| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 08/16/2005 | US6930193 Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage |
| 08/16/2005 | CA2222046C Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors |
| 08/11/2005 | US20050172803 Hydrogen separation and purification by Pressure Swing Adsorption (PSA) using silica gel and activated charcoal to adsorb impurities; desorbing at a regeneration pressure of 2-10 bar absolute to produce waste gas for sending as a combustible fuel to a petrochemical site without a pressure adjustment |
| 08/11/2005 | DE102004003667A1 Recovering fractionated hydrocarbons from plastics and/or oil residues comprises compression, melting, evaporation, heating, cracking and condensing |
| 08/10/2005 | EP1133460B1 Stablised compositions comprising olefins |
| 08/10/2005 | CN1651367A Method of extracting high purity acenaphthene from coat tar scrubbing oil |
| 08/10/2005 | CN1651366A Method of extracting elemene in curcuma zedoary by super critical carbon dioxide fluid extraction-rectification |
| 08/10/2005 | CN1651362A One and two step ultracritical fluid extraction of carotene, VE and other trace element concentration |
| 08/10/2005 | CN1213972C Preparation of C5-C6-olefines |
| 08/10/2005 | CN1213970C Process for the separation of isobutene from normal butenes |
| 08/09/2005 | US6927260 Optimization of heat removal in a gas-phase fluidized-bed process |
| 08/09/2005 | CA2243516C Separation process in which a membrane is used |
| 08/04/2005 | US20050171395 Xylene process using perm-selective separations |
| 08/04/2005 | US20050170947 Agglomerated zeolitic adsorbents, their process of preparation and their uses |
| 08/04/2005 | US20050167338 Para-xylene process using perm-selective separations |
| 08/04/2005 | DE102004001974A1 Komposit-Membran Composite membrane |
| 08/03/2005 | EP1558552A2 Method for producing oligomers derived from butenes |
| 08/03/2005 | EP1558549A2 Method of removing entrained sulfuric acid from alkylate background of the invention |
| 08/03/2005 | CN1213130C Process for recovering olefins |
| 08/03/2005 | CN1213030C Inhibition of polymerization of unsaturated monomers |
| 08/03/2005 | CN1213004C Method and devices for producing naphthalene from coke produced from coke oven crude gas |
| 08/02/2005 | US6924406 At least two fixed molecular sieve beds (or multiples of two, i.e. 4, 6, 8, etc.) operating alternatively in adsorption and desorption. |
| 08/02/2005 | US6923915 Solvent extraction |
| 07/28/2005 | WO2005068057A1 Composite membrane |
| 07/28/2005 | US20050165265 Coupling xylene isomerization reactor with pressure and/or temperature swing absorption unit to separate feed of aromatic hydrocarbons |
| 07/27/2005 | CN1646666A A process for the removal of arsine from a hydrocarbon stream with an adsorbent |
| 07/27/2005 | CN1646455A Olefin plant refrigeration system |
| 07/27/2005 | CN1646454A Purification of aromatic hydrocarbon |
| 07/26/2005 | CA2306250C Process for preparing 2,6-dialkylnaphthalene |
| 07/26/2005 | CA2221133C Method for inhibiting hydrate formation |
| 07/21/2005 | WO2005016857B1 Method for separating hydrocarbons and use of a zeolite therefor |
| 07/21/2005 | US20050159634 Addition/condensation polymerization |
| 07/21/2005 | DE19817758B4 Verfahren zur Entfernung verunreinigender Verbindungen, die ein oder mehrere Heteroatom(e) von Schwefel, Stickstoff und/oder Sauerstoff enthalten, aus Kohlenwasserstoffströmen A process for the removal of contaminating compounds containing one or more hetero atom (s) of sulfur, nitrogen and / or oxygen, from hydrocarbon streams |
| 07/20/2005 | CN1642645A Treatment of acid catalysts with nitrogen compounds |
| 07/20/2005 | CN1642443A A process for the preparation of tomato extracts with high content in lycopene |
