| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 01/06/2010 | CN100577617C Method of obtaining para-xylene |
| 01/05/2010 | US7642393 fractional distillation, filtration of benzene rich aromatics, solvent extrction, hydrogenation of benzene with hydrogen to cyclohexane; extraction solvent is selected from tetrahydrothiophene 1,1 dioxide, propylene carbonate, glycols, N-methyl pyrollidone, phenol, furfuryl, dimethylacetamide |
| 01/05/2010 | US7642390 EB/SM splitter heat recovery |
| 12/31/2009 | US20090326311 Adsorbents with improved mass transfer properties and their use in the adsorptive separation of para-xylene |
| 12/31/2009 | US20090326310 Adsorbent and process for the separation of meta-xylene from aromatic hydrocarbons |
| 12/31/2009 | US20090326309 including water in zeolite X adsorber material, for improve purification capacity and/or mass transfer and improving productivity in low temperature, low cycle time |
| 12/31/2009 | US20090326308 Binderless adsorbents comprising nano-size zeolite x and their use in the adsorptive separation of para-xylene |
| 12/31/2009 | US20090326307 from dehydrogenation system, via two product splitters (one at low pressure, one at high pressure) in parallel to separate propylene from propane |
| 12/31/2009 | US20090326306 Process for separating para-xylene from a mixture of C8 and C9 aromatic hydrocarbons |
| 12/31/2009 | US20090326305 Guard bed for removing contaminants from feedstock to a normal paraffin extraction unit |
| 12/31/2009 | US20090326295 Metathesis unit pretreatment process with formation of octene |
| 12/31/2009 | US20090326288 Method for Selective Hydrogenation of Acetylene to Ethylene |
| 12/30/2009 | WO2009156755A1 Solvent recovery from waste ink by stripping with air |
| 12/30/2009 | CN100575322C Process for extracting n-heptane for combined production of octane product by pressure swing adsorption |
| 12/30/2009 | CN100575321C Alkene separation process |
| 12/30/2009 | CN100575320C Extraction of oxygenates from a hydrocarbon stream |
| 12/30/2009 | CN100575319C Method for azeotropy dehydration for circulation solvent in extraction separation diene by C5 |
| 12/30/2009 | CN100575318C Method for recovering low carbon hydrocarbon from Fischer-Tropsch process exhaust |
| 12/29/2009 | US7638677 two different faujasites; a BaX zeolite and a KY zeolite, for separation of para-xylene from other xylenes and ethylbenzene; simulated moving bed adsorptive |
| 12/29/2009 | US7638676 bottoms stream is contacted with a selective permeation membrane to provide a normal hexane-containing permeate suitable for recycle to the isomerization; energy consumption of the deisohexanizer is reduced; octane number |
| 12/29/2009 | US7638675 improved capital and operating costs; use distillation (deisobutanizer) to recover a purified isobutane product from an isomerization effluent; allows integration of a membrane separation with a deisobutanizer to reduce reboiler duty on the deisobutanizer |
| 12/29/2009 | US7638674 Processes for the isomerization of paraffins of 5 and 6 carbon atoms with methylcyclopentane recovery |
| 12/24/2009 | US20090318744 Separation process |
| 12/23/2009 | WO2009153424A1 Method for the neutralisation of a cationic zeolite |
| 12/23/2009 | WO2009153423A1 Method for the preparation of a cationic zeolite by ionic exchange |
| 12/23/2009 | EP2134667A1 Separation of olefins from olefins/paraffins mixed gas |
| 12/23/2009 | CN101607861A Method for preparing anti-cancer drug elemene from radix curcumae |
| 12/23/2009 | CN101607859A Process employing coke-oven gas for production of methane |
| 12/23/2009 | CN100572345C Preparation of isopentane solvent for polyolefins by separation technique |
| 12/23/2009 | CN100571866C Regeneration of supported catalysts for carbon monoxide hydrogenation |
