Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
10/2005
10/19/2005EP1586568A1 Process for the treatment of sodium-containing heavy residues and fuel so obtained
10/19/2005EP1585712A1 METHOD FOR PRODUCING BUTENE OLIGOMERS AND TERT-BUTYL ETHERS FROM C sb 4 /sb FLOWS CONTAINING ISOBUTENE
10/19/2005CN1683418A Process for preparing antrodia camphorata polysaccharide and antrodia camphorata triterpene with micro-prorous adsorptive resin and its product
10/19/2005CN1683291A Production load automatic lifting method for butadiene full device
10/19/2005CN1223614C Optimization of heat removal in gas-phase fluidized-bed process
10/19/2005CN1223558C Process for producing isobutene and methanol
10/18/2005CA2076584C Process for the production of a cut which is rich in tert amylalkylether free from olefins and of a paraffinic cut rich in n-pentane
10/13/2005WO2005094418A2 Ni catalyst, process for making catalysts and selective hydrogenation process
10/13/2005US20050228206 crystallization by indirectly refrigeration cooling, or heat exchanging; savings in energy costs and reduction of undesirable emissions of carbon dioxide to the atmosphere; efficiency, environment friendly, prevent air pollution
10/13/2005US20050224394 Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process
10/12/2005CN1681754A Separation method of butenes and butanes by extractive distillation with a polar extractant
10/12/2005CN1680226A Preparation of high-purity biphenyl from coarse biphenyl
10/12/2005CN1680224A Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl
10/12/2005CN1680222A Production and apparatus for producing methane from refuse embedded gas
10/12/2005CN1680221A Production of polycyclic aromatic acetyl compounds
10/12/2005CN1680024A Method of dehalogenating hydrocarbon containing carbon-carbon double bond
10/12/2005CN1680019A Rare earth complexing adsorbent, preparation and use in olefin/paraffin separation
10/06/2005WO2005093351A1 Mixed refrigeration system in ethylene recovery
10/06/2005US20050222482 fluidized beds comprising solid adsorber layers used for separation of isomer mixtures
10/06/2005US20050222481 Process for removing contaminants from Fischer-Tropsch feed streams
10/06/2005US20050222478 longer-chain olefins production from methanol where the product stream is dewatered in successive process steps
10/06/2005US20050222474 Oxygenated hydrocarbon compositions and method for recovering the compositions
10/06/2005US20050218041 Heating the liquefied natural gas in a heat exchanger; distilling; withdrawing the heavier fraction from a bottom part of the distillation column; withdrawing a residue gas from a top part of the distillation column; liquefying the residue gas; refluxing into the distillation column
10/06/2005DE102004012751A1 Verwendung von N-Ethyl-2-pyrrolidon Use of N-ethyl-2-pyrrolidone
10/05/2005CN1678553A Phosphorous removal and diene removal, when using diene sensitive catalyst, during conversion of olefins to branched primary alcohols
10/05/2005CN1678549A Method for the production of isobutene from commercial methyl tert-butyl ether
10/05/2005CN1676500A Method for separating alpha-butylene
10/05/2005CN1221502C A method of removing polymer from and acid gas treating system
09/2005
09/29/2005WO2005091423A1 Nonaqueous electrolyte solution for lithium secondary battery
09/29/2005WO2005090887A1 Use of cryogenic temperatures in processing gases containing light components with physical solvents
09/29/2005WO2005090447A2 Use of n-ethyl-2-pyrrolidone
09/29/2005WO2005089906A1 Apparatus for concentrating methane gas
09/29/2005DE10393514T5 Stabilisierung von Produktmischungen aus der Olefinmetathese Stabilization of product mixtures of olefin metathesis
09/29/2005CA2558054A1 Process for treating a loaded solvent stream having a time-varying concentration of contaminant
09/29/2005CA2557871A1 Use of cryogenic temperatures in processing gases containing light components with physical solvents
09/28/2005EP1362160B1 Composition and method for inhibition of formation of gas hydrates
09/28/2005CN1675178A Peroxide impurities removal
09/28/2005CN1220661C Process for the purification of aromatic hydrocarbons and process for the prepn. of high-purity aromatic hydrocarbons
09/28/2005CN1220660C Intelligent control method for ethylene rectifying tower of ethylene equipment
09/22/2005WO2005087902A1 Methods for increased removal of drag reducer additives from liquid hydrocarbon fuel
09/22/2005WO2005087338A1 Process for extraction of diterpenes and triterpenes from biomaterial
09/22/2005WO2005086803A2 Method for improving the performance of engines powered by liquid hydrocarbon fuel
09/22/2005US20050209491 Ni catalyst, process for making catalysts and selective hydrogenation process
09/22/2005CA2559077A1 Process for extraction of diterpenes and triterpenes from biomaterial
09/21/2005EP1577283A1 Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl
09/21/2005EP1575885A1 Process for separating linear alpha olefins from saturated hydrocarbons
09/21/2005EP1575884A2 Multicomponent adsorption bed for the desulfurization of hydrocarbons
09/21/2005CN1671638A Continuous method for separating a c4 cut
09/21/2005CN1671637A Method for working up crude 1, 3-butadiene
09/21/2005CN1670005A Plant squalene and its preparation method
09/21/2005CN1219734C Method for preparing compound phenolhydrocarbon sodium
