| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 04/23/2008 | CN100383096C Extraction of oxygenates from a hydrocarbon stream |
| 04/22/2008 | US7361800 Process for the separation of olefins from paraffins using membranes |
| 04/22/2008 | US7361799 Production of acyclic unsaturated hydrocarbons such as ethylene and/or propylene from hydrocabon oxidates |
| 04/17/2008 | WO2008045730A1 Benzene removal from fcc naphtha |
| 04/17/2008 | DE102006048135A1 Production of hydrocarbons in an olefin plant, involves prevention of fouling by recycling hydrocarbon fractions, e.g. to lower the pour point of heavy oils, as separator input or as scrubbing medium |
| 04/16/2008 | EP1363866B1 Method and apparatus for the preparation of triptane and/or triptene |
| 04/16/2008 | CN101163736A In-can stabilizer blend |
| 04/16/2008 | CN101163655A Biofuel conversion process |
| 04/16/2008 | CN100381407C Deactivation of complex organometallic catalyst of homogenous process, and isolation from reaction mass |
| 04/15/2008 | US7358414 from a fluid mixture of aromatic compounds using polymeric membranes coupled with recovery of purified aromatic isomers by means of fractional crystallization and/or selective sorption |
| 04/15/2008 | US7357902 Contacting the gas mixture with a catalyst in a reaction zone under conditions to oxidize hydrogen and to oxidize carbon monoxide and without significant hydrogenation of the at least one olefin, wherein the catalyst comprises tin and a supported metal or oxide of a metal |
| 04/10/2008 | US20080086021 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 |
| 04/10/2008 | US20080086020 C6 fraction containing a benzene concentrate is subjected to etherification with alcohol (e.g. methanol and/or ethanol) to convert the C6 isoolefins to ethers which are separated by fractional distillation, hydrotreating organic sulfur compounds and ofefins, benzene is removed by solvent extraction |
| 04/10/2008 | US20080083606 Separation of acids from chemical reaction mixtures by means of ionic liquids |
| 04/09/2008 | EP1907779A1 Recovery of co-rich product from a mixed gas containing heavy hydrocarbons |
| 04/09/2008 | EP1907778A1 Recovery of carbon monoxide and hydrogen from hydrocarbon streams |
| 04/09/2008 | EP1907342A1 Method for obtaining cyclododecatriene by evaporation |
| 04/09/2008 | CN101160276A Branched olefin compositions |
| 04/09/2008 | CN101160275A Solvent extraction of butadiene |
| 04/09/2008 | CN100379843C A process for the removal of arsine from a hydrocarbon stream with an adsorbent |
| 04/08/2008 | US7355087 Isomerization, separation using catalyst; liquid phase |
| 04/03/2008 | US20080081939 dimerization of butene selectively to octene, in the presence of catalysts; efficiency |
| 04/02/2008 | CN201043161Y Arene extraction system |
| 04/02/2008 | CN101152994A Method for refining carbonization crude benzole |
| 04/02/2008 | CN100378205C Process for reducing contents of components above C3 in dry gas |
| 04/02/2008 | CN100378197C Catalytic hydrocarbon recombinant treating method |
| 04/02/2008 | CN100378048C Method of extracting, rectifying and separating aromatic hydrocarbons and extracting and rectifying apparatus |
| 04/02/2008 | CN100378046C Method for producing benzene aromatic hydrocarbon from crude benzole |
| 04/02/2008 | CN100378045C Process for the separation of olefins and paraffins |
| 04/01/2008 | US7351873 Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture |
| 04/01/2008 | US7351339 Using an auxiliary base to form a salt with the acid which is liquid at low enough temperature so that value product does not decompose during the removal of the liquid salt; e.g. acid catalyst removal; ionic liquids |
| 04/01/2008 | CA2299985C Integrated deethanizer ethylene fractionation column |