| 12/22/2009 | US7635795 Adsorptive separation of p-xylene from an aromatic hydrocarbon mixture comprising other isomers of xylene; high purity |
| 12/22/2009 | US7635462 Isostructural to ITQ-21; synthesis mixture comprising water, source of germanium, source of a tetravalent element X other than germanium, a structure directing agent such as N,N-dipropyldiclopentylammonium hydroxide |
| 12/22/2009 | CA2425240C Method and devices for producing naphthalene from coke produced from coke oven crude gas |
| 12/17/2009 | WO2009152075A2 Compositions and methods for olefin recovery |
| 12/17/2009 | US20090312511 Processes for Correlating UV-VIS Spectra of Norbornene Compound to Polymerization Processes Using the Same, and Related Purification Methods and Compositions |
| 12/16/2009 | EP2133404A1 Gas hydrate compression molding machine |
| 12/16/2009 | EP2133403A1 Method of dewatering gas hydrate and apparatus therefor |
| 12/16/2009 | CN201362704Y Marsh gas purifier |
| 12/16/2009 | CN201362665Y Reclamation device for sodium hypochlorite wastewater produced in acetylene purification |
| 12/16/2009 | CN101603055A Technique for comprehensively treating and using domestic garbage resources and special fermenting tank |
| 12/16/2009 | CN101602647A Method for removing sulphur from coking benzol |
| 12/16/2009 | CN101602642A Purificant used for desulfuration of propylene and ethylene light hydrocarbon materials and preparation method thereof |
| 12/16/2009 | CN101602641A Double-effect rectification method and system thereof for finely separating hybrid pentane isomer |
| 12/16/2009 | CN101602640A Energy-saving separation method of ethylbenzene/styrene |
| 12/15/2009 | CA2424580C C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 12/10/2009 | WO2009147100A1 Process for the manufacture of 1,2-dichloroethane and of at least one ethylene derivative compound different from 1,2-dichloroethane |
| 12/10/2009 | WO2009146984A1 Method for separating 1–butene from c4-containing hydrocarbon streams by hydroformylation |
| 12/10/2009 | WO2009146805A1 Method and system for purifying biogas for extracting methane |
| 12/10/2009 | US20090306450 Extractive distillation |
| 12/10/2009 | CA2725633A1 Method and system for purifying biogas for extracting methane |
| 12/10/2009 | CA2725067A1 Process for the manufacture of 1,2-dichloroethane and of at least one ethylene derivative compound different from 1,2-dichloroethane |
| 12/09/2009 | EP2130896A1 Process for producing mixed gas hydrate |
| 12/09/2009 | EP2130810A1 Process for the manufacture of 1,2-dichloroethane and of at least one ethylene derivative compound different from 1,2-dichloroethane |
| 12/09/2009 | CN101597205A Method for producing dicyclopentadiene from coking byproduct |
| 12/09/2009 | CN101597204A Method for extracting high-purity squalene by taking olive oil as raw material |
| 12/09/2009 | CN101596445A Method for preparing carbon molecular sieve adsorbent |
| 12/09/2009 | CN101596391A Method for pressure swing adsorption and staged concentration of low concentration gas |
| 12/09/2009 | CN100567230C Method for the production of propene from propane |
| 12/08/2009 | CA2354741C Process and apparatus for isolating organic substances from a gas mixture in which these substances are present |
| 12/03/2009 | WO2009145851A2 Systems and methods for removing impurities from a feed fluid |
| 12/03/2009 | US20090299122 Process for producing a purified hydrocarbon gas |
| 12/03/2009 | US20090299121 ITQ-26, New Crystalline Microporous Material |
| 12/03/2009 | US20090299120 Process for producing purified gas |
| 12/03/2009 | DE102008025577A1 Verfahren zum Betreiben einer Fischer-Tropsch-Synthese A method of operating a Fischer-Tropsch synthesis |
