Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
05/2006
05/25/2006US20060111601 Method of removing dimethyl ether from an olefin stream
05/25/2006US20060111600 Methods and apparatus for processing fuels
05/25/2006US20060111599 Low sulphur diesel fuel and aviation turbine fuel
05/24/2006EP1658251A2 System and method for purifying heptane
05/24/2006EP1658250A2 Method for separating hydrocarbons and use of a zeolite therefor
05/24/2006EP1658125A1 Selective separation of fluid compounds utilizing a membrane separation process
05/24/2006EP1487282B1 A process for the preparation of tomato extracts with high content in lycopene
05/24/2006DE102004055826A1 Verfahren und Vorrichtung zur Vollhydrierung eines Kohlenwasserstoffstromes Method and apparatus for full hydrogenation of a hydrocarbon stream
05/24/2006CN1775714A Method for producing high-purity sym-trimethyl benzene using propylene and isobutane joint alkylation process
05/24/2006CN1257137C Process for separating light olefine from paraffin
05/24/2006CN1257008C Laminated zeolite composite and method for preparation thereof
05/23/2006US7049389 Process for preparing of aromatic oligomers
05/23/2006US7048847 Alkylphenol-formaldehyde alkoxylated resin and adduct of alkylphenol-formaldehyde alkoxylated resin with polyacrylic acid
05/23/2006CA2357894C Delivery system for cyclopropenes
05/23/2006CA2132383C Process for the removal of arsine and carbonyl sulphide from hydrocarbon feedstocks containing light olefins
05/18/2006WO2006051941A1 Method of inhibiting polymerization giving copolymer of divinylbenzene and aromatic vinyl compound
05/18/2006WO2005065243A3 Hybrid cubic/hexagonal diamondoids
05/18/2006US20060106271 Process for the recovery of an ethylene and propylene containing stream from a cracked gas resulting from hydrocarbon cracking
05/18/2006DE102004054766A1 Verfahren zur Herstellung von Butadien aus n-Butan A process for preparing butadiene from n-butane
05/18/2006DE102004054657A1 Verfahren zur katalytischen Dehydrierung von Propan zu Propylen Process for the catalytic dehydrogenation of propane to propylene
05/18/2006CA2587607A1 Method of inhibiting polymerization giving copolymer of divinylbenzene and aromatic vinyl compound
05/18/2006CA2586050A1 Ion pair amphiphiles as hydrate inhibitors
05/18/2006CA2585963A1 Separation of carbon dioxide from other gases
05/17/2006EP1656334A2 Method for the separation of a crude c4 cut
05/17/2006CN1772384A Prepn of phosphotungstic anion intercalated strontium aluminate hydrotalcite-solid acid alkylation catalyst
05/17/2006CN1256310C Compositions comprising higher diamondoids and processes for their separation
05/16/2006US7045670 contacting alkyne and a non-hydrocarbon solvent/absorbent reactant stream with a hydrogen-containing stream in the presence of a supported, promoted, Group VIII catalyst, removing solvent/absorbent, and recovering alkene product; high selectivity to alkenes relative to alkanes
05/16/2006US7045669 charge gas from thermal cracking of hydrocarbon feedstock is processed in front-end catalytic distillation hydrogenation system of olefin plant to recover ethylene and propylene and process by-products; selectively hydrogenating other unsaturated hydrocarbons without hydrogenating ethylene and propylene
05/16/2006US7045647 Synergistic mixture of a nitroxyl compound with a quinone alkide having an electron withdrawing group at the 7-position; purification of unsaturated compounds; effective during steady state and after shutoff; storage stability
05/11/2006WO2006048184A1 Method and device for producing lower olefins from oxygenates
05/11/2006WO2006048098A1 Device for removing oxygen-containing organic compounds from mixtures of various hydrocarbon compounds
05/11/2006US20060096849 Method for separating butenes and butanes by extractive distillation provided with a polar extraction agent
