| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 10/31/2001 | CN1073977C Purification method of phenylethylene monomer |
| 10/30/2001 | US6308532 System and process for the recovery of propylene and ethylene from refinery offgases |
| 10/25/2001 | WO2001079381A1 Method for obtaining a highly pure aromatic product consisting of benzene and toluene or toluene and xylene from a close-boiling or constant-boiling intermediate product containing non-aromatics and installation for carrying out this method |
| 10/25/2001 | WO2001079380A2 Mercaptan removal from petroleum streams |
| 10/25/2001 | CA2404902A1 Mercaptan removal from petroleum streams |
| 10/18/2001 | WO2001077270A1 Method for inhibiting the plugging of conduits by gas hydrates |
| 10/18/2001 | US20010031852 Synthesis and use of dimethyl 1,5-naphthalenedicarboxylates and intermediates therefrom |
| 10/18/2001 | CA2404784A1 Method for inhibiting the plugging of conduits by gas hydrates |
| 10/17/2001 | EP1144350A1 Selective hydrogenation process and catalyst therefor |
| 10/17/2001 | CN1317471A Coked benzene-thiophenium co-separating process |
| 10/17/2001 | CN1073069C Co-cracking of BPA and phenol process tars |
| 10/16/2001 | US6303843 Removing a sulfone from a liquid hydrocarbon mixing within a mixing zone by mixing with a liquid acid comprising hf; phase separation |
| 10/16/2001 | US6303827 Process for making aromatic aldehydes |
| 10/11/2001 | WO2001074744A1 Purification process |
| 10/11/2001 | US20010029310 Solvent extraction, distillation |
| 10/10/2001 | EP1140868A1 Process for the separation of a component from a gaseous medium and a device for carrying out the process |
| 10/10/2001 | EP1140742A1 Styrene caustic wash extraction aid |
| 10/10/2001 | EP1016626B1 Zeolite itq-3 |
| 10/10/2001 | EP0818417B1 Zeolite itq-1 |
| 10/10/2001 | CN1072709C Method for inhibition and elay forming or aggregating hydrate of production efflux material |
| 10/04/2001 | WO2001072924A1 Heat transfer fluid based on polyphenylmethanes exhibiting improved thermal stability |
| 10/04/2001 | WO2001072671A1 Process for the removal of mapd from hydrocarbon streams |
| 10/04/2001 | WO2001072415A1 Shell catalysts, method for producing the same, and the use thereof |
| 10/04/2001 | EP1137616A1 Low temperature separation of hydrocarbon gas |
| 10/04/2001 | DE10015250A1 Schalenkatalysator für die Gasphasenhydrierung Shell catalyst for the gas-phase |
| 10/04/2001 | CA2403899A1 Shell catalysts, method for producing the same, and the use thereof |
| 10/03/2001 | CN1315882A Fluid distributor-mixer-extractor and related method |
| 10/02/2001 | US6297417 Treating dried benzene feedstock with a solid acid adsorbent in a heated pretreatment zone prior to catalytic liquid phase alkylation to provide improved catalyst aging resistance |
| 10/02/2001 | US6297414 Deep selective hydrogenation process |
| 10/02/2001 | US6296755 Electrochemical process for olefin recovery using transition metal dithiolene complexes |
| 10/02/2001 | CA2169966C Isoparaffin-olefin alkylation |
| 10/02/2001 | CA2040945C Integrated adsorption process for hydrogen and hydrocarbon recovery using temperature swing step in front of pressure swing step |
| 09/27/2001 | WO2001070653A1 Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from unsaturated hydrocarbons |
| 09/27/2001 | US20010023819 Adding a glycol to an indene-containing coal tar distillate; elimination of benzonitrile; extraction with carbonate; purity |
| 09/27/2001 | DE10019196C1 Recovery of pure benzene, toluene or toluene and xylene from aromatic fraction containing non-aromatics uses on column with main zone of 2 parallel chambers for extractive distillation and extractant recovery |
| 09/26/2001 | EP0812345B1 Method for selective hydrogenation of a distillation cut of hydrocarbons |