| 12/02/2009 | EP2125689A1 Method and system for separation and purification of high-purity 2,6-dimethylnaphthalene by continuous crystallization |
| 12/02/2009 | EP1873133B1 Method of purifying 2,7-dimethylnaphthalene |
| 12/02/2009 | EP1871829B1 In-can stabilizer blend |
| 12/02/2009 | CN101592432A Method for promoting hydration, solidification and separation of coal mine mash gas mixture |
| 12/02/2009 | CN101591772A Process stability of nbde using substituted phenol stabilizers |
| 12/02/2009 | CN101591555A Organic sulfur desulfurizer and preparation method thereof |
| 12/02/2009 | CN101591216A High-efficiency multi-functional polymerization inhibitor for butadiene extraction device and using method thereof |
| 12/02/2009 | CN101591215A Normal-temperature propylene refining technology and water absorbent used therein |
| 12/02/2009 | CN101591214A Ethylene unit alkaline washing tower polymer inhibitor and preparation method and application thereof |
| 12/02/2009 | CN101591213A C4 hydrocarbon deep desulfurization method and thiol and disulfide removal agent used therein |
| 12/02/2009 | CN101591212A Process for refining and removing olefin from aromatic hydrocarbon |
| 12/02/2009 | CN101590409A Lead-based de-arsenic catalyst |
| 12/02/2009 | CN100564332C Sulfonated nitrophenols as polymerization inhibition |
| 12/01/2009 | US7626069 Evaporator cleaning mixture of water, aromatic hydrocarbons and phenol; separation of high boiling and low boiling vapors; cracking using gas turbine engines |
| 11/26/2009 | US20090291872 Ionic Liquids and Methods For Using the Same |
| 11/25/2009 | EP1963339B1 Process for recycling cyclopentdienyl derivatives and preapring metallocenes from recycle, substituted cyclopentdienyl derivatives |
| 11/25/2009 | EP1601634B1 Production of linear alkyl benzene |
| 11/25/2009 | CN201351145Y Calcium carbide dust discharge device for dry-type acetylene generator |
| 11/25/2009 | CN101589007A Method of separating condensed liquid from an olefin stream |
| 11/25/2009 | CN101585748A Method for extracting methyl cyclopentadiene from hydrogenation heavy components of gasoline |
| 11/25/2009 | CN101585746A Technique for recycling light hydrocarbon from polyolefin device exhaust |
| 11/24/2009 | CA2443638C Process for improved yields of higher molecular weight olefins from lower molecular weight olefins |
| 11/18/2009 | EP2118043A2 Method of separating condensed liquid from an olefin stream |
| 11/17/2009 | US7619129 Process for the separation of olefins and paraffins |
| 11/17/2009 | US7619126 Method for obtaining crude 1,3-butadiene from a C4 fraction |
| 11/17/2009 | US7618544 fiber conduit reactor and phase transfer catalyzed reactions complement each other; wide variety of reactions e.g. biodiesel synthesis from vegetable oil and alcohol; polymer synthesis or modification, glycol synthesis; better yields, reduced by-products, reduced pollution, and reduced costs |
| 11/17/2009 | CA2421816C Methods for manufacturing olefins from lower alkanes by oxidative dehydrogenation |
| 11/17/2009 | CA2393050C Inhibition of polymerization of unsaturated monomers |
| 11/12/2009 | WO2009136985A2 System and process for producing linear alpha olefins |
| 11/12/2009 | WO2009135352A1 A plum tree extract, a method for preparing the plum tree extract and use thereof |
| 11/12/2009 | US20090281365 Absorption composition and method of removing co from streams |
| 11/12/2009 | CA2739724A1 System and process for producing linear alpha olefins |
| 11/11/2009 | CN101578251A Dual zone aromatic alkylation process |
| 11/11/2009 | CN101575262A Method for reducing content of impurities in 2-methylnaphthalene |
| 11/11/2009 | CN101575261A Method for extracting, rectifying and separating pseudocumene and indane |
| 11/11/2009 | CN101575258A Method for extracting anti-bacteria active component from Japanese retinispora |