05/10/2006EP1655279A1 Process for the preparation of vinyl acetate
05/10/2006EP0969074B1 Process for preparing purified conjugated diene
05/10/2006CN1769250A Method for separating olefin and hydrogen from olefin-hydrogen mixture
05/10/2006CN1255364C Method for reducing N oxo-compound
05/09/2006US7041860 Saturation of vinyl acetylene, ethyl acetylene, propyl acetylene or acetylene in crude butadiene streams in the hydrogenation catalyst, then distilling and recovering the effluents
05/09/2006US7041271 Integrated olefin recovery and hydrogen production from refinery off-gases
05/04/2006WO2006047105A2 Membrane separation of a metathesis reaction mixture
05/04/2006WO2005090447A3 Use of n-ethyl-2-pyrrolidone
05/04/2006DE102004053627A1 Verfahren zur Herstellung, Transport und Lagerung von Gashydraten (Gasclathrat) Process for the production, transport and storage of gas hydrates (Gasclathrat)
05/03/2006EP1652570A1 Separation process by selective adsorption with a solid containing a zeolite having a IM-12-analogous crystalline structure
05/03/2006EP1651585A1 Selective hydrocarbon hydrogenation catalyst and process
05/03/2006EP1651347A2 A process and catalyst for the selective hydrogenation of diolefins contained in an olefin containing stream and for the removal of arsenic therefrom and a method of making such catalyst
05/03/2006CN1765857A Extraction and rectification separation method for normal hexane and methyl cyclopentane
05/03/2006CN1765455A Separation method of hydrocarbon reaction oil gas
05/03/2006CN1254458C Quenching oil viscosity breaking agent in cracking fractionator
05/02/2006US7038103 Multifunctional liquid phase carriers used in synthesis of oligonucleotides, peptides, protein nucleic acids and oligosaccharides
05/02/2006US7038102 Fluidized bed chemical reactors; removal catalyst fines from vapors; stripping, filtration; molecular sieves; deactivation, separation; reducing fines; compression
05/02/2006US7038099 Using onium polymer complexes; forming high octane gasoline and alkaryl detergent additives
05/02/2006US7038096 Hydrocarbon hydrogenation catalyst composition, a process of treating such catalyst composition, and a process of using such catalyst composition
05/02/2006US7037422 Contacting paraffinic hydrocarbon with CFI zeolite in adsorption zone; hydroisomerization, catalysis, hydrocracking, hydrogenation
04/2006
04/26/2006CN1764620A Feed pretreating
04/26/2006CN1764619A Extraction of oxygenates from a hydrocarbon stream
04/26/2006CN1764618A Production method of linear alkyl benzene
04/26/2006CN1764617A Palladium-based catalyst for selective hydrogenation of acetylene
04/26/2006CN1763156A Process for reducing contents of components above C3 in dry gas
04/26/2006CN1762930A Secondary hydration and deep cooling separation combined process for separating ethene cracking gas
04/26/2006CN1762929A Hydration, pressure swing adsorption and deep cooling combined process for separating ethene cracking gas
04/26/2006CN1762928A Hydration, film and deep cooling separation combined process for separating ethene cracking gas
04/25/2006US7034194 Recovered from feedstock containing at least a higher diamondoid component; thermodynamically stable; for use in electronics, nanotechnology
04/19/2006CN1761638A Polymerization inhibitor for aromatic vinyl compounds and method for inhibiting the polymerization of the compounds
04/19/2006CN1761506A Low capital apparatus and method of distributed distillation in ethylene recovery
04/19/2006CN1252009C Toluene selective disproportionation and carbon 9 and above arene dealkytation method
04/19/2006CN1252008C Prepn of sulfurless benzene with pyrolytic light benzol
04/18/2006US7030259 reacting silicon compound having silicon-bonded hydrolyzable groups selected from alkoxy groups and silicon-bonded aryloxy groups and a disiloxane compound in the presence of a carboxylic acid, an acid catalyst, and a carboxylic anhydride; high-yield, high-purity
