| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 06/14/2005 | CA2101799C Process for reducing hydrate agglomeration in effluents |
| 06/09/2005 | WO2005052093A1 Selective hydrogenation of alkynes and/or diolefins and method of making a catalyst |
| 06/09/2005 | WO2005051538A1 Catalyst and process for selective hydrogenation |
| 06/09/2005 | WO2005051537A1 Catalyst and process for selective hydrogenation |
| 06/09/2005 | WO2005051536A1 Catalyst and process for selective hydrogenation |
| 06/09/2005 | WO2005026087A8 Separation of methanol, ethanol and/or dimethyl ether from hydrocarbon mixtures |
| 06/08/2005 | EP1537062A1 Selective hydrogenation of acetylenes |
| 06/08/2005 | EP1536872A2 Method of optimising the operation of a xylene separation unit using simulated countercurrent |
| 06/08/2005 | CN1625537A Method for producing selected phenylparaffin with adsorptive separation step |
| 06/08/2005 | CN1205156C Method and device for obtaining 1,3-butadiene from 1,3-raw butadiene by distillation |
| 06/08/2005 | CN1205155C Process for separating olefins from saturated compounds |
| 06/07/2005 | US6902927 Separation of enantiomers of an amino acid; obtain racemic mixture, incubate with glutaric anhydride, expose products to hydrolase, recover enantiomers |
| 06/07/2005 | US6902663 Adding to ethylenically unsaturated monomers, an effective amount of C-nitrosoaniline compounds to inhibit premature polymerization of monomers |
| 06/02/2005 | WO2005049533A1 Methods and systems of producing monoolefins by the extraction-hydrogenation of highly unsaturated hydrocarbons |
| 06/02/2005 | WO2003076053A8 A separation method and separation apparatus of isotopes from gaseous substances |
| 06/02/2005 | US20050119517 Diesel or base gasoline fuel is contacted with a nonporous or nanofiltration membrane of a crosslinked polysiloxane; the sulfur-free retenate is loaded directly onto a transport truck |
| 06/01/2005 | CN1622948A Method for the separation of acids from chemical reaction mixtures by means of ionic fluids |
| 06/01/2005 | CN1622925A Method for the separation of acids from chemical reaction mixtures by means of ionic fluids |
| 06/01/2005 | CN1621396A Method for removing di-olefin from carbon four alkylated raw material |
| 06/01/2005 | CN1621151A Method for removing dribble acetylene from raw material of ethylogen |
| 06/01/2005 | CN1204096C Variable preparing method for propylene and hexene |
| 05/31/2005 | US6899806 C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 05/26/2005 | WO2005047438A1 Removal of mercury compounds from glycol |
| 05/26/2005 | US20050113615 Catalyst and process for selective hydrogenation |
| 05/26/2005 | US20050113614 Catalyst exhibits increased olefin selectivity and reduced selectivity to saturates and oligomers, such as green oil, while retaining high hydrogenation activity |
| 05/26/2005 | US20050113613 by-product inhibition using hydrogenation catalysts on supports, formed by impregnation of transition metals on supports, contacting with nitrogen compounds and calcining; catalysts selectivity |
| 05/26/2005 | US20050113251 catalyst exhibits increased olefin selectivity and reduced selectivity to saturates and oligomers, such as green oil, while retaining high hydrogenation activity |
| 05/25/2005 | DE10350044A1 Verfahren zur Herstellung von 1-Buten A process for the preparation of 1-butene |
| 05/25/2005 | CN1203036C Pressure swing adsorption process for separating para-xylene and ethylbenzene from mixed C8 aromatic hydrocarbon |
| 05/25/2005 | CN1203035C Method for substracting hydrocarbon impurities of above C3+ from mixed acetylene gas and recovering acetylene |
| 05/19/2005 | WO2005044763A1 Light hydrocarbon separation using 8-member ring zeolites |
| 05/19/2005 | WO2005044762A1 Selective hydrogenation catalyst |
| 05/19/2005 | WO2005021471A3 System and method for purifying heptane |
| 05/19/2005 | US20050107649 Removal of acetylenes and diolefins from a monoolefin stream without fouling, and extend the hydrogenation catalyst life and increase the selectivity to monoolefins such as ethylene using a polar solvent such as N-methylpyrrolidone, formamide, sulfolane, n-formyl morpholine or triethylene glycol |
| 05/19/2005 | CA2543638A1 Light hydrocarbon separation using 8-member ring zeolites |
| 05/18/2005 | EP1530556A1 Method for the production of isobutene from commercial methyl tert-butyl ether |
| 05/18/2005 | EP1530555A1 Method for working up crude 1,3-butadiene |
| 05/18/2005 | CN1617766A Supported catalyst treatment |
| 05/18/2005 | CN1617763A Regeneration of supported catalysts for carbon monoxide hydrogenation |
| 05/18/2005 | CN1202050C Polymerization inhibiting method for ethenyl chemical compound |
| 05/17/2005 | US6894202 Method for producing 2,6-dimethylnaphthalene |
| 05/17/2005 | US6894201 Process and apparatus for the removal of nitrogen compounds from a fluid stream |
| 05/17/2005 | CA2353397C System and process for the recovery of propylene and ethylene from refinery offgases |
| 05/12/2005 | WO2005042672A1 Process for upgrading a liquid hydrocarbon stream with a non-porous or nano-filtration membrane |
| 05/12/2005 | WO2005042449A1 Method for producing 1-butene |
| 05/12/2005 | US20050101820 Carotene concentrates from palm oil esters; integrating steps of vacuum distillation, and various physical and chemical treatment and purification; yields higher carotenes concentration enriched with ubiquinones in indigenous diacylglycerols; and phospholipids enriched fraction |