| 04/01/2008 | CA2272225C Method for treating an organic liquid contaminated with an iodide compound |
| 03/27/2008 | WO2008036913A2 Mixed matrix adsorbent for para-xylene separation |
| 03/27/2008 | WO2008034473A1 Method and device for separating methane and carbon dioxide from biogas |
| 03/27/2008 | WO2007073918A8 Improved process for the dehydrogenation of alkyl-aromatic hydrocarbons for the production of vinyl-aromatic monomers |
| 03/27/2008 | WO2007063915A8 Process for production of gas hydrate |
| 03/27/2008 | US20080076952 Mixed matrix adsorbent for para-xylene separation |
| 03/27/2008 | DE102005023601B4 Verfahren zur kontinuierlichen oder teilkontinuierlichen Konvertierung von fett- oder ölhaltigen Roh- und Abfallstoffen in Gemische mit hohem Kohlenwasserstoffanteil, mit diesem Verfahren hergestellte Produkte und deren Verwendung Process for the continuous or part continuous conversion of fat or oil-containing raw and waste materials in mixtures with high hydrocarbon content, this method produced products and their use |
| 03/27/2008 | CA2663832A1 Method and device for separating methane and carbon dioxide from biogas |
| 03/26/2008 | EP1527036B1 Continuous method for separating a c sb 4 /sb cut |
| 03/26/2008 | EP1397209B1 Process for the purification of ethylene |
| 03/26/2008 | CN101151080A Method and apparatus for crystallization of organic compound through adiabatic cooling |
| 03/26/2008 | CN101151079A Method and apparatus for crystallization of organic compound through adiabatic cooling |
| 03/26/2008 | CN101148392A Extraction and separation method for hydrocarbons mixture based on ionic liquor |
| 03/26/2008 | CN101148390A Technique for extracting high-pure normal hexane product by pressure swing adsorption |
| 03/26/2008 | CN101148388A Process for the preparation of adamantanes |
| 03/26/2008 | CN101148387A Process for the preparation of adamantanes |
| 03/26/2008 | CN101148386A Process for the preparation of adamantanes |
| 03/26/2008 | CN100376519C Process of preparing squalene |
| 03/26/2008 | CN100376518C Process and apparatus for producing reagent methylbenzene by coking toluene |
| 03/25/2008 | US7348466 Solvent extraction |
| 03/20/2008 | WO2008033407A1 Methods for purifying alkane liquids |
| 03/20/2008 | WO2008033200A1 Process for producing para-xylene |
| 03/20/2008 | US20080071128 Method of making porous crystalline materials |
| 03/20/2008 | DE102006040431A1 Verfahren zur Spaltung von MTBE A process for the cleavage of MTBE |
| 03/19/2008 | CN101143802A Technique for processing heavy benzene |
| 03/19/2008 | CN100375739C Process of eliminating and recovering naphthenic acid from oil product |
| 03/19/2008 | CN100375735C Method for the separation of a crude C4 cut |
| 03/18/2008 | CA2256379C Substance mixtures comprising vinyl-containing compounds and stabilizers |
| 03/13/2008 | WO2007113085A3 Method for producing propene from propane |
| 03/13/2008 | US20080064912 Process for Preparing a Layered Molecular Sieve Composition |
| 03/13/2008 | US20080064907 Hydrogenation of the unsaturated species in a liquid alkane mixture to a hydrogenated alkane composition; filtering the reaction product; contacting the filtrate with an adsorbent |
| 03/12/2008 | EP1896387A1 Ortho-nitrosophenols as polymerization inhibitors |
| 03/12/2008 | CN101139243A Method for reclaiming terpenes during perfluoroethylene production process |
| 03/12/2008 | CN101139239A Sulfur-resistant catalytic deoxidization process for methane-rich gas |
| 03/12/2008 | CN101139238A Coking benzene hydrogenation desulfurization method |
| 03/12/2008 | CN101139237A Separating process for olefin-containing gas |
| 03/12/2008 | CN100374399C Process of obtaining element |
| 03/12/2008 | CN100374198C Method of dehalogenating hydrocarbon containing carbon-carbon double bond |
