C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives

Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
12/2004
12/08/2004	EP1200187B1 Method for producing catalysts by acid activation
12/08/2004	CN1552682A Method for preparing purified petroleum benzine and concentrating thiofuran by cruden benzol
12/08/2004	CN1552681A Separating method for enriching mesitylene
12/08/2004	CN1178743C Carrier catalyst for selective hydrogenation of alkines and dienes
12/07/2004	US6828470 Coproduction process for para-xylene and ortho-xylene comprising two separation steps
12/07/2004	US6828469 Compositions comprising heptamantane and processes for their separation
12/02/2004	WO2004103937A1 Method for obtaining crude 1,3-butadiene from a c4 fraction
12/02/2004	DE10322153A1 Verringerung des Gehalts an sauerstoffhaltigen und/oder stickstoffhaltigen Verbindungen in isobutenhaltigen Stoffströmen Reducing the content of oxygen-containing and / or nitrogen-containing compounds in streams isobutene
12/01/2004	EP1480938A1 Process for the production of an alkenyl carboxylate or an alkyl carboxylate
12/01/2004	EP1480928A1 Alkene separation process
12/01/2004	EP1480745A1 Supported catalyst treatment
12/01/2004	CN1551922A Enzymatic process for the enantiomeric resolution of amino acids
12/01/2004	CN1177781C Hydrocarbon adsorption dearylating process
11/2004
11/25/2004	WO2004101477A2 Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene
11/25/2004	WO2004089859A3 Method for removal of a solvent contained in acetylene and unit for carrying out said method
11/25/2004	WO2004057253B1 Lean reflux-high hydrocarbon recovery process
11/25/2004	WO2003076053A3 A separation method and separation apparatus of isotopes from gaseous substances
11/25/2004	US20040236164 Aromatization, isomerization; Fischer-Tropsch synthesis
11/25/2004	US20040232044 Especially a salt of an imine and a carboxylic, phosphonic or sulfonic acid that has a polar group located two to ten chemical bonds from the acid group
11/24/2004	CN1549802A Process of removing contaminants from an olefin stream using extractive distillation
11/24/2004	CN1549801A Low pressure separation of dimethyl ether from an olefin stream
11/24/2004	CN1549793A UZM-5, UZM-5p and UZM-6: crystalline aluminosilicate zeolites and processes using the same
11/23/2004	US6822127 Selective hydrogenation catalyst for selectively hydrogenating of unsaturated olefin, process for preparing the same and its use
11/18/2004	WO2004099108A1 Method of obtaining para-xylene
11/18/2004	WO2004098771A1 Para-xylene selective adsorbent compositions and methods
11/18/2004	WO2004080930A3 Recovery of ethylene and propylene from a methanol to olefin reaction system
11/18/2004	US20040229027 Laminated zeolite composite and method for production thereof
11/18/2004	US20040227138 Diamondoid-containing capacitors
11/18/2004	CA2522699A1 Para-xylene selective adsorbent compositions and methods
11/18/2004	CA2521939A1 Method of obtaining para-xylene
11/17/2004	EP1476410A1 Production of olefins
11/17/2004	EP1476408A1 Method for separating substances by extraction or by washing them with ionic liquids
11/17/2004	EP1476243A1 Treatment of hydrogen/hydrocarbon mixtures on adsorbents regenerated at high pressure
11/17/2004	EP1021498B1 Aromatics separation process
11/16/2004	US6818333 Exhibits, in the n-butane/isobutane separation, an n-butane permeance of at least 6.10-7 mol/m2.s.pa and a selectivity of at least 250 at the temperature of 180 degrees c.
