Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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03/23/2006 | US20060063954 Catalyst exhibits increased olefin selectivity and reduced selectivity to saturates and oligomers, such as green oil, while retaining high hydrogenation activity |
03/23/2006 | US20060060505 Catalyst and process for selective hydrogenation |
03/23/2006 | DE19745851B4 Odorierung von Acethylen Odorisation of acetylene |
03/23/2006 | DE102004036707A1 Method for the separation of carbon-hydrocarbon from liquefied natural gas comprises using a demethanizer (where the demethanizer is downstream to deethanizers) and heating of demethanizer reboilers through the deethanizer condenser |
03/23/2006 | DE102004036705A1 Separating carbon-hydrocarbon from liquefied natural gas comprises supplying the gas into demethanizer with a heat exchange (prior to supply into e.g. demethanizer head condenser) and removing methane-rich groups at the head of demethanizer |
03/22/2006 | EP1637577A2 Low pressure olefin recovery process |
03/22/2006 | EP1636325A1 Corrosion reduction with amine scavengers |
03/22/2006 | CN1750875A Esterification catalyst and process for the esterification of acids in a hydrocarbons containing feed |
03/22/2006 | CN1749226A Complex phase adsorption separating method on hydrophobic silicon zeolite for benzene di-substituted isomer |
03/22/2006 | CN1748846A Process for preparing graphite-polyvinyl alcohol osmotic evaporation film for separating benzene/cyclohexane |
03/22/2006 | CN1246271C Olefine separation method |
03/22/2006 | CN1246060C Method for avoiding polymerization generation in film-type evaporator |
03/21/2006 | CA2156632C Crystallization of 2,6-dimethylnaphthalene |
03/16/2006 | US20060058565 Method for desulphurisation of natural gas |
03/15/2006 | CN1747913A Zero-valence transition metal complex and method of synthesizing organometallic compound from the same as starting material |
03/15/2006 | CN1245519C Enzymatic process for the enantiomeric resolution of amino acids |
03/14/2006 | US7012167 Diisobutylene process |
03/14/2006 | US7011765 Heat transfer fluid based on polyphenylmethanes exhibiting improved thermal stability |
03/09/2006 | US20060052651 Process for the selective hydrogenation of olefins |
03/09/2006 | US20060048645 Process for the removal of arsine from a hydrocarbon stream with an adsorbent |
03/08/2006 | EP1385808B1 Crystallisation process for producing very pure para-xylene |
03/08/2006 | CN1745286A Hydrocarbon gas processing |
03/08/2006 | CN1244523C Sulphonation process for producing dye dispersant and concrete water reducing agent |
03/07/2006 | US7009085 Reduction of acetylene to ethylene; inorganic support, palladium component, silver component, and promoter of formula XYFn, where X is an alkali metal and Y is antimony or phosphorus |
03/07/2006 | US7008966 separating and removing slurry hydrocarbon liquid from a three phase, Fischer-Tropsch type hydrocarbon synthesis slurry using a filter having hollow filter elements arrayed across a manifold connected to a filtrate conduit; easy replacement filter |
03/02/2006 | WO2006023142A1 Selective hydrogenation catalyst designed for raw gas feed streams |
03/02/2006 | WO2006022195A1 Method for purifying material comprising organic semiconductor, method for purifying material comprising pentacene, semiconductor device, and method for fabricating the semiconductor device |
03/02/2006 | WO2005058450A3 Method and system for preventing clathrate hydrate blockage formation in flow lines by enhancing water cut |
03/02/2006 | WO2005011854A3 Process for the selective hydrogenation of phenylacetylene |
03/02/2006 | US20060047174 Process for photo-oxidative stability improvements |
03/02/2006 | DE102005004948B3 Hydrocarbon recovery, using absorbents, comprises increasing pressure of absorbents, loading absorbents into a drift column, heating hydrocarbon poor and acid gas rich component, drawing-off hydrocarbon rich and acid gas poor component |
03/02/2006 | DE102004041850A1 Verfahren zur Herstellung von C5-Aldehyden und Propen aus einem 1-Buten- und 2-Buten-haltigen C4-Strom A process for preparing C 5 aldehydes and propene from a 1-butene- and 2-butene-containing C4 stream |
03/01/2006 | EP1628941A1 Selective hydrogenation process and catalyst therefor |
03/01/2006 | EP1628940A1 Method for obtaining crude 1,3-butadiene from a c4 fraction |
03/01/2006 | CN1740123A Alkane desulfurizing process |
03/01/2006 | CN1243701C Method of joint produce pare xylene and metaxylene including two stage separation |
03/01/2006 | CN1243700C Method for separating highly branched alkane hydrocarbon using zeolite adsorbent in mixed structure |
02/23/2006 | WO2006020000A1 Use of fischer-tropsch condensate as a lean oil for heavy ends recovery from fischer-tropsch tail gas |
02/22/2006 | EP1626945A2 Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene |
02/22/2006 | EP1448283B1 Method for performing the purifying separation of crystals out of their suspension in a mother liquor |
02/22/2006 | CN1738785A Process for separating linear alpha olefins from saturated hydrocarbons |
02/22/2006 | CN1736961A Styrene separation process |
02/22/2006 | CN1242965C Method for producing isobutene and methanol |
02/21/2006 | CA2264137C Process for concurrent selective hydrogenation of acetylenes and 1,2 butadiene in hydrocarbon streams |
02/16/2006 | WO2006017557A2 Membranes for highly selective separations |
02/15/2006 | EP1414872B1 Optimization of heat removal in a gas-phase fluidized-bed process |
02/15/2006 | EP1268705B1 Heat transfer fluid based on polyphenylmethanes exhibiting improved thermal stability |