| 09/20/2001 | DE10013253A1 Production of propene and hexene from butenes in a raffinate II C4 fraction comprises reaction with ethene on a Group VIb, VIIb or VIII metal metathesis catalyst |
| 09/20/2001 | DE10012163A1 Removal of organic acids from mono-olefin containing fractions of the Fischer Tropsch process comprises selective hydrogenation of the carbonyl groups of the acid to form an alcohol. |
| 09/19/2001 | EP1134271A2 Process for producing propene and hexene |
| 09/19/2001 | EP1133461A1 A process for blending petroleum oils to avoid being nearly incompatible |
| 09/19/2001 | EP1133460A1 Stablised compositions comprising olefins |
| 09/19/2001 | EP0994931B1 Removal of benzene from organic streams using cyclodextrins |
| 09/19/2001 | EP0804394B1 Method for producing para-xylene by high-temperature crystallisation in at least one stage and partial crystal fusion |
| 09/19/2001 | CN1313269A Process for separating high-purity meta-tritoluene by reforming diarylhydrocarbon |
| 09/18/2001 | US6291735 Chilling an indene stock comprising distilled coal tar fraction and/or distilled petroleum fraction; subjecting cooled indene stock to solid-liquid separation in centrifugal separator to eliminate impurities and to provide pure indene |
| 09/18/2001 | US6291734 Integrated low pressure depropanizer/debutanizer column |
| 09/18/2001 | US6290876 Styrene caustic wash extraction aid |
| 09/13/2001 | US20010020580 Process for isolating cyclopentane and/or cyclopentene |
| 09/12/2001 | EP1132452A2 Process for production of indene from coal tar distillate |
| 09/11/2001 | US6288299 Method for eliminating inhibitors of polymerization of monomer mixtures using an optimized alumina |
| 09/11/2001 | US6288040 Medicament excipient particles for tissue-specific application of a medicament |
| 09/11/2001 | US6287483 Mixing with aminopyrrolidine compound |
| 09/07/2001 | WO2001064609A1 A method for removing polymer from an acid gas treating system |
| 09/07/2001 | WO2001064606A1 Method of continuously and selectively separating clathrate and apparatus therefor |
| 09/06/2001 | DE10038318C1 Separation of aromatic hydrocarbons, useful in synthesis, by extractive distillation of mixture and distillation from solvent in sump product includes purification by dispersing aqueous solution in vapor, condensation and phase separation |
| 09/05/2001 | EP1129753A1 Method and apparatus for the improved purification of vinyl aromatic compounds |
| 09/05/2001 | EP1089957A4 Production of high purity meta-xylene |
| 09/05/2001 | EP0880487B1 Separation process in which a membrane is used |
| 09/05/2001 | CN1311178A Continuous selection wraping separation method and equipment therefor |
| 09/04/2001 | US6284936 Styrene monomer polymerization inhibition using substituted dihydroxyarenes and nitroxides |
| 08/30/2001 | WO2001062691A1 Process for producing para-xylene |
| 08/30/2001 | CA2394378A1 Process for producing para-xylene |
| 08/29/2001 | EP1127099A1 Ph control method of reducing nitrogen oxides emission |
| 08/29/2001 | EP1127040A1 Methods and compositions for inhibiting polymerization of ethylenically unsaturated hydrocarbons |
| 08/28/2001 | US6281406 Adsorption process for paraxylene purifacation using Cs SSZ-25 adsorbent with benzene desorbent |
| 08/28/2001 | US6281405 Alkylation process using membrane for recovery of halides |
| 08/23/2001 | WO2001060949A1 Process for purifying a liquid hydrocarbon fuel |
| 08/23/2001 | WO2001060771A1 Process for purifying a liquid hydrocarbon product |
| 08/23/2001 | US20010015334 Composite separation membrane for the separation of alkene-series hydrocarbons, consisting of a porous supported membrane and a polymeric electrolyte layer consisting of nonvolatile polymer and a transition metal salt |