09/15/2005WO2005085127A1 Method for producing hydrogen and system therefor
09/15/2005WO2005084772A1 A method and apparatus for separating an oligomerization reactor effluent
09/15/2005WO2005026087A3 Separation of methanol, ethanol and/or dimethyl ether from hydrocarbon mixtures
09/15/2005US20050199548 Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl
09/15/2005US20050199482 dividing wall column enables optimum thermodynamic conditions for separation of benzene/toluene/xylene mixtures; prevents transverse mixing of the liquid and vapor streams; using a selective solvent; efficiency, reduce energy consumption
09/15/2005US20050198999 Use of cryogenic temperatures in processing gases containing light components with physical solvents
09/15/2005US20050198998 Recovery of ethylene from light gases at low temperature by use of a mixed refrigeration system comprising methane, ethylene and/or ethane, and propylene and/or propane; efficiency; provides refrigeration at lower temperature and a greater degree of control over relative cooling duties of heat exchangers
09/15/2005DE102004046042A1 Method for endo- or exo-thermic gas-phase reactions on a solid bed of porous catalyst pellets, e.g. production of phthalic anhydride by partial oxidation, involves using an ionic liquid as direct heat transfer medium
09/14/2005EP1572605A1 Purification process of aromatics
09/14/2005CN1668724A Processes for concentrating higher diamondoids
09/13/2005CA2135829C Purification of hydrocarbon streams
09/09/2005WO2005082823A1 Novel molecular compound
09/09/2005WO2005082817A1 Process for producing adamantane
09/09/2005WO2005054161A3 Method for producing paraxylene comprising an adsorption step and two isomerization steps
09/08/2005US20050197521 Flashing the effluent from trimerization of ethylene to 1-hexene into a liquid portion and a vapor portion, distillation into four major streams: product, unconverted ethylene, recovered solvent, and heavies, and recovery through side draws on the column
09/07/2005EP1569751A2 Methods for preparing catalysts
09/07/2005CN1665912A Process for the recovery of an ethylene and propylene containing stream from a cracked gas resulting from hydrocarbon cracking
09/07/2005CN1665761A Selective hydrogenation of acetylenes
09/07/2005CN1218022C Method for inhibiting plugging of conduits by gas hydrates
09/07/2005CN1217890C Stabilized compositions comprising olefins
09/07/2005CN1217888C Transfer process for multi-phase alkylate-alkyl
09/07/2005CN1217886C Method for preventing undesired polymerisation in mixture of substances containing ethylenically unsaturated compounds
09/06/2005CA2067690C Amino acid derivatives
09/01/2005US20050192175 Comprising secondary building units of a metaloxy(carbon dioxide)6 cluster with linkages of a ditopic carboxyl attached to a functionalized phenyl; permanent porousity; stability; single crystal; homogeneity; lowest density (0.41-0.21 g/cm3); high capacity for methane storage (155 cm3/cm3 at 36 atm)
08/2005
08/31/2005EP1567466A1 Method of separating olefins from mixtures with paraffins
08/31/2005EP1567447A1 Method of desulfurizing a hydrocarbon by partial oxidation
08/31/2005CN1660970A Composite solvent in use for extracting, rectifying and separating arene and method of application
08/31/2005CN1660723A Technique for recovering propylene through rectification method in low temperature
08/31/2005CN1660722A Method for separating catalytic splitting gas of enriching propylene and propane
08/31/2005CN1660481A Chemical reaction and separation method
08/31/2005CN1216837C Cry stallisation process for producing very pure para-xylene
08/31/2005CN1216835C Method for removal of polar contaminants from aromatic feedstocks
08/25/2005WO2005061420A3 Process and apparatus for the removal of nitrogen compounds from a fluid stream
08/25/2005US20050184009 continuous removal of water, which is produced as a side product, contributes to an improvement of conversion, product selectivity and catalyst life time; Fischer-Tropsch reaction mixtures, by the use of a hydroxy sodalite membrane
08/25/2005DE102004007656A1 Integrated hydrogenation and distillation of hydrocarbons, especially in olefin production, operates with the two steps functionally decoupled from each other
08/25/2005DE102004005930A1 Verfahren zur Gewinnung von Roh-1,3-Butadien A process for recovering crude 1,3-butadiene
08/24/2005EP1565249A1 Membrane separation process
08/24/2005CN1659121A EB/SM splitter heat recovery
08/24/2005CN1657513A Process for removing less acetylene from ethylene fraction
08/23/2005US6933323 2-80% non-olefins, 20-98% of which are paraffins, < 1% of oxygenates and < 10 ppm of sulfur
08/23/2005CA2244863C Hydrocarbon separation
08/18/2005WO2005075390A1 Para-xylene process using perm -selective separations
08/18/2005WO2005075389A1 Xylene process using perm-selective separations
08/18/2005WO2005075388A1 Method for obtaining raw-1,3-butadiene
08/18/2005CA2545143A1 Xylene process using perm-selective separations
08/17/2005EP1563653A2 Communications node for circuit-switched and packet-switched services
08/17/2005EP1562880A1 Process for the selective hydrogenation of alkynes
08/17/2005EP1397203B1 Method for the production of adsorption granules based on acid-activated laminar silicates and use thereof as catalyst
08/17/2005CN1215024C Process for producing low polymer of ethylene
1 ... 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 ... 139