Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
03/2006
03/23/2006US20060063954 Catalyst exhibits increased olefin selectivity and reduced selectivity to saturates and oligomers, such as green oil, while retaining high hydrogenation activity
03/23/2006US20060060505 Catalyst and process for selective hydrogenation
03/23/2006DE19745851B4 Odorierung von Acethylen Odorisation of acetylene
03/23/2006DE102004036707A1 Method for the separation of carbon-hydrocarbon from liquefied natural gas comprises using a demethanizer (where the demethanizer is downstream to deethanizers) and heating of demethanizer reboilers through the deethanizer condenser
03/23/2006DE102004036705A1 Separating carbon-hydrocarbon from liquefied natural gas comprises supplying the gas into demethanizer with a heat exchange (prior to supply into e.g. demethanizer head condenser) and removing methane-rich groups at the head of demethanizer
03/22/2006EP1637577A2 Low pressure olefin recovery process
03/22/2006EP1636325A1 Corrosion reduction with amine scavengers
03/22/2006CN1750875A Esterification catalyst and process for the esterification of acids in a hydrocarbons containing feed
03/22/2006CN1749226A Complex phase adsorption separating method on hydrophobic silicon zeolite for benzene di-substituted isomer
03/22/2006CN1748846A Process for preparing graphite-polyvinyl alcohol osmotic evaporation film for separating benzene/cyclohexane
03/22/2006CN1246271C Olefine separation method
03/22/2006CN1246060C Method for avoiding polymerization generation in film-type evaporator
03/21/2006CA2156632C Crystallization of 2,6-dimethylnaphthalene
03/16/2006US20060058565 Method for desulphurisation of natural gas
03/15/2006CN1747913A Zero-valence transition metal complex and method of synthesizing organometallic compound from the same as starting material
03/15/2006CN1245519C Enzymatic process for the enantiomeric resolution of amino acids
03/14/2006US7012167 Diisobutylene process
03/14/2006US7011765 Heat transfer fluid based on polyphenylmethanes exhibiting improved thermal stability
03/09/2006US20060052651 Process for the selective hydrogenation of olefins
03/09/2006US20060048645 Process for the removal of arsine from a hydrocarbon stream with an adsorbent
03/08/2006EP1385808B1 Crystallisation process for producing very pure para-xylene
03/08/2006CN1745286A Hydrocarbon gas processing
03/08/2006CN1244523C Sulphonation process for producing dye dispersant and concrete water reducing agent
03/07/2006US7009085 Reduction of acetylene to ethylene; inorganic support, palladium component, silver component, and promoter of formula XYFn, where X is an alkali metal and Y is antimony or phosphorus
03/07/2006US7008966 separating and removing slurry hydrocarbon liquid from a three phase, Fischer-Tropsch type hydrocarbon synthesis slurry using a filter having hollow filter elements arrayed across a manifold connected to a filtrate conduit; easy replacement filter
03/02/2006WO2006023142A1 Selective hydrogenation catalyst designed for raw gas feed streams
03/02/2006WO2006022195A1 Method for purifying material comprising organic semiconductor, method for purifying material comprising pentacene, semiconductor device, and method for fabricating the semiconductor device
03/02/2006WO2005058450A3 Method and system for preventing clathrate hydrate blockage formation in flow lines by enhancing water cut
03/02/2006WO2005011854A3 Process for the selective hydrogenation of phenylacetylene
03/02/2006US20060047174 Process for photo-oxidative stability improvements
03/02/2006DE102005004948B3 Hydrocarbon recovery, using absorbents, comprises increasing pressure of absorbents, loading absorbents into a drift column, heating hydrocarbon poor and acid gas rich component, drawing-off hydrocarbon rich and acid gas poor component
03/02/2006DE102004041850A1 Verfahren zur Herstellung von C5-Aldehyden und Propen aus einem 1-Buten- und 2-Buten-haltigen C4-Strom A process for preparing C 5 aldehydes and propene from a 1-butene- and 2-butene-containing C4 stream
03/01/2006EP1628941A1 Selective hydrogenation process and catalyst therefor
03/01/2006EP1628940A1 Method for obtaining crude 1,3-butadiene from a c4 fraction
03/01/2006CN1740123A Alkane desulfurizing process
03/01/2006CN1243701C Method of joint produce pare xylene and metaxylene including two stage separation
03/01/2006CN1243700C Method for separating highly branched alkane hydrocarbon using zeolite adsorbent in mixed structure
02/2006
02/23/2006WO2006020000A1 Use of fischer-tropsch condensate as a lean oil for heavy ends recovery from fischer-tropsch tail gas
02/22/2006EP1626945A2 Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene
02/22/2006EP1448283B1 Method for performing the purifying separation of crystals out of their suspension in a mother liquor
02/22/2006CN1738785A Process for separating linear alpha olefins from saturated hydrocarbons
02/22/2006CN1736961A Styrene separation process
02/22/2006CN1242965C Method for producing isobutene and methanol
02/21/2006CA2264137C Process for concurrent selective hydrogenation of acetylenes and 1,2 butadiene in hydrocarbon streams
02/16/2006WO2006017557A2 Membranes for highly selective separations
02/15/2006EP1414872B1 Optimization of heat removal in a gas-phase fluidized-bed process
02/15/2006EP1268705B1 Heat transfer fluid based on polyphenylmethanes exhibiting improved thermal stability