04/18/2006US7030237 Continous separation of preferential compounds from sample; prepare liquid interphases, incubate with sample, recover compound
04/18/2006US7029572 Process for producing high RON gasoline using ATS zeolite
04/13/2006WO2006014461A3 Reducing metal corrosion of hydrocarbons using acidic fischer-tropsch products
04/13/2006US20060079725 Membranes for highly selective separations
04/12/2006EP1645321A1 Improved composition and method for acid gas treatment
04/12/2006CN1759083A Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream
04/12/2006CN1759082A Extraction of oxygenates from a hydrocarbon stream
04/12/2006CN1759080A Method for producing butene oligomers and tert-butyl ethers from C4 flows containing isobutene
04/12/2006CN1250556C Compound of Damien disilazane and preparation method
04/12/2006CN1250495C Technique for preparing m-xylene of petroleum in high purity
04/12/2006CN1250493C Separation process for 1, 2, 3-trimethylbenzene
04/12/2006CN1250492C Preparation of pure longifolene
04/11/2006US7025804 such as H2, CO2, and/or N2 from hydrocarbons, and hydrocarbons from one another using a selectively permeable aromatic polyimide membrane; good resistance to plasticization by hydrocarbon components under practical industrial process conditions
04/11/2006US7025803 Methane recovery process
04/06/2006WO2006036684A2 Fishcher-tropsch wax composition and method of transport
04/06/2006WO2006036426A1 Sulfonated nitrophenols as polymerization inhibitors
04/06/2006WO2006035090A1 Separation method using an itq-29 zeolite material
04/06/2006WO2006034766A1 Method and device for carrying out trace analysis of nitric oxide in olefin-rich gases
04/06/2006DE102004045879A1 Verfahren zur Reinigung von Aromaten enthaltenden Zufuhrströmen mit Zeolithen A process for the purification of aromatics-containing feed streams with zeolites
04/06/2006CA2581573A1 Sulfonated nitrophenols as polymerization inhibitors
04/06/2006CA2581526A1 Sulfonated phenols with nitrophenols as polymerization inhibitors
04/06/2006CA2581229A1 Separation method using an itq-29 zeolite material
04/05/2006EP1642879A1 Method for producing acrolein and/or acrylic acid or a mixture thereof from propane and/or propene
04/05/2006EP1641731A1 Method for producing 1-octene from crack-c4
04/05/2006CN1754865A Refining method for toluene containing nitrogen and olefin
04/05/2006CN1248998C Process for coproducing p-xylene and ortho-xylene by using two separating steps
04/05/2006CN1248996C Process for refining crude dicyclopentadiene
04/05/2006CN1248994C Inhibiting catalyst coke formation in the manufacture of an olefin
04/04/2006US7022220 for ethylenically unsaturated compounds
03/2006
03/30/2006US20060069295 Forming paraffin wax particles, at least 75 weight % of which are larger than 0.1 mm from smaller particles; adding them to liquid that is more than 50 % alcohol (methanol) and has a true vapor pressure of less than 14.7 psia at 20 degrees C.; transporting the product; and separating the particles
03/30/2006DE102004046342A1 Removal of unwanted components (e.g. heavy hydrocarbon) from hydrocarbon-rich gas stream comprises adding heavy hydrocarbon-containing fraction to the gas stream; separating mixed fraction; and liquefying gas fraction
03/29/2006CN1247498C Separating method for enriching mesitylene
03/28/2006US7019188 contacting with 1-butyl-3-methylimidazolium tetrafluoroborate or 4-methyl-N-butylpyridinium tetrafluoroborate; eliminates use of metal complexes/compounds as hydrorefining catalysts
03/23/2006WO2005017068A3 Dual pressure catalytic distillation hydrogenation column system for the front end of an ethylene plant
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