| 08/23/2001 | DE10038320C1 Purification of hydrocarbon vapor containing acids or bases comprises dispersing aqueous solution into it, condensing aerosol formed and separating into pure hydrocarbon emulsion and second emulsion containing impurities |
| 08/23/2001 | CA2399975A1 Process for purifying a liquid hydrocarbon fuel |
| 08/23/2001 | CA2399798A1 Process for purifying a liquid hydrocarbon product |
| 08/22/2001 | EP1124778A1 Method for selective adsorption of dienes |
| 08/22/2001 | EP0853593B1 Synthetic porous crystalline mcm-61, its synthesis and use |
| 08/22/2001 | CN1309578A Cascade reboiling of ethylbenzene/styrene columns |
| 08/21/2001 | US6278035 Cooling residue to partially condense it; cooling second part of first liquid containing ethane and ethylene and combining with partially condensed second residue stream resulting in third liquid stream and vapor; dividing; supplying; recovering |
| 08/21/2001 | CA2235883C Propane recovery process |
| 08/21/2001 | CA2194076C Process and device for selective hydrogenation by catalytic distillation including a reaction zone with an ascending cocurrent flow of liquid and gas |
| 08/16/2001 | WO2001059534A1 Heat and material balance method of process control for petrochemical plants and oil refineries |
| 08/16/2001 | WO2001058839A1 Process to recover condensable gases from oxygen containing mixtures |
| 08/16/2001 | US20010014766 Process for separating linear alpha olefins from a crude stream containing saturated hydrocarbons, Internal olefins, branched olefins, and linear alpha olefins |
| 08/16/2001 | EP0937016B1 Hydrocarbon gas processing |
| 08/16/2001 | DE10005722A1 Verfahren zur Tieftemperaturzerlegung eines im wesentlichen aus Wasserstoff, Methan und C3-, C4- oder C3/C4-Kohlenwasserstoffen bestehenden Stromes Process for the cryogenic separation of a substantially consisting of hydrogen, methane, and C3, C4 or C3 / C4 hydrocarbons stream |
| 08/09/2001 | DE10004758A1 Isolating high-boiling monomers from butadiene cyclo-oligomerization residues, for use e.g. in perfumes, involves extraction with non- or slightly-polar solvent, filtration from insolubles and distillation |
| 08/08/2001 | EP1122231A1 Process for the recovery of high boiling components from the cyclooligomerisation of butadiene-1,3 |
| 08/08/2001 | EP1109607A4 Cascade reboiling of ethylbenzene/styrene columns |
| 08/07/2001 | US6271434 Contacting a feedstock comprising olefins and saturated hydrocarbons with a linear polyaromatic compound |
| 08/07/2001 | US6271428 Selective hydrogenation of trace quantities of acetylene compounds contained in a stream of diolefins by simultaneously contacting the selective catalyst with a diolefin feed, hydrogen and a polymer solvent |
| 08/03/2001 | CA2333796A1 Process for the isolation of high boilers from the cyclooligomerization of 1,3-butadiene |
| 08/01/2001 | EP1119533A1 Styrene monomer polymerization inhibition using substituted dihydroxyarenes and nitroxides |
| 07/31/2001 | US6268542 Multi-phase alkylation-transalkylation process |
| 07/26/2001 | WO2001053235A1 Inhibition of polymerization of unsaturated monomers |
| 07/26/2001 | US20010009968 Methods and compositions for inhibiting polymerization of ethylenically unsaturated hydrocarbons |
| 07/26/2001 | CA2395620A1 Inhibition of polymerization of unsaturated monomers |
| 07/25/2001 | EP0906257B1 Mixtures containing monomers and stabilizers |
| 07/24/2001 | US6264799 Process for isolating cyclopentane and/or cyclopentene |
| 07/19/2001 | WO2001051450A2 Synthesis and use of dimethyl-1,5-naphthalenedicarboxylates and intermediates therefrom |
| 07/19/2001 | WO2001051201A1 Carbide- and oxycarbide-based compositions, rigid porous structures including the same, and methods of making and using the same |
| 07/19/2001 | US20010008220 Adsorption |
| 07/19/2001 | US20010008073 Cryogenic fractionation of gaseous hydrocarbon feeds to extract and recover the valuable heavier components thereof. |