Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
05/2007
05/30/2007CN1318545C Oil dehydrator
05/30/2007CA2568961A1 Mixture containing 1,3-butadiene and process for producing the same
05/24/2007WO2007058749A1 Membrane separation process
05/24/2007WO2007058705A1 Process for reducing bromine index of hydrocarbon feedstocks
05/24/2007WO2007058703A1 Process for reducing bromine index of hydrocarbon feedstocks
05/24/2007WO2005102969A3 Process for removing contaminants from fischer-tropsch feed streams
05/24/2007DE102005056100A1 Propane dehydrogenation comprises producing and compressing a raw gas, pre-cooling compressed gas, cryogenically fractionating gas, removing remainder gas as product, conducting feedback stream from cryogenic unit to compressor stage
05/23/2007EP1786747A2 Ni catalyst, process for making catalysts and selective hydrogenation process
05/23/2007EP1366005B1 Method for recovering crude 1,3-butadiene by extractive distillation from a c4 cut
05/23/2007CN1966692A Process for purification, pressurized storage, and transportation of marsh gas
05/23/2007CN1966479A Refining process for deeply removing high content impurity of arene
05/23/2007CN1317245C Refining method for toluene containing nitrogen and olefin
05/22/2007US7220701 Catalyst and process for selective hydrogenation
05/22/2007US7220700 improved catalyst for the selective hydrogenation of alkynes and diolefins, wherein the catalyst exhibits increased olefin selectivity and reduced selectivity to saturates and oligomers, such as green oil, while retaining high hydrogenation activity
05/18/2007WO2007056419A2 Removal of inerts from natural gas using hydrate formation
05/18/2007WO2007055690A1 A process for the selective hydrogenation of olefins
05/18/2007WO2007055357A1 Method for production of lower olefin
05/17/2007US20070112240 Molecular sieves; zeolites; catalyst regeneration
05/17/2007US20070112239 Process for reducing bromine index of hydrocarbon feedstocks
05/16/2007CN1965062A Process for the removal of sulfur-oxidated compounds from a hydrocarbonaceous stream
05/16/2007CN1962579A Method for separating carbon-containing olefin cracked product
05/16/2007CN1962573A Method and reactor for catalytic cracking for producing propylene using fluid bed
05/16/2007CN1962572A 阻聚剂 Polymerization inhibitor
05/16/2007CN1962013A Extraction distillation solvent
05/16/2007CN1315779C Nitrosophenols and C-nitrosoanilines as polymerization inhibitors
05/16/2007CN1315763C Separation of propylene from hydrocarbon mixtures
05/16/2007CN1315762C Production of olefins
05/10/2007US20070106107 Passing a stream having an isobutene over a fixed bed of an acid-free zeolite for reducing the content of oxygen-containing and/or nitrogen-containing compounds
05/10/2007US20070106102 Isobutylene
05/10/2007US20070106101 Removal of Inerts from Natural Gas Using Hydrate Formation
05/10/2007US20070102324 Process for the removal of sulfur compounds from hydrocarbon feedstocks
05/09/2007EP1218323B1 Hydrogenation of benzene to cyclohexane
05/09/2007CN1958539A Method for concentrating hexane-1 from ethylene materiel
05/09/2007CN1958538A Method of double solvents, benzene substitutive rectification for separating c9 aromatics
05/09/2007CN1958537A Technique for raising yield of installation for extracting butadiene, and capacity for producing butadiene
05/09/2007CN1958155A Selective hydrogenation catalyst of alkine and diolefin, preparation method and application
05/09/2007CN1314638C Method for processing of liquid reaction discharge of cationic polymerisation of isobutene
05/08/2007US7214846 Recovery of ethylene and propylene from a methanol to olefin reaction system
05/08/2007US7214840 alkylating benzene with a linear olefin produced by dehydrogenation of a normal paraffin to produce an alkylation effluent containing a linear alkylbenzene, benzene and said normal parffin; contacting said effluent with a catalyst comprising zeolite Y to reduce the bromine-reactive olefinic hydrocarbons
05/08/2007US7214719 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
05/08/2007CA2224011C Improved process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams
05/03/2007WO2005060635A3 Electromagnetic control of chemical catalysis
05/03/2007US20070100194 Ion exchanging; distillation
05/02/2007EP1780190A1 Method of preventing adamantane consolidation
05/02/2007CN1956939A Process for producing adamantane
05/02/2007CN1956759A Method for the distillation of product mixtures
05/02/2007CN1955151A Alpha-bulnesene, its preparation and its use
05/02/2007CN1955150A Manganese deoxidier and its preparation method and application
05/01/2007US7211706 Process for recovering hydrogen in a gaseous hydrocarbon effluent using a membrane reactor
05/01/2007US7211688 Process for the production of an alkenyl carboxylate or an alkyl carboxylate
04/2007
04/26/2007WO2007045886A1 Inhibition of polymerisation
04/26/2007WO2007045305A1 Method for oligomerization of ethylene and reactor system therefor with removal of heavy molecular weight oligomers
04/26/2007WO2007045304A1 Method for oligomerisation of ethylene and reactor system therefore with cooling device
04/26/2007WO2006035090A8 Separation method using an itq-29 zeolite material
04/26/2007DE102005050388A1 Rückgewinnungssystem für die Weiterverarbeitung eines Spaltgasstroms einer Ethylenanlage Recovery system for further processing of a cracked gas stream of an ethylene plant
04/25/2007EP1777209A1 Method for oligomerization of ethylene and reactor system therefor with removal of heavy molecular weight oligomers
