| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 04/06/2005 | CN1602999A Appliance exterior pre-treatment for hydrogenation catalyst |
| 04/06/2005 | CN1195717C Process for separating and recovering ethylene, ethane, propylene and hydrogen from gas mixture containing hydrocarbons |
| 04/05/2005 | US6875339 Aromatization, isomerization; Fischer-Tropsch synthesis |
| 03/31/2005 | WO2005028404A1 Improvements in or relating to isobutylene |
| 03/31/2005 | WO2005028403A1 Process for the removal of sulfur compounds from hydrocarbon feedstocks |
| 03/31/2005 | US20050067073 an ignition formulation; a dinitrobenzofuroxan salt, tetrazene, a metal peroxide, a metal powder or alloy reduction agent; storage stability |
| 03/30/2005 | EP1518916A1 Scavenger of free radicals as stabilizers of polymerisable compounds |
| 03/30/2005 | EP1517978A1 Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process |
| 03/30/2005 | CN1600756A Refined processing method for advanced alpha type olefinic polymerization monomer and equipment |
| 03/30/2005 | CN1194946C Pressure swing adsorption method for distilling olefin or ethane from gas mixture |
| 03/30/2005 | CN1194945C Separating method for cracking C5-fraction |
| 03/29/2005 | US6872752 High purity olefinic naphthas for the production of ethylene and propylene |
| 03/29/2005 | CA2108992C Process for reducing hydrate aggregation trend in process effluents |
| 03/24/2005 | WO2005026087A2 Separation of methanol, ethanol and/or dimethyl ether from hydrocarbon mixtures |
| 03/24/2005 | WO2005026086A1 Process for liquid phase hydrogenation |
| 03/24/2005 | WO2005026084A1 Method for catalytic deoxygenation of process fluids of olefin dimerization processes |
| 03/24/2005 | WO2004081147A3 Octane improvement of a hydrocarbon stream |
| 03/24/2005 | WO2004070189A3 Production of stable olefinic fischer tropsch fuels with minimum hydrogen consumption |
| 03/24/2005 | DE102004041612A1 Extraction of carotene, Vitamin E and other minor components from natural oils and fats, for use in pharmaceuticals and food products, involves extraction of a concentrate with supercritical fluid, preferably carbon dioxide |
| 03/23/2005 | EP1515790A2 Processes and apparatus using solid perm-selective membranes in multiple groups for simultaneous recovery of specified products from a fluid mixture |
| 03/23/2005 | CN1597648A Molecular distillation purification method of polyprenol |
| 03/23/2005 | CN1597051A Method for recovering toluene from exhausted air |
| 03/23/2005 | CN1193969C Low temperature and low pressure hydrofining process for production of high quality n-hexane |
| 03/23/2005 | CN1193968C Method for separating methane from carbon 2 component |
| 03/17/2005 | WO2005023423A1 Butadiene and isobutylene removal from olefinic streams |
| 03/17/2005 | WO2005023419A1 Catalyst recovery process |
| 03/17/2005 | WO2005023399A1 Selective separation o f fluid compounds utilizing a membrane separation process |
| 03/17/2005 | WO2004112959A3 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 |
| 03/17/2005 | US20050056599 Filtration zone separated by filters; controlling concentration |
| 03/16/2005 | EP1513789A1 Eb/sm splitter heat recovery |
| 03/16/2005 | EP1480745A4 Supported catalyst treatment |
| 03/16/2005 | CN1596237A Method for removing dimethyl ether from olefin |
| 03/16/2005 | CN1596236A Oxygenated hydrocarbon compositions and method for recovering the compositions |
| 03/16/2005 | CN1594549A Preparation of pseudomonas stutzeri strain and its use in desulfurization of organic sulfur compounds |
| 03/16/2005 | CN1594548A Preparation of agrobacterium tumefaciens strain and its use in desulfurization of organic sulfur compounds |
| 03/16/2005 | CN1594249A Process for purifying ethylene from oil refinery dry gas |
| 03/16/2005 | CN1594248A Raw material gas purification method for propionaldehyde production |
| 03/16/2005 | CN1192993C Removal of phosphorus-contg. compounds from olefin feedstock |
| 03/15/2005 | US6867338 Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream |
| 03/15/2005 | US6867166 For use in separation of unsaturated hydrocarbons from mixture of gases containing such hydrocarbons; preferred adsorbents comprise metal compounds supported on high surface area carriers |
| 03/15/2005 | US6866772 Extraction of aromatics from hydrocarbon oil using furfural-co-solvent extraction process |
| 03/10/2005 | WO2005021471A2 System and method for purifying heptane |
| 03/10/2005 | WO2004052808A3 Separation of tertiary butyl alcohol from diisobutylene |
| 03/10/2005 | US20050054885 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 |
| 03/10/2005 | US20050053712 Process for the recovery of a phytolipid composition |
| 03/10/2005 | US20050051419 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 |
| 03/09/2005 | EP1511705A1 Process for producing para-xylene |
| 03/09/2005 | EP1066226A4 Synthesis and isomerization of 1,2-bis (indenyl) ethanes |
| 03/09/2005 | CN1592727A Inhibiting catalyst coke formation in the manufacture of an olefin |
| 03/09/2005 | CN1192042C Method of reducing formation of precipitates in solvent recovery system |
| 03/08/2005 | US6864401 Separating ethylene stream from by-products by distillation, quenching |
| 03/08/2005 | US6863779 Distillation of styrene |
| 03/08/2005 | US6863778 Separation of tertiary butyl alcohol from diisobutylene |
