| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 02/02/2005 | CN1187300C Negative pressure adiabatic flash tank and adiabatic flash method for tar styrene recovery |
| 02/01/2005 | US6849774 Separation of dienes from olefins using ionic liquids |
| 02/01/2005 | US6849773 For feeding to an alkylation process which reacts isobutane with butene to produce isooctane; isomerization; catalytic thioetherification |
| 01/27/2005 | US20050020857 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids |
| 01/27/2005 | US20050019576 Nucleation of diamond films using higher diamondoids |
| 01/26/2005 | EP1499423A2 A separation method and separation apparatus of isotopes from gaseous substances |
| 01/26/2005 | EP1200378B1 Process for the separation of isobutene from normal butenes |
| 01/26/2005 | CN1571762A A method for processing an olefin-containing product stream |
| 01/26/2005 | CN1569782A Method for preparing isohexane solvent |
| 01/26/2005 | CN1569781A Method and device for separating 1, 2, 3-trimethylbenzene |
| 01/26/2005 | CN1186301C Method for continuous recovery of styrene from mixture containing same |
| 01/20/2005 | WO2004056728A8 Olefinic metathesis in the presence of phenolic compounds |
| 01/20/2005 | US20050014639 Hydrogenation and demetallization catalyst; heat treatment ; shaped mixture of refractory oxide and Group viii metal |
| 01/19/2005 | EP1497396A2 A process for the removal of arsine from a hydrocarbon stream with an adsorbent |
| 01/19/2005 | EP1497018A2 Polymer blends and methods of separation using the same |
| 01/19/2005 | CN1566046A Toluene selective disproportionation and carbon 9 and above arene dealkytation method |
| 01/19/2005 | CN1566045A Production process for separating ethylbenzene and ortho-xylene from mixed xylene |
| 01/19/2005 | CN1566044A Process for refining crude dicyclopentadiene |
| 01/19/2005 | CN1566042A Quenching oil viscosity breaking agent in cracking fractionator |
| 01/19/2005 | CN1565718A Paraxylene sorbent and its preparing method |
| 01/19/2005 | CN1185188C Polymerization inhibition process used in butadiene refining procedure |
| 01/19/2005 | CN1185186C Process for separating olefins from saturated hydrocarbons |
| 01/18/2005 | US6844480 Method of separating dimethyl ether from an olefin stream |
| 01/18/2005 | US6844477 Removing components from feedstock having a boiling point < the lowest boiling point tetramantane component, and heat treating to pyrolyze |
| 01/18/2005 | US6843851 Compositions comprising pentamantanes and processes for their separation |
| 01/13/2005 | WO2005003257A2 Ion exchange methods of treating a fischer-tropsch derived hydrocarbon stream |
| 01/13/2005 | WO2005003066A2 Distillation of a fischer-tropsch derived hydrocarbon stream |
| 01/13/2005 | WO2005002701A2 Catalytic filtering of a fischer-tropsch derived hydrocarbon stream |
| 01/13/2005 | WO2004081149A3 Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream |
| 01/13/2005 | WO2004080926A3 Production of linear alkyl benzene |
| 01/13/2005 | US20050010076 Process for removing polar impurities from hydrocarbons and mixtures of hydrocarbons |
| 01/13/2005 | US20050010071 Process for the utilization of refinery C4 streams |
| 01/13/2005 | DE10329042A1 Verfahren zur Herstellung von 1-Octen aus Crack-C4 A process for producing 1-octene from crack-C4 |
| 01/12/2005 | EP1285051A4 Mercaptan removal from petroleum streams |
| 01/12/2005 | EP1027312B1 Improved processes for making surfactants via adsorptive separation |
| 01/12/2005 | CN1562923A Technique for preparing m-xylene of petroleum in high purity |
| 01/12/2005 | CN1562921A New type polymerization inhibitor of ion liquid in use for preventing unsaturated compound from polymerization |
| 01/12/2005 | CN1562920A Compound of diamine disilazane and preparation method |
| 01/11/2005 | US6841714 Process for co-production of paraxylene, metaxylene and/or orthoxylene |
| 01/11/2005 | US6841508 Carbide and oxycarbide based compositions, rigid porous structures including the same, methods of making and using the same |
| 01/11/2005 | US6841061 Antigelling agent for hydrocarbon mixture containing conjugated diene and method of preventing clogging of apparatus for separating and purifying the mixture |
| 01/06/2005 | WO2005000773A1 Selective hydrocarbon hydrogenation catalyst and process |
| 01/06/2005 | WO2005000772A1 Method for producing 1-octene from crack-c4 |
| 01/06/2005 | WO2004101477A3 Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene |
| 01/06/2005 | US20050004415 Removal impurities; prevent plugging of catalyst beds; using crosslinked ion exchange resin |
| 01/06/2005 | US20050004414 Removal soluble fine particles; filtration |
| 01/06/2005 | US20050004413 Distilaltion bottoms in presence of polymerization inhibitor |
| 01/06/2005 | US20050004412 Distillation of a Fischer-Tropsch derived hydrocarbon stream |
| 01/06/2005 | US20050000899 Membrane formed from polyamides, polyimides, polypyrrole-imide copolymers |
| 01/06/2005 | US20050000862 Contacting organonitrogen compound with scavenger; binding to acid such as hydrogen chloride |
| 01/06/2005 | CA2529940A1 Selective hydrocarbon hydrogenation catalyst and process |
| 01/05/2005 | EP1493726A2 Separation of 1-butene from C4 feed streams |
| 01/05/2005 | EP1492748A1 Olefin plant refrigeration system |
| 01/05/2005 | EP1255717B1 Process for purifying a liquid hydrocarbon product |
| 01/05/2005 | CN1183070C Process for isolating cyclopentane and/or cyclopentene |