| 05/12/2005 | CA2544452A1 Process for upgrading a liquid hydrocarbon stream with a non-porous or nano-filtration membrane |
| 05/11/2005 | CN1200989C Heat transfer fluid based on polyphenylmethanes exhibiting improved thermal stability |
| 05/11/2005 | CN1200919C Oxygen removing method of butadiene refining device |
| 05/10/2005 | US6890511 Crystalline aluminosilicate zeolitic composition: UZM-15 |
| 05/06/2005 | WO2005003257A3 Ion exchange methods of treating a fischer-tropsch derived hydrocarbon stream |
| 05/06/2005 | WO2004031107A8 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
| 05/05/2005 | US20050096494 Separating propylene from propane and mixtures of low molecular weight hydrocarbons using a zeolite adsorbent having a silicon dioxide/alumina ratio of 50-200, alkali metal cations balancing a framework charge, and high selectivity, adsorption capacity, and diffusion rates; noncatalytic; chabazite |
| 05/05/2005 | US20050096493 Method of removing entrained sulfuric acid from alkylate |
| 05/05/2005 | US20050096217 Selective hydrogenation catalyst |
| 05/04/2005 | EP1527036A1 Continuous method for separating a c sb 4 /sb cut |
| 05/04/2005 | CN1611467A Method for extrcting lycopene using water melon as raw material |
| 05/03/2005 | US6887442 Dehydration; using fluorinated sulfonate |
| 04/28/2005 | WO2005037739A1 Diisobutylene process |
| 04/28/2005 | WO2005037396A1 Butadiene recovery process |
| 04/28/2005 | WO2003033441A8 Method of removing dimethyl ether from an olefin stream |
| 04/28/2005 | US20050090704 Solvent extraction |
| 04/28/2005 | US20050090703 Continuous recovery of styrene from a styrene-containing mixture |
| 04/28/2005 | US20050090701 Via catalyst within boiling point reactor; vaporization; hydrorefining catalysts |
| 04/28/2005 | US20050089299 Production of olefins |
| 04/27/2005 | EP1102615B1 System for injecting a by-pass fluid in a separation method in a simulated moving bed |
| 04/27/2005 | CN1610654A System and method for purifying cumene hydroperoxide cleavage products |
| 04/27/2005 | CN1609084A Method of eliminating polyethylene from ethylene tripolymerizing reaction liquid |
| 04/27/2005 | CN1609083A Method of separating refined 1-hexene from ethylene tripolymer |
| 04/27/2005 | CN1198830C Removal of dissolved silicates from alcohol-silicon direct synthesis solvents |
| 04/27/2005 | CN1198779C Control of formation of diaryl alkane by-product in alkylation of olefines and aromatic compound by zeolite beta catalyst |
| 04/26/2005 | US6884918 For recovery of para-xylene from toluene/p-diethylbenzene |
| 04/26/2005 | CA2335568C Cascade reboiling of ethylbenzene/styrene columns |
| 04/21/2005 | WO2005035469A1 Production of 1-alkenes from mixed olefin streams using catalytic distillation |
| 04/21/2005 | WO2005035094A1 A solid-liquid separation process |
| 04/21/2005 | US20050085679 Method of removing entrained sulfuric acid from alkylate |
| 04/21/2005 | US20050085659 Process for the production of an alkenyl carboxylate or an alkyl cabroxylate |
| 04/21/2005 | CA2536060A1 A solid-liquid separation process |
| 04/20/2005 | EP1524254A1 Method for the separation of water from a reaction mixture using a hydroxy sodalite membrane |
| 04/14/2005 | WO2005032702A1 Method for separating hydrocarbon-containing gas mixtures using hydrocarbon-resistant membranes |
| 04/14/2005 | WO2005032693A2 Process for separating nitrogen from methane using microchannel process technology |
| 04/14/2005 | WO2005012211A3 Polymerization inhibitor for styrene dehydrogenation units |
| 04/14/2005 | WO2004085023A8 Low capital implementation of distributed distillation in ethylene recovery |
| 04/14/2005 | US20050080311 System and method for purifying heptane |
| 04/14/2005 | US20050080309 Production of 1-alkenes from mixed olefin streams using catalytic distillation |
| 04/14/2005 | US20050080305 Diisobutylene process |
| 04/14/2005 | US20050080304 Sulfur-free; concurrent hydrogenation of olefin and degradation of sulfur compounds using catalyst |
| 04/14/2005 | US20050080149 Removable filter for slurry hydrocarbon synthesis process |
| 04/13/2005 | EP1521817A1 Process for the recovery of an ethylene and propylene containing stream from a cracked gas resulting from hydrocarbon cracking |
| 04/13/2005 | CN1606540A Synthesis and use of dimethyl 1, 5-naphthalenedicarboxylates and intermediates therefrom |
| 04/13/2005 | CN1196655C Compositions for coating glass and the coated glass |
| 04/12/2005 | US6878855 Process for producing para-xylene |
| 04/12/2005 | US6878409 Method for producing silver salt-containing facilitated transport membrane for olefin separation having improved stability |
| 04/12/2005 | US6878350 Method for reducing organic fluoride levels in hydrocarbons |
| 04/07/2005 | WO2005030745A1 Method for producing propyleneoxide |
| 04/07/2005 | WO2005030742A1 Method for producing propyleneoxide |
| 04/07/2005 | WO2005016857A3 Method for separating hydrocarbons and use of a zeolite therefor |
| 04/07/2005 | WO2005009931A3 Method for the separation of a crude c4 cut |
| 04/06/2005 | EP1519788A1 Process for hydrogenating acetylenes |
| 04/06/2005 | CN1604816A Process for production of a prereduced selective hydrogenation catalyst |