| 07/20/2005 | CN1640541A Palladium-carrying catalyst using titanium dioxide as carrier for acetylene hydrocarbon selective hydrogenation |
| 07/20/2005 | CN1211326C Methods and compositions for inhibiting polymerization of ethylenically unsaturated hydrocarbons |
| 07/20/2005 | CN1211325C Removal of phosphorus-contg. impurities from olefin feedstock |
| 07/19/2005 | US6919016 Process for the utilization of refinery C4 streams |
| 07/14/2005 | WO2005063659A1 Improved process for the production and purification of vinyl aromatic monomers |
| 07/14/2005 | US20050154247 From a liquid feedstock; contacting the liquid feedstock with a polymeric, ceramic, zeolite, alumina or steel membrane impregnated with an ionic liquid; highly energy efficient and very little waste production |
| 07/14/2005 | US20050154246 Extractive distillation using a selective solvent; zones include scrubbing and degassing zones; reduced energy requirements |
| 07/14/2005 | US20050154241 Selective hydrogenation of acetylenes |
| 07/14/2005 | US20050153038 Heating tomato water mixture and extraction to get lycopene, glucose mixture |
| 07/14/2005 | US20050152819 chemical reactor used for alkylation comprising impurity adsorption vessels containing clays or resin adsorbers, intake and discharge ports, denitrification adsorbents comprising molecular sieves, alkylation catalysts and heat exchangers |
| 07/14/2005 | US20050150819 Oxidative desulfurization of sulfur-containing hydrocarbons |
| 07/13/2005 | EP1551943A1 Processes for concentrating higher diamondoids |
| 07/13/2005 | CN1639299A Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process |
| 07/13/2005 | CN1639103A Process for the production of an alkenyl carboxylate or an alkyl carboxylate |
| 07/13/2005 | CN1639092A Alkene separation process |
| 07/13/2005 | CN1639089A Production of alkyl aromatic compounds |
| 07/13/2005 | CN1639088A A reactive distillation process for the alkylation of aromatic hydrocarbons |
| 07/13/2005 | CN1638867A Process for hydrogenating acetylenes |
| 07/13/2005 | CN1210237C Polymerization-inhibiting composition polymerization inhibitor and method for inhibiting polymerization |
| 07/12/2005 | US6916965 Treating an activated metalloaluminophosphate molecular sieve with one or more nitrogen containing compounds (aliphatic, aromatic, hetetrocycic or organonitrile compounds) to chemisorb and/or physisorb nitrogen-compound |
| 07/12/2005 | US6915662 Tower liquid distillation streams for recovery of ethane, ethylene, propane, propylene and heavier hydrocarbons |
| 07/07/2005 | WO2005061422A1 Process for the separation of olefins and paraffins |
| 07/07/2005 | WO2005061421A1 Regenerative removal of trace carbon monoxide |
| 07/07/2005 | WO2005061420A2 Process and apparatus for the removal of nitrogen compounds from a fluid stream |
| 07/07/2005 | US20050148791 Without prior removal of oxygen; catalytic oxidation of alkane to alkene and carboxylic acid; selective chemical absorption from mixed gas stream into metallic salt solution then recovering |
| 07/07/2005 | DE10297729T5 Gasreinigungssystem Gas cleaning system |
| 07/07/2005 | CA2550578A1 Process and apparatus for the removal of nitrogen compounds from a fluid stream |
| 07/06/2005 | EP1549726A1 Process for the removal of oxygen from olefin- containing process streams |
| 07/06/2005 | EP1549595A1 Process for the manufacture of a gasoline blending component |
| 07/06/2005 | EP1549415A1 Method and system for separating a component from a multi-component gas |
| 07/06/2005 | EP1083160B1 Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification |
| 07/06/2005 | CN1635986A Production of olefins |
| 07/06/2005 | CN1635982A Method for separation of substances by extraction or by washing them with ionic liquids |
| 07/06/2005 | CN1634814A Method for preparing fructus momordicae triterpene |
