Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
06/2008
06/26/2008WO2007030229A3 Diesel oil desulfurization by oxidation and extraction
06/26/2008US20080154084 Hydrocarbon separation
06/26/2008DE102006061076A1 Treating a raw hydrocarbon containing gas for producing hydrocarbons from hydrocarbon-containing charge (olefin plant), comprises cooling raw gas using a water wash and separating undesirable components e.g. carbon dioxide by caustic wash
06/26/2008CA2673080A1 Application of microporous carbon adsorbent for reducing the benzene content in hydrocarbon streams
06/25/2008EP1934320A1 Process for the solution crystallization of mixtures
06/25/2008CN101208284A Process for the purification of benzene feedstock containing contaminating sulpher compounds
06/25/2008CN101205167A Regenerative utilization process of 1,2,3,4-tetralin heat-transfer fluid
06/25/2008CN101205166A Adsorbent for low-concentration ethane separation and preparation thereof
06/25/2008CN101205165A Preparation of isopentane solvent for polyolefins by separation technique
06/25/2008CN101204660A Deoxidation catalyst, preparation method and application thereof
06/24/2008US7390933 contacting the feed under reaction conditions effective to remove bromine-reactive olefinic hydrocarbon contaminants with a zeolite Y catalyst having a silica/alumina molar ratio of about 10 to about 30
06/19/2008WO2008073383A1 Hf alkylation process
06/19/2008WO2008042788A3 Integrated separation and purification process
06/18/2008EP1932818A1 Ionic liquid mediated elimination of acetonitrile from the olefin feed used in the production of ethers.
06/18/2008EP1931746A2 Additives to prevent degradation of cyclic alkene derivatives
06/18/2008EP1931613A2 Additives to prevent degradation of cyclic alkene derivatives
06/18/2008EP1931612A1 Process and apparatus for the purification of methane rich gas streams
06/18/2008CN101200405A Method for manufacturing hexane solvent oil
06/17/2008US7388121 Distillation in presence of an alcohol; controlling temperature
06/17/2008US7388120 Removing carbon dioxide from an oxygenate to olefins reaction effluent
06/12/2008WO2008069860A1 A process for enhancing the operability of hot gas cleanup for the production of synthesis gas from steam-hydrogasification producer gas
06/12/2008WO2008069256A1 Polymerizable monomer composition and method for preventing polymerization
06/12/2008US20080139863 separation of close boiling isomeric compounds comprising distilling a dilute solution of isomers in a high boiling compound in the presence of a solid adsorbent. Multi and/or monobranched as well as cyclic isomers are withdrawn at the top of the distillation column,
06/12/2008US20080139857 purifying aromatic-containing feed streams, and processes using such purified streams are described, wherein the purification processes compriseproviding a process feedstream comprising an aromatic component; and (b) bringing the process feedstream into contact with first zeolite and a second zeolite;
06/12/2008US20080138450 Recovering a phytolipid from a vegetable oil by-product by distillation, the product comprising squalene, phytosterols, mixed tocopherols and tocotrieneols, and vegetable wax; useful as an emollient and also may be incorporated into foods, beverages, and nutraceuticals
06/12/2008CA2671206A1 Polymerizable monomer composition and method for preventing polymerization
06/12/2008CA2669287A1 A process for enhancing the operability of hot gas cleanup for the production of synthesis gas from steam-hydrogasification producer gas
06/11/2008EP1930397A1 Apparatus and method for increasing the concentration of recycle hydrogen in high pressure hydrogenation reactor
06/11/2008EP1930307A1 Hydrocarbon separation
06/11/2008CN101198574A Ethylene production by steam cracking of normal paraffins
06/11/2008CN101198573A Process for making xylene isomer using a deheptanizer with a side draw recycle
06/11/2008CN100393677C Process for extracting 1-methylnaphthalene and 2-methylnaphthalene from tar
06/10/2008US7385097 Process for the purification of a diolefin hydrocarbon stream
06/10/2008US7384538 Catalyst combination for the hydroisomerization of waxy feeds at low pressure
06/05/2008US20080132745 Wax transport process
06/04/2008CN101190868A Separation utilization method for preparing ethene by-product C9+ fractioning by cracking
06/03/2008US7381858 purified products from fluid mixtures of C8 aromatics by means of integration of perm-selective separations with purified product recovery operations, for example solid-bed selective sorption, fractional distillation and/or fractional crystallization; for recovery of very pure meta-xylene and para-xylene
06/03/2008US7381855 Process for producing adamantane
06/03/2008US7381242 Treatment of hydrogen/hydrocarbon mixtures on adsorbents regenerated at high pressure
06/03/2008CA2313850C Preparation of c5-/c6 olefins
05/2008
05/29/2008WO2008063794A2 Oxazolidinium compounds and use as hydrate inhibitors
05/29/2008DE102006055973A1 Wärmetauscher zur Kühlung von Spaltgas Heat exchanger for cooling of cracking gas
05/29/2008CA2819744A1 Oxazolidinium compounds and use as hydrate inhibitors
05/29/2008CA2769571A1 Oxazolidinium compounds and use as hydrate inhibitors
05/28/2008CN101189203A Ortho-nitrosophenols as polymerization inhibitors
05/28/2008CN101186841A Membrane separation method for sulfur reduction
05/28/2008CN101186553A Method for separating cyclopentadiene and methylcyclopentadiene from ethylene by-product C9
05/28/2008CN101186552A Technique for separating cyclopentadiene and methylcyclopentadiene
05/28/2008CN100390117C Method for distilling normal heptane and methyl ¿C cyclohexane by using combination of rectification and compound extracted rectification
05/27/2008US7378562 process for removing alkynes and/or dienes from an olefin product stream withdrawn from an oxygenate-to-olefins reactor. The process comprises hydrogenating a first olefin stream that has alkynes and/or dienes in the presence of excess hydrogen and a first hydrogenation catalyst.
