004/078126A2
Novel quinone and catechol compositions, compositions containing prodrugs of quinone and catechol compositions, and methods of use for the treatment of solid tumor cancers and other vascular proliferative disorders. The disclosure partic...  
WO/2004/065337A2
The refrigeration system for an ethylene plant comprises a closed loop tertiary refrigerant system containing methane, ethylene and propylene. The tertiary refrigerant from a compressor final discharge is separated into a methane-rich va...  
WO2003024605A3
In an undersea system, an aqueous liquid stream (14) is used to separate carbon dioxide (CO2) from hydrocarbon asset (10). The carbon dioxide is subsequently disposed in the sea (18) or underground (20).  
WO2004031329A3
The present invention relates to fully formulated lubricants comprising poly alpha-olefins (PAOs), prepared from a mixed alpha-olefin feed, which exhibit superior Noack volatility at low pour points, and methods for preparing the fully f...  
WO/2004/033399A1
The present invention relates to a process for the manufacture of paraffinic hydrocarbons, which can be used as gasoline blending components. The obtained gasoline blending component is substantially free of sulphur compounds. The proces...  
WO/2004/031329A2
The present invention relates to fully formulated lubricants comprising poly &agr -olefins (PAOs), prepared from a mixed &agr -olefin feed, which exhibit superior Noack volatility at low pour points, and methods for preparing the fully f...  
WO2003040261A3
The present invention provides an upgraded synthetic gasoline having a true boiling point (TBP) range of between 50°C-300°C, a sulphur content of less than 1ppm, a nitrogen content of less than 1ppm, an aromatics content of between 0.0...  
WO/2004/013042A1
The present invention relates to new crystalline molecular sieve SSZ-64 prepared using a N-cyclobutylmethyl-N-ethylhexamethyleneiminium cation or N-cyclobutylmethyl-N-ethylheptamethyleneiminium cation structure directing agent, methods f...  
WO/2004/002927A1
The invention concerns a process for the preparation of hydrocarbons and generation of heat of carbon monoxide and hydrogen in the presence of a catalyst at elevated temperature and pressure in at least two stages which comprises: (i) in...  
WO2002098925A8
The invention relates to a method for the transfer of hydrogen to chemical compounds, whereby the hydrogen transfer is carried out in supercritical or subcritical phases by using stabilised and dispersed metal particles. The invention fu...  
WO2003037835A3
The invention relates to a method for eliminating polarizable impurities from hydrocarbons and hydrocarbon mixtures by using ionic liquids as an extraction medium, in order to reduce the degree of impurity of the hydrocarbon or hydrocarb...  
WO/2003/104171A1
The invention relates to a process for producing ethane comprising contacting methane with a metal catalyst selected from metal hydrides, metal organic compounds and mixtures thereof. It also relates to a process for the conversion of me...  
WO2003040067A3
A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbon liquid, which comprises the slurry liquid, in one or m...  
WO/2003/097565A1
Unreacted syngas containing CO2 from Fisher-Tropsch synthesis reactor, a methanol synthesis reactor or a dual functional syngas conversion is scrubbed with an aqueous medium to absorb at least some of the CO2. At least a portion of the u...  
WO2003064034A3
There is provided a process for regenerating the activity of used metal catalysts for the hydrogenation of carbon monoxide comprising decreasing the hydrocarbon content thereof, calcining under an oxidant-containing atmosphere, impregnat...  
WO2002096842A3
The invention relates to a novel and completely synthetic microcrystalline paraffin, said paraffin being obtained in a simple manner and with a high yield by the catalytic hydromerisation of paraffin FT comprising 20 to 105 carbon atoms....  
WO/2003/093202A1
Disclosed is a continuous method for obtaining butenes from a C4 fraction containing butane, butene, and other C3-C5 hydrocarbons by means of extractive distillation with the aid of a selective solvent (LM). A first step (I) of the inven...  
WO/2003/089134A1
The invention focuses on distributing the vapor/liquid flow that emerges from an inlet nozzle (23) across the tube sheet (24b) of an alkylation reactor or heat exchanger. The flow distributor (50) takes the two-phase flow that emerges fr...  

Matches 351 - 400 out of 4,765