| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 08/20/2008 | CN100412040C Chemical grade isoprene recovery method |
| 08/19/2008 | US7414162 Water-soluble phenylenediamine compositions and methods for stabilizing ethylenically unsaturated compounds and monomers |
| 08/19/2008 | US7414161 Process for producing branched olefins from linear olefin/paraffin feed |
| 08/19/2008 | CA2316309C Process for recovering olefins |
| 08/19/2008 | CA2215629C Treatments for inhibiting vinyl aromatic monomer polymerization |
| 08/14/2008 | WO2008097672A2 Method of separating condensed liquid from an olefin stream |
| 08/14/2008 | WO2008096985A1 Methods of storing and separating gases using microporous metal formates |
| 08/14/2008 | US20080194903 Purification by contacting of a naphtha feed stream comprising a C4 compound having a nonaromatic C C double bond or C C triple bond with an adsorbent (3% weight alumina) activated at 450-1000 degrees C.; contacting with a metathesis catalyst to form a nonaromatic, unsaturated compound or a mixture |
| 08/14/2008 | US20080194902 Adsorbent for dienes removal from liquid and gas streams |
| 08/14/2008 | US20080190812 Dried, shaped, and calcined Group VIB metal compound of tungsten or molybdenum at high concentration; Group VIII metal compound of nickel at low concentration, and a phosphorous component such as H3PO4 at low concentration; macroporous support; stability; hydrorefining a hydrocarbon feedstock |
| 08/14/2008 | US20080190756 Object Separation Device Using Optical Method |
| 08/14/2008 | DE102007006370A1 Verfahren zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes A method for liquefying a hydrocarbon-rich stream |
| 08/13/2008 | EP1956071A1 Process for production of gas hydrate |
| 08/13/2008 | EP1955989A1 Method for production of lower olefin |
| 08/13/2008 | EP1626945B1 Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene |
| 08/13/2008 | EP1442001B1 Method for eliminating polarizable impurities from hydrocarbons and hydrocarbon mixtures |
| 08/13/2008 | CN101240067A Micro-pore coordination polymer based on diethylbenzotriazole cuprous and its preparation method and application |
| 08/13/2008 | CN101239882A Technique for removing thiophene from benzene by using aluminum trichloride and producing device thereof |
| 08/13/2008 | CN101239880A Extraction technique for butadiene |
| 08/13/2008 | CN100410269C Process for the recovery of a phytolipid composition |
| 08/12/2008 | US7411108 Process for the removal of conjugated olefins from a monoolefin stream |
| 08/12/2008 | US7411107 Alkene separation process |
| 08/12/2008 | US7411105 Process and installation for the oligomerization of olefins that use a membrane separation |
| 08/07/2008 | WO2008094262A1 Olefinic feedstock treatment processes |
| 08/07/2008 | WO2008092604A1 Method and plant for treating crude gas, in particular biogas, containing methane and carbon dioxide, in order to produce methane |
| 08/07/2008 | WO2008092603A1 Method and plant for extracting liquid methane from crude gas, in particular biogas, containing methane and carbon dioxide |
| 08/07/2008 | US20080188700 Contact oxygenate with zeolitic aluminosilicate molecular sieve catalyst; cool olefin in quench system; olefin first fraction; second fraction condensed water and entrained catalyst; inject antifouling agent into quench system to maintain zeta potential both in positive range or both in negative range |
| 08/07/2008 | CA2675833A1 Method and plant for treating crude gas, in particular biogas, containing methane and carbon dioxide, in order to produce methane |
| 08/06/2008 | EP1953130A1 Method and installation for raw gases containing processing methane and carbon dioxide, in particular biogas, for extracting methane |
| 08/06/2008 | CN101234994A Ionic liquid formed by dimethylamide and thiocyanate and its preparation method and application |
| 08/06/2008 | CN101234947A Method for removing micro-benzene in solvent oil or hexane refining process |
| 08/06/2008 | CN101234946A Method for separating low-carbon olefin mixed gas |