| 07/06/2005 | CN1634813A Method for purification and recovery of methane from refuse landfill gas |
| 07/06/2005 | CN1634812A Method for separating n-alkane from C5 to C6 alkane isomerized products |
| 07/06/2005 | CN1209332C Method for producing acrolein and/or acrylic acid |
| 07/06/2005 | CN1209327C Extraction and extracting rectification process for recovering aromatic hydrocarbon |
| 06/30/2005 | WO2005058450A2 Method and system for preventing clathrate hydrate blockage formation in flow lines by enhancing water cut |
| 06/30/2005 | WO2005002701A3 Catalytic filtering of a fischer-tropsch derived hydrocarbon stream |
| 06/30/2005 | US20050143612 nitrogen-containing impurities in one or both feedstocks may neutralize the acidic active sites on the acidic zeolite catalyst and thereby reduce catalyst activity; Pretreatment of one or both feedstocks to remove nitrogen compounds and/or other contaminants |
| 06/30/2005 | DE10357077A1 Process to separate a C2+ or a C3+ fraction from a hydrocarbon-rich gas fraction e.g. natural gas by chilling and passage through twister reactor |
| 06/29/2005 | EP1546094A1 Peroxide impurities removal |
| 06/29/2005 | EP1546074A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
| 06/29/2005 | EP1546073A1 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
| 06/29/2005 | CN1633325A Treatment of hydrogen/hydrocarbon mixtures on adsorbents regenerated at high pressure |
| 06/28/2005 | US6911569 Separating hydrocarbon gases containing sulfur and hydrogen sulfide, using adsorber materials comprising carriers impregnated with group IB compounds; purification |
| 06/23/2005 | WO2005032693A3 Process for separating nitrogen from methane using microchannel process technology |
| 06/23/2005 | WO2005003066A3 Distillation of a fischer-tropsch derived hydrocarbon stream |
| 06/23/2005 | US20050137443 Lithium, sodium, potassium, calcium, magnesium or barium cation exchanged natural clinoptilolite causing carbon monoxide to be selectively adsorbed into the clinoptilolite from a hydrocarbon or hydrogen containing stream |
| 06/23/2005 | US20050137442 Process for the removal of nitrogen compounds from a fluid stream |
| 06/23/2005 | US20050137434 Catalyst for selective hydrogenation of olefins and its preparation as well as use |
| 06/23/2005 | US20050137432 Hydrate formation blockage is inhibited from forming within the flow line by the addition of the water which tends to lower the hydrate phase equilibrium temperature for a given pressure of the hydrocarbon containing fluid and flow velocity |
| 06/22/2005 | EP1542950A1 Phosphorous removal and diene removal, when using diene sensitive catalyst, during conversion of olefins to branched primary alcohols |
| 06/22/2005 | CN1630700A Process to produce a dilute ethylene stream an a dilute propylene stream |
| 06/22/2005 | CN1206907C Feeding system for cyclopropylene compounds |
| 06/21/2005 | US6909021 Method of extracting lutein from green plant materials |
| 06/16/2005 | WO2005054161A2 Method for producing paraxylene comprising an adsorption step and two isomerization steps |
| 06/16/2005 | US20050126956 Aromatization, isomerization; steam cracking; cyclization; hydrorefining catalysts; hydrotreatment; Fischer-Tropsch synthesis |
| 06/15/2005 | EP1539660A1 Method for separating butenes and butanes by extractive distillation provided with a polar extraction agent |
| 06/14/2005 | US6906234 Continuous method and heat pump device for enriching liquid low-concentrated reaction mixtures |
| 06/14/2005 | US6905605 Method for inhibiting the plugging of conduits by gas hydrates |
| 06/14/2005 | CA2317534C Ethylene plant refrigeration system |
| 06/14/2005 | CA2312812C Method for purifying norbornene by distillation |
| 06/14/2005 | CA2192382C Process for the alkylation of aromatic compounds |