05/22/2008WO2008034473A8 Method and device for separating methane and carbon dioxide from biogas
05/22/2008US20080119674 Reconditioning process for used hydrocarbon based stimulation fluid
05/22/2008US20080119656 Oxazolidinium Compounds and Use as Hydrate Inhibitors
05/22/2008US20080119354 Ni catalyst, process for making catalysts and selective hydrogenation process
05/22/2008US20080118642 Ni catalyst, process for making catalysts and selective hydrogenation process
05/21/2008EP1922142A1 Adsorbents for purification of c2-c3 olefins
05/21/2008CN101182278A Method for purifying refined fluorene by crystallizing process
05/21/2008CN101182277A Method for extracting biphenyl from middle washing oil
05/21/2008CN100389099C Molecular marker for organic solvent system
05/20/2008US7374666 Contacting heterocyclic sulfur compounds in vapor phase in presence of oxygen with supported metal oxide or bulk metal oxide catalyst to convert heterocyclic sulfur compounds to oxygenated products as well as sulfur-deficient hydrocarbons; recovering
05/14/2008EP1920032A2 Integrated heavy hydrocarbon removal, amine treating and dehydration
05/14/2008EP1919610A1 Polyalkyleneimines and polyalkyleneacrylamide salt for acid gas scrubbing process
05/14/2008CN201058246Y Full-automatic benzol water extractor
05/14/2008CN101180112A Method for the distillative purification of slow-evaporating fluids
05/14/2008CN101177377A Method for refining beta-methylnaphthalene by melting crystallization
05/14/2008CN101177372A Method for purifying pure acenaphthene
05/14/2008CN100387558C Diisobutylene process
05/14/2008CN100387340C Preparation method of phosphotungstic anion intercalated strontium aluminate hydrotalcite-solid acid alkylation catalyst
05/13/2008US7371906 Process for photo-oxidative stability improvements
05/08/2008WO2008036913A3 Mixed matrix adsorbent for para-xylene separation
05/08/2008US20080107584 Reaction Vessel
05/07/2008EP1918012A1 Separation of fluids using zeolite itq-32
05/07/2008EP1917226A2 Butane removal in c4 upgrading processes
05/07/2008CN201056548Y Absorption and reprocessing system for landfill gas
05/07/2008CN201055709Y Novel benzene removing device
05/07/2008CN101175547A Process for the removal of contaminants
05/07/2008CN101172929A Extraction method for a segment of butadiene with NMP method
05/07/2008CN101172928A Method for salt extraction separation of benzol-cyclohexane normal heptane
05/07/2008CN101172927A Improved raffinate processing system and method thereof
05/06/2008US7368625 Catalysts with high cobalt surface area
05/06/2008US7368621 Catalytic oxidation of butadiene with methanol to give 1-methoxy-2,7-octadiene; hydrogenating catalytically to give 1-methoxyoctane, and dissociating catalytically to water and 1-octene; separtion by distillation of high and low boiling fractions; telomerization, etherification; by-product inhibition
05/06/2008US7368617 Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream
05/02/2008WO2008050675A1 Method and apparatus for separation/collection of pcb
05/01/2008US20080103346 Membrane Separation Of A Metathesis Reaction Mixture
04/2008
04/30/2008CN101171216A Integrated refinery with enhanced olefin and reformate production
04/30/2008CN101171215A Method of purifying 2,7-dimethylnaphthalene
04/30/2008CN101171213A Processes for the isomerization of normal butane to isobutane
04/30/2008CN101171212A Processes for the isomerization of paraffins of 5 and 6 carbon atoms with methylcyclopentane recovery
04/30/2008CN101171211A Processes for the isomerization of feedstocks comprising paraffins of 5 to 7 carbon atoms
04/30/2008CN101168492A Aromatic hydrocarbons extraction system and method thereof
04/29/2008US7365040 Catalysts
04/29/2008US7364599 Contacting contaminated liquid hydrocarbon fuel which contains removable DRA polyolefin containing a polar group besides carbon-carbon double bond, with one or more removal agents to produce a reduced concentration of removable DRA.
04/29/2008CA2274610C Composition and method for inhibiting polymerization during the anaerobic production of styrene
04/24/2008US20080097134 Endothermic Hydrocarbon Conversion Process
04/24/2008US20080096986 good monitoring of the morphology; reducing column 8-10 metal salts in aqueous solution with reducing agent; separation of particles and further reduction with hydrogen; catalysts for FISCHER-TROPSCH , hydrorefining, hydrogenation, dehydrogenation, oxidation
04/23/2008EP1913988A1 Separation method and device in a simulated entrained bed with a reduced number of large diameter valves
04/23/2008EP1641731B8 Method for producing 1-octene from crack-c4
04/23/2008EP1628940B1 Method for obtaining crude 1,3-butadiene from a c4 fraction
04/23/2008CN101165030A Mn-Ag double active components desoxidant, preparation method and application thereof
04/23/2008CN101165029A Method for extracting benzene-like compounds from flammable explosive gas of benzene-containing compounds
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