02/15/2006 | EP1062301B1 Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal |
02/15/2006 | CN1736073A 通信节点 Communication nodes |
02/15/2006 | CN1735677A Removing impurity in hydrocarbon fluid |
02/14/2006 | US6997998 Lead-and barium-free propellant charges |
02/09/2006 | WO2006014461A2 Reducing metal corrosion of hydrocarbons using acidic fischer-tropsch products |
02/08/2006 | EP1623170A2 Olefin plant refrigeration system |
02/08/2006 | CN1732139A Process for producing cumene |
02/07/2006 | US6995108 Method for producing catalysts by acid activation |
02/02/2006 | WO2006012296A2 Separation of water from a fischer-tropsch product |
02/02/2006 | US20060025647 Morphology control of substituted diacetylenic monomers for shelf life monitoring systems |
02/02/2006 | US20060025302 Selective hydrogenation catalyst designed for raw gas feed streams |
02/02/2006 | US20060021911 Extractive distillation using a selective solvent in a column having two separate regions and a lower combined region; taking a top stream of butanes off the 1st region, taking a top stream of butenes off the 2nd region, and taking more soluble C4 hydrocarbon fraction off the combined region |
02/01/2006 | EP1620375A1 Method of obtaining para-xylene |
02/01/2006 | CN1729151A Olefinic metathesis in the presence of phenolic compounds |
02/01/2006 | CN1727317A Secondary deethanizer to debottleneck an ethylene plant |
02/01/2006 | CN1239475C Process for the purification of mixtures of toluenediisocyanate |
01/26/2006 | WO2006008998A1 Method of preventing adamantane consolidation |
01/26/2006 | WO2005100287A8 Process for recovering paraxylene utilizing ammonia absorption refrigeration |
01/26/2006 | US20060020154 Reduction of the Bromine Index of linear alkylbenzenes |
01/26/2006 | US20060020089 Method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared |
01/25/2006 | EP1618082A2 Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream |
01/25/2006 | EP1617945A1 Para-xylene selective adsorbent compositions and methods |
01/25/2006 | EP1326943B1 C-nitrosoaniline compounds and their blends as polymerization inhibitors |
01/25/2006 | CN1238472C Isomerisation process |
01/25/2006 | CN1238315C Method of eliminating polyethylene from ethylene tripolymerizing reaction liquid |
01/25/2006 | CN1238313C Method for preparing isohexane solvent |
01/25/2006 | CN1238312C Inhibition of polymerization of unsaturated monomers |
01/24/2006 | US6989046 contacting acid gas containing stream from steam cracker with aqueous alkanolamine solution and hydrocarbon solvent to form mixture where hydrocarbon solvent has 60-100 volume % aromatics content and 50-85 volume % two ring aromatic content |
01/19/2006 | WO2006007066A1 Process for producing olefins |
01/19/2006 | US20060011542 Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl |
01/18/2006 | EP1615983A1 Transalkylation of aromatic fluids |
01/18/2006 | CN1723065A Extractive distillation |
01/18/2006 | CN1721380A Process for extracting 1-methylnaphthalene and 2-methylnaphthalene from tar |
01/18/2006 | CN1721024A Compound extraction and rectification method for separating diethoxymethane-ethanol-water mixed solution by charging salt |
01/18/2006 | CN1237035C A process to remove reaction by-products from a selective hydrogenation effluent stream |
01/18/2006 | CN1237034C Process for removal of allylene and allene from hydrocarbon streams |
01/17/2006 | US6987208 Process for removing oxygenates from an olefinic stream |
01/17/2006 | US6987152 removing oxygen, water impurities from olefin feed streams using packed bed system prior to polymerization |
01/17/2006 | US6986802 Selective separation of fluid compounds utilizing a membrane separation process |
01/12/2006 | US20060009670 having an improved octane rating, with a high cetane number; produced gasoline range has between 4 and 11 carbon atoms; produce in a simple and economic manner; separate the linear olefins from the branched olefins; control the proportions of gasoline according to market demands |
01/12/2006 | US20060009666 Hydrogenation of aromatics and olefins using a mesoporous catalyst |
01/12/2006 | US20060009665 Hydrogenation of aromatics and olefins using a mesoporous catalyst |
01/12/2006 | US20060009663 Hydrorefining catalysts |
01/12/2006 | US20060006113 separation loop consisting of the interconnection of a series of beds containing a solid adsorbent material forming several zones delimited by feed and solvent injection points and extraction points for discharge |
01/11/2006 | EP1613575A2 Method for removal of a solvent contained in acetylene and unit for carrying out said method |
01/11/2006 | CN1718680A Technology of low temperature separation and concentration coal layer gas to produce methane |
01/11/2006 | CN1235844C Process for purifying a liquid hydrocarbon product |
01/11/2006 | CN1235843C Method for eliminating and reclaiming naphthenic acid from oil products |
01/10/2006 | US6984766 reducing formation of polymers; alkali metal catalyst on an inorganic support is mechanically separated from the reaction mixture after the reaction and before distillation |
01/10/2006 | US6984765 Reduction of hydrocarbon oxidates in the presence of molecular sieve catalysts to form propylene, propane, water, methyl ether, methyl and/or ethyl alcohol admixtures, then recovering the hydrocarbons by pressure or temperature swing adsorption |
01/05/2006 | US20060004242 Low pressure olefin recovery process |
01/05/2006 | US20060004236 Method of separating and converting hydrocarbon composites and polymer materials |
01/05/2006 | US20060000777 Liquid-phase separation of low molecular weight organic compounds |