02/15/2006EP1062301B1 Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal
02/15/2006CN1736073A 通信节点 Communication nodes
02/15/2006CN1735677A Removing impurity in hydrocarbon fluid
02/14/2006US6997998 Lead-and barium-free propellant charges
02/09/2006WO2006014461A2 Reducing metal corrosion of hydrocarbons using acidic fischer-tropsch products
02/08/2006EP1623170A2 Olefin plant refrigeration system
02/08/2006CN1732139A Process for producing cumene
02/07/2006US6995108 Method for producing catalysts by acid activation
02/02/2006WO2006012296A2 Separation of water from a fischer-tropsch product
02/02/2006US20060025647 Morphology control of substituted diacetylenic monomers for shelf life monitoring systems
02/02/2006US20060025302 Selective hydrogenation catalyst designed for raw gas feed streams
02/02/2006US20060021911 Extractive distillation using a selective solvent in a column having two separate regions and a lower combined region; taking a top stream of butanes off the 1st region, taking a top stream of butenes off the 2nd region, and taking more soluble C4 hydrocarbon fraction off the combined region
02/01/2006EP1620375A1 Method of obtaining para-xylene
02/01/2006CN1729151A Olefinic metathesis in the presence of phenolic compounds
02/01/2006CN1727317A Secondary deethanizer to debottleneck an ethylene plant
02/01/2006CN1239475C Process for the purification of mixtures of toluenediisocyanate
01/2006
01/26/2006WO2006008998A1 Method of preventing adamantane consolidation
01/26/2006WO2005100287A8 Process for recovering paraxylene utilizing ammonia absorption refrigeration
01/26/2006US20060020154 Reduction of the Bromine Index of linear alkylbenzenes
01/26/2006US20060020089 Method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared
01/25/2006EP1618082A2 Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream
01/25/2006EP1617945A1 Para-xylene selective adsorbent compositions and methods
01/25/2006EP1326943B1 C-nitrosoaniline compounds and their blends as polymerization inhibitors
01/25/2006CN1238472C Isomerisation process
01/25/2006CN1238315C Method of eliminating polyethylene from ethylene tripolymerizing reaction liquid
01/25/2006CN1238313C Method for preparing isohexane solvent
01/25/2006CN1238312C Inhibition of polymerization of unsaturated monomers
01/24/2006US6989046 contacting acid gas containing stream from steam cracker with aqueous alkanolamine solution and hydrocarbon solvent to form mixture where hydrocarbon solvent has 60-100 volume % aromatics content and 50-85 volume % two ring aromatic content
01/19/2006WO2006007066A1 Process for producing olefins
01/19/2006US20060011542 Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl
01/18/2006EP1615983A1 Transalkylation of aromatic fluids
01/18/2006CN1723065A Extractive distillation
01/18/2006CN1721380A Process for extracting 1-methylnaphthalene and 2-methylnaphthalene from tar
01/18/2006CN1721024A Compound extraction and rectification method for separating diethoxymethane-ethanol-water mixed solution by charging salt
01/18/2006CN1237035C A process to remove reaction by-products from a selective hydrogenation effluent stream
01/18/2006CN1237034C Process for removal of allylene and allene from hydrocarbon streams
01/17/2006US6987208 Process for removing oxygenates from an olefinic stream
01/17/2006US6987152 removing oxygen, water impurities from olefin feed streams using packed bed system prior to polymerization
01/17/2006US6986802 Selective separation of fluid compounds utilizing a membrane separation process
01/12/2006US20060009670 having an improved octane rating, with a high cetane number; produced gasoline range has between 4 and 11 carbon atoms; produce in a simple and economic manner; separate the linear olefins from the branched olefins; control the proportions of gasoline according to market demands
01/12/2006US20060009666 Hydrogenation of aromatics and olefins using a mesoporous catalyst
01/12/2006US20060009665 Hydrogenation of aromatics and olefins using a mesoporous catalyst
01/12/2006US20060009663 Hydrorefining catalysts
01/12/2006US20060006113 separation loop consisting of the interconnection of a series of beds containing a solid adsorbent material forming several zones delimited by feed and solvent injection points and extraction points for discharge
01/11/2006EP1613575A2 Method for removal of a solvent contained in acetylene and unit for carrying out said method
01/11/2006CN1718680A Technology of low temperature separation and concentration coal layer gas to produce methane
01/11/2006CN1235844C Process for purifying a liquid hydrocarbon product
01/11/2006CN1235843C Method for eliminating and reclaiming naphthenic acid from oil products
01/10/2006US6984766 reducing formation of polymers; alkali metal catalyst on an inorganic support is mechanically separated from the reaction mixture after the reaction and before distillation
01/10/2006US6984765 Reduction of hydrocarbon oxidates in the presence of molecular sieve catalysts to form propylene, propane, water, methyl ether, methyl and/or ethyl alcohol admixtures, then recovering the hydrocarbons by pressure or temperature swing adsorption
01/05/2006US20060004242 Low pressure olefin recovery process
01/05/2006US20060004236 Method of separating and converting hydrocarbon composites and polymer materials
01/05/2006US20060000777 Liquid-phase separation of low molecular weight organic compounds
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