11/16/2004	US6818121 Adding a glycol to an indene-containing coal tar distillate; elimination of benzonitrile; extraction with carbonate; purity
11/11/2004	WO2004096789A1 Method of preparing statins intermediates
11/11/2004	WO2004096415A1 Process for the separation of olefins from paraffins using membranes
11/11/2004	WO2004080929A3 Production of linear alkyl benzene
11/11/2004	WO2004080928A3 Extraction of oxygenates from a hydrocarbon stream
11/11/2004	WO2004080927A3 Extraction of oxygenates from a hydrocarbon stream
11/11/2004	WO2003083015A3 A process for the removal of arsine from a hydrocarbon stream with an adsorbent
11/11/2004	US20040225172 contacting with 1-butyl-3-methylimidazolium tetrafluoroborate or 4-methyl-N-butylpyridinium tetrafluoroborate; eliminates use of metal complexes/compounds as hydrorefining catalysts
11/10/2004	CN1545538A Molecular tag for organic solvent system
11/10/2004	CN1544402A 1,3,5- trialkyl benzene recovering method
11/10/2004	CN1175234C Distilling process for multi-component fluid and process for production of stream with rich argon by low temperature separating process
11/10/2004	CN1174968C 1, 2 -bis -adducts of stable nitroxides with substituted ethylenes and stabilized compositions
11/10/2004	CN1174943C Cyclohexane generated by benzene hydride
11/09/2004	US6815569 Compositions comprising tetramantanes and processes for their separation
11/04/2004	WO2004094564A1 Transalkylation of aromatic fluids
11/04/2004	WO2004094563A1 Process for removal of alkynes and/or dienes from an olefin stream
11/04/2004	WO2004094350A1 Method for extracting lutein from green plant materials
11/04/2004	US20040220442 Tetramantanes are bridged-ring cycloalkanes having a molecular formula of c22h28 with ?diamondoid? topology,
11/04/2004	US20040220439 Method of obtaining para-xylene
11/04/2004	US20040220432 Method of extracting lutein from green plant materials
11/04/2004	US20040220047 Para-xylene selective adsorbent compositions and methods
11/04/2004	US20040218547 Process modification to maximize benzene production
11/04/2004	CA2520090A1 Method for extracting lutein from green plant materials
11/03/2004	EP1472201A2 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
11/03/2004	EP1472000A1 Regeneration of supported catalysts for carbon monoxide hydrogenation
11/03/2004	EP1242341A4 Processes for preventing generation of hydrogen halides in an oligomerization product recovery system
11/03/2004	EP1189863B1 Ethylene recovery system
11/03/2004	CN1543448A Process for producing branched olefins from linear olefin/paraffin feed
11/03/2004	CN1541988A Method for separating arene by extraction and rectification
11/03/2004	CN1174083C Mitigating fouling and reducing viscosity
11/03/2004	CN1174005C Method and products to absorb oil and organic solvents from water and sea
11/02/2004	US6812371 Diamondoids
11/02/2004	US6812370 Compositions comprising hexamantanes and processes for their separation
11/02/2004	CA2313990C Method for spectroscopic analysis of hydrocarbons, and hydrocarbon refining operations using same
10/2004
10/30/2004	CA2465465A1 Process modification to maximize benzene production
10/28/2004	WO2004065337A3 Olefin plant refrigeration system
10/28/2004	WO2004002609A3 Processes and apparatus using solid perm-selective membranes in multiple groups for simultaneous recovery of specified products from a fluid mixture
10/28/2004	US20040215045 feed stream containing olefins and praffins is humidified, demisted, treated to remove sulfur compounds and passed to a cell having a chitosan membrane containing chelated silver or cuprous compounds and these metal compounds are capable of forming complex with olefin
10/28/2004	US20040214968 Optimization of heat removal in a gas-phase fluidized-bed process
10/28/2004	US20040214713 Ethylbenzene conversion catalyst and process
10/27/2004	EP1470136A1 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids
10/27/2004	EP1206425B1 Process for separating olefins from saturated compounds
10/27/2004	CN1541202A Statilisation of ethylenically-unsaturated compounds with amidoximes
10/27/2004	CN1172886C Process for composite solvent for separating arylhydrocarbon by extraction and distillation
10/21/2004	WO2004089859A2 Method for removal of a solvent contained in acetylene and unit for carrying out said method
10/21/2004	WO2003064015A3 Polymer blends and methods of separation using the same
10/21/2004	US20040210078 synergistic mixtures with phenols or phenothiazines; (meth)acrylic acid, (meth)acrolein, vinyl aromatics, (meth)acrylic esters, (meth)acrylonitrile, (meth)acrylamide, olefins, or C4 to C8 conjugated dienes; nitrilotris(acetamidoxime) or nitrilotris(propionamidoxime); polymerization inhibition
10/20/2004	EP1468724A1 Dithiolene functionalized polymer membrane for olefin/paraffin separation
10/20/2004	EP1468719A1 Composite membrane for the separation of hydrocarbons comprising a transition metal salt-polymer mixture separation layer
10/20/2004	EP1467957A1 Sulphided ion exchange resins
10/20/2004	EP0799401B1 Process for separating a column overhead product
10/20/2004	CN1538105A Method of using hydrate to storage ethylene under normal pressure
10/20/2004	CN1171836C Intelligent control method of propene rectifying tower in ethylene equipment
10/15/2004	CA2464541A1 Dithiolene functionalized polymer membrane for olefin/paraffin separation
10/14/2004	WO2004037754A3 Stabilization of olefin metathesis product mixtures
10/14/2004	US20040205065 System for creating and maintaining a database of information utilizing user opinions
10/14/2004	US20040202870 High alkene hydrocarbons permeance and selectivity; sustains carrier activity under longterm dry operating conditions
10/14/2004	US20040200756 Olefin plant corrosion control
10/14/2004	US20040200355 Facilitated transport membranes comprising a porous supported membrane and a transition metal salt-polymer mixture membrane containing transition metal salt and polymer capable of physically dispersing the salt
10/14/2004	CN1134384C Process for removal of acid compounds from hydrocarbon stream
10/13/2004	EP1466660A1 Facilitated transport membranes
10/13/2004	EP1372807B1 Ionic liquids as selective additives for the separation of close-boiling or azeotropic mixtures
10/13/2004	CN1537121A Optimization of heat removal in gas-phase fluidized-bed process
10/13/2004	CN1171063C Process for liquefying a natural gas stream containing at least one freezable component
10/13/2004	CN1170794C Process for fractionation of dibutene

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