| 03/11/2008 | US7342145 Process for refining liquefied petroleum gas in a commercial scale |
| 03/06/2008 | DE102006040787A1 Preventing plugging of a dryer for drying a hydrocarbon gas in an olefin plant comprises passing the gas through an absorber upstream of the dryer |
| 03/06/2008 | DE102006040434A1 Verfahren zur Spaltung von MTBE A process for the cleavage of MTBE |
| 03/06/2008 | DE102006039906A1 Producing propylene from ethylene and butene by metathesis comprises using a 1-butene feed produced by oligomerization of ethylene |
| 03/06/2008 | DE102006039905A1 Producing propylene from butene and ethylene by metathesis comprises using a mixture of a butene fraction separated from a catalytic cracking process and a butene fraction produced by oligomerization of ethylene |
| 03/05/2008 | EP1893554A2 Method for extracting pure styrene from a pyrolysis benzine fraction |
| 03/05/2008 | CN101134703A Process for skellysolve C abstraction with combined production of octane product by pressure swing adsorption |
| 03/04/2008 | US7339088 Alkylbenzene refining process and apparatus |
| 03/04/2008 | US7337631 Use of cryogenic temperatures in processing gases containing light components with physical solvents |
| 02/28/2008 | WO2008023871A2 Process for co-production of isopropanol and normal paraffins having high purity |
| 02/28/2008 | WO2008023051A1 Method for the elimination of oxygen, nitrogen oxides, acetylenes, and/or dienes from hydrogen-rich olefin-containing gas mixtures |
| 02/28/2008 | US20080051619 Olefin-Separation Process |
| 02/28/2008 | DE102006039904A1 Propene preparation by metathesis of butenes and ethene in steam cracking plant, uses butene starting material obtained by combining steam cracking product with ethene oligomerization product |
| 02/28/2008 | DE102006039902A1 Propene preparation by metathesis of butenes and ethene, includes pretreatment of butenes by selective hydrogenation and fractionation to increase 2-butene content and yield of propene |
| 02/28/2008 | CA2660334A1 Method for the elimination of oxygen, nitrogen oxides, acetylenes, and/or dienes from hydrogen-rich olefin-containing gas mixtures |
| 02/27/2008 | EP1890791A1 Process for the removal of contaminants |
| 02/27/2008 | CN101130481A Process for the separation of 2, 6- isopropyl naphthalene and 2, 7- isopropyl naphthalene |
| 02/27/2008 | CN101130479A Technique for extracting low phenanthrene and anthracene oil from distillation of coal oil and anthracene oil |
| 02/27/2008 | CN100371305C Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream |
| 02/26/2008 | CA2175969C Bf3 removal from bf3 catalyzed olefin oligomer |
| 02/21/2008 | WO2006049925A3 Catalyst combination for the hydroisomerization of waxy feeds at low pressure |
| 02/21/2008 | US20080045768 crystalline MCM-22 family molecular sieve containing mixed oxide of silicon, aluminum, alkali or alkaline metal oxide, water, N,N,N,N'N'N'-hexamethyl-1,5pentanediaminium salt(s), N,N,N,N'N'N'-hexamethyl-1,6-hexanediaminium salt as catalyst template; crystallization; catalyst for hexane cracking |
| 02/21/2008 | DE102006038631A1 Preparation of ethyl cyclohexane comprises hydrogenation of ethyl cyclohexane contaminated with ethylbenzene, in a precious metal catalyst that is suspended in the liquid phase |
| 02/20/2008 | EP1641731B1 Method for producing 1-octene from crack-c4 |
| 02/20/2008 | CN101128409A Product recovery from simulated-moving-bed adsorption |
| 02/20/2008 | CN101125793A Process of preparing high-purity petroleum m-xylene |
| 02/20/2008 | CN100369879C System and method for purifying cumene hydroperoxide cleavage products |
| 02/20/2008 | CN100369646C 蒸馏系统 Distillation System |
| 02/19/2008 | US7332640 Light hydrocarbon separation using 8-member ring zeolites |
| 02/19/2008 | US7332639 Process for producing olefins |