| 01/04/2005 | US6838588 Injecting feed and injecting a desorbent and delivering an extract, raffinate and an intermediate raffinate either continuously or discontinuously; distillation to obtain paraxylene; raffinate is distilled to obtain metaxylene |
| 01/04/2005 | US6838587 Method of removing oxygenate contaminants from an olefin stream |
| 12/30/2004 | US20040267078 Method of separating/purifying conjugated diene and separation/purification apparatus |
| 12/30/2004 | US20040266611 Molecular-sieve catalyst composition, its making and use in conversion processes |
| 12/30/2004 | US20040262744 Diamondoid-containing thermally conductive materials |
| 12/29/2004 | WO2004112959A2 A process and catalyst for the selective hydrogenation of diolefins contained in an olefin containing stream and for the removal of arsenic therefrom and a method of making such catalyst |
| 12/29/2004 | WO2003044125A3 A process to produce a dilute ethylene stream and a dilute propylene stream |
| 12/29/2004 | EP1490455A1 A process for obtaining high purity phenanthrene and a system thereof |
| 12/29/2004 | EP1490172A1 Treatment of acid catalysts with nitrogen compounds |
| 12/29/2004 | EP1171212B1 Solvent extraction process |
| 12/29/2004 | CN1558886A Method and apparatus for separation and refinement of conjugated diene |
| 12/29/2004 | CN1558885A Method and apparatus for separating and purifying conjugated diene |
| 12/29/2004 | CN1557793A Separation process for 1,2,3-trimethylbenzene |
| 12/29/2004 | CN1182098C Purifier and purifying method for polymerizable organic compounds |
| 12/29/2004 | CN1182087C Process for separating linear alpha olefins from a stream containing saturated hydrocarbons, internal olefins, branched olefins and linear alpha olefins |
| 12/29/2004 | CA2531079A1 A process and catalyst for the selective hydrogenation of diolefins contained in an olefin containing stream and for the removal of arsenic therefrom and a method of making such catalyst |
| 12/28/2004 | US6835288 Method for preventing undesired polymerization in a mixture of substances containing ethylenically unsaturated compounds |
| 12/28/2004 | CA2105200C Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 12/23/2004 | WO2004085353A3 Palladium-based catalyst for selective hydrogenation of acetylene |
| 12/23/2004 | WO2000043331A3 Synthesis and isomerization of 1,2-bis (indenyl) ethanes |
| 12/23/2004 | US20040260138 Containing 1-butene, trans-2-butene and cis-2-butene by passing the feed stream over a first nonacidic microcrystalline, Si-CHA or ITE, adsorber to remove trans-2-butene and then over a second AlPO or GaPO adsorber to remove 1-butene; desorption and isomerization |
| 12/23/2004 | US20040260137 Passing the conjugated olefins through a permselective membrane to contact a dienophile and form a Diels-Alder adduct; improved efficiency |
| 12/23/2004 | US20040260131 Selectively hydrogenating alkynes or diolefins to their corresponding monoolefins employing palladium-silver-alumina catalysts, impregnated with a potassium compound; in the presence of sulfurous impurities, catalyst requires a smaller increase in cleanup temperature and increased ethylene selectivity |
| 12/22/2004 | EP1487767A1 Process for producing selected phenyl-alkanes with adsorptive separation step |
| 12/22/2004 | EP1487765A1 A reactive distillation process for the alkylation of aromatic hydrocarbons |
| 12/22/2004 | EP1487282A1 A process for the preparation of tomato extracts with high content in lycopene |
| 12/22/2004 | CN1555905A Method of recovering ethylene by pressure swing adsorption |
| 12/16/2004 | WO2004108638A1 Selective hydrogenation process and catalyst therefor |
| 12/16/2004 | US20040251478 Diamondoid-containing materials for passivating layers in integrated circuit devices |
| 12/16/2004 | CA2526062A1 Selective hydrogenation process and catalyst therefor |
| 12/15/2004 | EP1485335A1 Production of alkyl aromatic compounds |
| 12/15/2004 | EP1023250B1 Process for preparing 2,6-dialkylnaphthalene |
| 12/15/2004 | CN1554331A High nurity beta-elemene medicine and its preparing method |
| 12/15/2004 | CN1179788C Unsaturated hydrocarbon selective hydrogenation catalyst, its preparation process and use thereof |
| 12/14/2004 | US6831202 Compositions comprising octamantanes and processes for their separation |
| 12/14/2004 | US6831111 Method and products to absorb oil and organic solvents from water and from sea |
| 12/14/2004 | US6830691 Using a plurality of membrane modules disposed in a first product group, a second product group, and one or more intermediate groups; very pure permeate product |
| 12/14/2004 | CA2148079C Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen |
| 12/09/2004 | WO2004106468A1 Corrosion reduction with amine scavengers |
| 12/09/2004 | US20040249233 Contacting contaminated liquid hydrocarbon fuel which contains removable DRA polyolefin containing a polar group besides carbon-carbon double bond, with one or more removal agents to produce a reduced concentration of removable DRA. |
| 12/09/2004 | US20040249228 Process for the production of triptane |
| 12/09/2004 | US20040248732 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 |
| 12/09/2004 | US20040244280 Method for improving the performance of engines powered by liquid hydrocarbon fuel |
| 12/09/2004 | DE10322655A1 Verfahren zur Gewinnung von Roh-1,3-Butadien aus einem C4-Schnitt A process for recovering crude 1,3-butadiene from a C4 fraction |
| 12/08/2004 | EP1483036A1 Heavy hydrocarbon recovery from pressure swing adsorption unit tail gas |