| 08/06/2008 | CN100408141C A solid-liquid separation process |
| 08/05/2008 | US7408091 Contacting alkyne and absorber with hydrogenstream in presence of Group 8 catalyst on support; recovering alkene; catalyst selectivity |
| 08/05/2008 | US7408089 Ni catalyst, process for making catalysts and selective hydrogenation process |
| 07/31/2008 | DE102007005494A1 Producing liquid methane from a gas containing methane and carbon dioxide comprises scrubbing the gas to remove carbon dioxide and using the liquefied carbon dioxide to liquefy the methane |
| 07/30/2008 | EP1950271A1 Method for separating the gaseous reaction products of steam dealkylation |
| 07/30/2008 | EP1235768B2 Hydrocarbonaceous composition containing odor suppressant |
| 07/30/2008 | CN101229989A Method for preparing high-purity beta-elemene by citronella oil byproduct |
| 07/30/2008 | CN101229988A Method for refining high-purity anthracene and carbazole from crude anthracene |
| 07/30/2008 | CN101229471A Toluol-benzene solvent recovery technology from vent gas |
| 07/29/2008 | US7405340 Process for recovering paraxylene utilizing ammonia absorption refrigeration |
| 07/29/2008 | US7404888 Reducing metal corrosion of hydrocarbons using acidic fischer-tropsch products |
| 07/29/2008 | CA2303780C Fluid separation system |
| 07/29/2008 | CA2303554C Separation of acid gas from natural gas |
| 07/29/2008 | CA2210863C Hydrogenation of unsaturated cyclic compounds |
| 07/24/2008 | WO2008088997A1 Dual zone aromatic alkylation process |
| 07/24/2008 | WO2008060993A3 Selective hydrogenation processes using functional surface catalyst composition |
| 07/24/2008 | DE102007002511A1 Continuous separation of sulfur compounds from a fluid comprises using a membrane comprising an immobilized ionic liquid |
| 07/23/2008 | EP1947076A1 Process for producing aromatic compound and aromatic compound obtained by the process |
| 07/23/2008 | EP1483036B1 Heavy hydrocarbon recovery from pressure swing adsorption unit tail gas |
| 07/23/2008 | CN101225014A Method for extracting dicyclopentadiene and light benzene from byproduct primary distiller of coal-coking crude benzene |
| 07/23/2008 | CN101225013A Separating device and method for preparing lower-carbon olefin gas product by methanol and dimethyl ether transformation |
| 07/23/2008 | CN101225012A Method for ultrasonic extraction and distillation separation of benzene-cyclohexane and benzene-n-heptane |
| 07/23/2008 | CN100404483C Hydration, pressure swing adsorption and deep cooling combined process for separating ethene cracking gas |
| 07/23/2008 | CN100404482C Hydration, film and deep cooling separation combined process for separating ethene cracking gas |
| 07/22/2008 | US7402720 Distillation process for removal of methyl acetylene and/or propadiene from an olefin stream |
| 07/22/2008 | US7402716 Polycyclic hydrocarbons with hexagonal and cubic diamond crystal structures; formula C26H32 and a molecular weight of 344; diamond film nucleation |
| 07/22/2008 | CA2303779C Fluid separation system |
| 07/22/2008 | CA2275357C Method for separating paraxylene comprising adsorption with water injection and crystallisation |
| 07/17/2008 | WO2008085609A1 Treatment of olefin feed to paraffin alkylation |
| 07/16/2008 | EP1326815B1 Removal of polar contaminants from aromatic feedstocks |
| 07/16/2008 | CN101219927A Continuous process and device for the separation of benzyl chloride regular packing column |
| 07/16/2008 | CN101219919A Method for purifying and recycling methyl hydride from garbage landfill gas |
| 07/16/2008 | CN101219918A Method for refining carbonization crude benzole |
| 07/16/2008 | CN101219320A Method for producing iron oxide desulphurizing agent in normal temperature |
| 07/16/2008 | CN100402627C C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 07/15/2008 | US7399898 Simulated moving bed adsorptive separation process for preventing increase in pressure drop and system thereof |