04/25/2007EP1777208A1 Method for oligomerization of ethylene and reactor system therefore with cooling device
04/25/2007CN1954456A Nonaqueous electrolyte solution for lithium secondary battery
04/25/2007CN1312091C Selective nitrile separating method
04/24/2007US7208651 Directing one or both of a portion of the feed mixture and material withdrawn from the adsorption zone as a raffinate flush to flush away from the adsorbent chamber the contents of a transfer line which previously has been used to remove the raffinate stream from the adsorbent chamber
04/24/2007US7208650 Recovery of ethylene and propylene from a methanol to olefin reaction system
04/24/2007US7208648 Minimizing corrosion in a methanol-to-olefin effluent processing system
04/24/2007US7208646 Higher the flow rate, and higher the differential pressure, the higher the kinetic rate for butadiene hydrogenation to form butylenes in presence of hydrogenation catalyst
04/24/2007CA2135127C Process for the separation of oxigenated compounds from hydrocarbons, combining a distillation and a permeation step, and its use for etherification
04/19/2007WO2007042121A1 Process for the solution crystallization of mixtures
04/19/2007WO2006136255A3 Method for extracting pure styrene from a pyrolysis benzine fraction
04/19/2007WO2006133262A3 Processing unconventional and opportunity crude oils using zeolites
04/19/2007DE102005048931A1 Verfahren und Anlage zur Herstellung von C2-C4-Olefinen aus Methanol und/oder Dimethylether Process and apparatus for the production of C2-C4 olefins from methanol and / or dimethyl ether
04/19/2007CA2620011A1 Process for the solution crystallization of mixtures
04/18/2007EP1773739A1 Process for the selective hydrogenation of alkynes and/or dienes in an olefin-containing hydrocarbon stream
04/18/2007EP1773487A1 Selective hydrogenation catalyst designed for raw gas feed streams
04/18/2007CN1950657A Removing contaminants from natural gas
04/18/2007CN1948244A Technology of making refined benzene by hydrogenation, desulfur denitrogen of coking benzene
04/18/2007CN1948243A Preparation method of high viscosity index poly alpha olefine synthetic oil
04/18/2007CN1947841A Catalyst used for producing refined benzene by hydrogenation, desulfurization and denitrification of crude benzene
04/18/2007CN1310857C Separation method of butenes and butanes by extractive distillation with a polar extractant
04/18/2007CN1310856C Method for separating olefin and hydrogen from olefin-hydrogen mixture
04/18/2007CN1310855C Method for the production of at least one partial propylene oxidation and/or ammoxidation product
04/18/2007CN1310854C Low pressure separation of dimethyl ether from an olefin stream
04/17/2007US7205448 acidic molecular sieves serve as a catalyst at the elevated temperature to hydrolyze the nitrile to an amine or an amide. The basic amine or amide is then strongly adsorbed on the acidic molecular sieve
04/17/2007US7205447 contacting the product stream with a metal oxide-containing catalyst in the presence of a C1 to C6 alcohol under conditions sufficient to convert the oxygenate impurity selected from aldehyde and/or ketone to an olefin
04/17/2007US7205438 Solvent recovery blends from diene production
04/17/2007US7204927 Mixture of quaternary fatty ammonium compound, hetero-atom punctuated fatty polymer, and alkylphenol- formaldehyde resin alkoxylate; fluid catalytic cracking catalysts in oil slurries
04/17/2007CA2127904C Process and device for the separation of an unsaturated hydrocarbon from a fluid mixture with other hydrocarbons
04/17/2007CA2077635C Process and installation for the separation of paraxylene from c8 aromatic hydrocarbons by adsorption on a simulated moving bed and crystallization
04/12/2007WO2007040401A1 Method and plant for preprocessing crude methanol having a paraffin content
04/12/2007DE102005047342A1 Cryogenic fractionation of a gas mixture comprises cooling and partially condensing the gas, discharging the main gas and leading the first and second 2 carbon stream into the head of the absorbing- and rectifying- column, respectively
04/11/2007EP1335961B1 Ethylene production by steam cracking of normal paraffins
04/11/2007CN1944358A Method for recovering low carbon hydrocarbon from Fischer-Tropsch process exhaust
04/11/2007CN1309809C Process for the removal of oxygen from olefin-containing process streams
04/11/2007CN1309691C Method for working up crude 1,3-butadiene
04/11/2007CN1309473C Process for hydrogenating acetylenes
04/11/2007CN1309439C Mild distilling and separating method for mixture
04/10/2007US7202391 Adding nitrophenol compound together with (B) sulfonic acid compound for inhibiting the polymerization of an aromatic vinyl compound
04/10/2007US7202205 preparing modified alkylbenzenesulfonate surfactants or modified primary OXO alcohols and surfactants derivable therefrom, or even combinations of these different surfactant types
04/10/2007CA2186309C Method of treating sour gas and liquid hydrocarbon
04/10/2007CA2145015C Hybrid condensation-absorption olefin recovery
04/05/2007WO2007036156A1 A process for recovering lower carbon olefins from product gas for production of olefins
04/05/2007WO2007005979A3 Integrated heavy hydrocarbon removal, amine treating and dehydration
04/05/2007DE19911910B4 Verfahren zur Abtrennung von Oxygenaten aus einem Kohlenwasserstoff-Strom Process for the separation of oxygenates from a hydrocarbon stream
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