| 03/03/2005 | US20050049445 Process for liquid phase hydrogenation |
| 03/03/2005 | US20050045030 Process for separating nitrogen from methane using microchannel process technology |
| 03/03/2005 | US20050045029 Selective separation of fluid compounds utilizing a membrane separation process |
| 03/02/2005 | CN1587241A Process for producing mixed benzene in removnig impurity in coarse benzene by catalytic purification |
| 03/02/2005 | CN1587239A Method for recovering toluene, butanone and dimethyl formamide from waste gas in wet synthetic leather production |
| 03/02/2005 | CN1191217C Aromatic hydrocarbon adsorption desulfurizing method |
| 03/02/2005 | CN1191216C Method for desulfurizing by aromatic adsorption with magnetically stabilized bed |
| 03/02/2005 | CN1191118C Adsorbent for adsorption stripping dimethyl benzene and its preparing process |
| 03/01/2005 | US6861569 Obtaining diamondoid compositions enhanced in tetramantane components and other higher diamondoid components from a hydrocarbon feedstock; involves distillation and pyrolysis |
| 03/01/2005 | US6861512 Separation of olefinic isomers |
| 03/01/2005 | CA2357231C Dephlegmator system and process |
| 02/24/2005 | WO2005017071A1 Recovery of ethylene and propylene from a methanol to olefin reaction system |
| 02/24/2005 | WO2005017068A2 Dual pressure catalytic distillation hydrogenation column system for the front end of an ethylene plant |
| 02/24/2005 | WO2005016857A2 Method for separating hydrocarbons and use of a zeolite therefor |
| 02/24/2005 | WO2004033697A3 Method of removing entrained sulfuric acid from alkylate |
| 02/24/2005 | US20050043575 Butadiene and isobutylene removal from olefinic streams |
| 02/23/2005 | EP1507838A2 A process to produce a dilute ethylene stream and a dilute propylene stream |
| 02/23/2005 | EP1305279B1 Polymerization inhibitor for vinyl-containing materials |
| 02/23/2005 | CN1585669A Laminated zeolite composite and method for preparation thereof |
| 02/23/2005 | CN1583690A Preparation of pure longifolene |
| 02/22/2005 | US6858700 Polymerizable higher diamondoid derivatives |
| 02/22/2005 | CA2125740C Process for upgrading a hydrocarbonaceous feedstock |
| 02/22/2005 | CA2125737C Process for upgrading a hydrocarbonaceous feedstock |
| 02/17/2005 | US20050038308 Purity; simplification; integrating production loops producing synergistic effect; eliminating benzene alkylation step; optimizing isomerisation unit for easier separation |
| 02/17/2005 | DE10333756A1 Verfahren zur Auftrennung eines Roh-C4-Schnittes Process for the separation of a crude C4 cut |
| 02/17/2005 | DE10333546A1 Production of olefins, especially ethylene and propylene, from hydrocarbon feed streams involves steam cracking followed by contact with an ionic liquid to give a paraffin-rich stream and an olefin-rich stream |
| 02/16/2005 | CN1582266A Absorptive separation product recovery by fractional distillatio |
| 02/16/2005 | CN1580017A Process for preparing methylnaphthalene by rectification |
| 02/16/2005 | CN1580016A Process for preparing naphthalene by rectification |
| 02/15/2005 | US6855858 Oxygenating with hydrorefining molecular sieve catalyst to form stream comprising water, propylene, propane, and dimethyl ether, drying, then distilling to separate hydrocarbon, which may then be polymerized |
| 02/15/2005 | US6855857 Isomerising a hydrocarbon feedstock with an isomerisation catalyst at a reaction temperature of -50-25 degrees c. and a contact time of .01-150 hours to obtain 2,2,3-trimethyl butane |
| 02/15/2005 | CA2124671C Settling aids for solids in hydrocarbons |
| 02/10/2005 | WO2005012211A2 Polymerization inhibitor for styrene dehydrogenation units |
| 02/10/2005 | WO2005011854A2 Process for the selective hydrogenation of phenylacetylene |
| 02/10/2005 | US20050033104 highly-efficient separation; dimethyl ethre is partially removed in a first separation step containing methanol and water washing steps, followed by separation of the remaining components in additional separation step |
| 02/10/2005 | US20050033103 Recovery of ethylene and propylene from a methanol to olefin reaction system |
| 02/10/2005 | US20050033098 Dual pressure catalytic distillation hydrogenation column system for the front end of an ethylene plant |
| 02/09/2005 | CN1188375C Method for demethanizing in ethylene production |
| 02/08/2005 | US6852902 Method of removing entrained sulfuric acid from alkylate |
| 02/08/2005 | US6852899 Process for producing isobutylene and methanol |
| 02/08/2005 | CA2125739C Process for upgrading a hydrocarbonaceous feedstock |
| 02/03/2005 | WO2005009931A2 Method for the separation of a crude c4 cut |
| 02/03/2005 | US20050027150 Polymerization inhibitor for styrene dehydrogenation units |
| 02/03/2005 | US20050027149 Flowing a styrene monomer stream containing a minor amount of phenylacetylene and hydrogen into contact with a copper hydrogenation catalyst on a theta alumina support at a temperature of at least 60 degrees C. and a pressure of at least 30 psig |
| 02/03/2005 | DE10051349B4 Verfahren und Vorrichtungen zur Gewinnung von Naphtalin aus Koksofenrohgas Methods and apparatus for recovering naphthalene from coke oven crude gas |
| 02/02/2005 | EP1501773A1 Continuous method for obtaining butenes from a c4 fraction |
| 02/02/2005 | CN1572756A Separation of 1-butene from C4 feed streams |