| 07/15/2008 | US7399897 Method of separating olefins from mixtures with paraffins |
| 07/15/2008 | US7399404 Passing a stream having an isobutene over a fixed bed of an acid-free zeolite for reducing the content of oxygen-containing and/or nitrogen-containing compounds |
| 07/10/2008 | WO2008081646A1 Process for production of ethylene low polymer |
| 07/10/2008 | WO2008081645A1 Method of treatment for deposit deactivation |
| 07/10/2008 | WO2008080500A1 Method for the elimination of carbonyl compounds from gaseous hydrocarbons |
| 07/10/2008 | WO2008060992A3 Selective hydrogenation processes using functional surface catalyst composition |
| 07/10/2008 | WO2008060989A3 Selective hydrogenation processes using functional surface catalyst composition |
| 07/10/2008 | WO2007134094A3 High flux and selectivity sapo-34 membranes for co2/ch4 separations |
| 07/10/2008 | US20080167512 Systems and Methods for the Separation of Propylene and Propane |
| 07/10/2008 | US20080167511 Separating light and heavy hydrocarbon streams from a feed stream, separating the light stream from the carbon dioxide and sweetening; increased processing capacity of the hydrocarbon sweetening process |
| 07/10/2008 | CA2672389A1 Deposit deactivation treatment method |
| 07/09/2008 | CN101218195A Method for obtaining cyclododecatriene by evaporation |
| 07/09/2008 | CN101215219A Preparation method for p-isoproplyl toluene |
| 07/09/2008 | CN100400483C Method for concentrating hexane-1 from ethylene materiel |
| 07/09/2008 | CN100400482C Process for the selective hydrogenation of alkynes |
| 07/08/2008 | US7396973 Simulated moving bed adsorptive separation process for handling multiple feedstocks |
| 07/08/2008 | US7396966 Integrated process for producing alkylbenzene in which aromatic by-products are sorbed from monoolefin-containing feedstocks having 6-22 C atoms; benzene-containing regenerant displaces and desorbs aromatic by-products; distillation of effluent |
| 07/08/2008 | US7396457 Apparatus and method for recovering acetic acid and catalyst in process for preparation of 2,6-naphthalenedicarboxylic acid |
| 07/08/2008 | US7396388 Purification of natural gas by adsorption of heavy hydrocarbons and water on an adsorbent bed, aqueous lean amine treatment for the absorptive removal of acid gases, such as carbon dioxide and hydrogen sulfide, and an adsorptive removal of water |
| 07/08/2008 | CA2263200C Control of diarylalkane by-product formation in alkylation of aromatics by olefins using zeolite beta catalyst |
| 07/08/2008 | CA2232029C Process for the removal of contaminant compounds containing one or more heteroatoms of sulfur, nitrogen and/or oxygen from hydrocarbon streams |
| 07/08/2008 | CA2215517C Treatments for inhibiting vinyl aromatic monomer polymerization |
| 07/03/2008 | US20080161627 Olefinic Feedstock Treatment Processes |
| 07/03/2008 | US20080161626 Isomerization of C8 aromatic isomers and heavies by introducing feed stream to xylene fractionation zone to produce xylenes enriched stream; cooling by transferring heat from xylenes enriched stream to raffinate stream and an isomerization reactor product stream; deheptanizing, desorption, recovering |
| 07/03/2008 | US20080155888 Methods and compositions for production and purification of biofuel from plants and microalgae |
| 07/02/2008 | EP1937726A1 Inhibition of polymerisation |
| 07/02/2008 | CN101209950A Method for using azeotropy dehydration for circulation solvent in C5 extraction separation diene |
| 07/02/2008 | CN100398498C Separating method for converting methanol to prepare low carbon olefin gas |
| 07/01/2008 | US7393992 vinylacetylene is selectively hydrogenated to the desired product 1,3-butadiene |
| 07/01/2008 | US7393986 Process for the production and purification of vinyl aromatic monomers |
| 06/26/2008 | WO2008076620A1 Neutralization of quench stream in a process for handling catalyst from an oxygenate-to-olefin reaction |
| 06/26/2008 | WO2008075934A1 Use of adsorbent microporous carbon material, for reducing benzene content in hydrocarbon flows |