| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
|---|
| 04/11/2002 | WO2002002490A3 Synthesis of high quality normal alpha olefins |
| 04/11/2002 | US20020042551 Apparatus for C2 recovery |
| 04/11/2002 | US20020042550 Ethane extraction process for a hydrocarbon gas stream |
| 04/11/2002 | US20020040845 Stabilization with 4-tert-butylcatechol |
| 04/10/2002 | CN1344277A Method for isolating olefins from polyolefin plants |
| 04/10/2002 | CN1344238A Formation, processing, transportation and storage of hydrates |
| 04/10/2002 | CN1343647A Process for refining biphenol used for electrolyte of Lithium-ion battery |
| 04/10/2002 | CN1082499C Mixture contg. monomers and stabilizers |
| 04/09/2002 | CA2169965C Isoparaffin-olefin alkylation |
| 04/04/2002 | WO2002026670A1 Adsorptive separation process for recovery of two paraffin products |
| 04/04/2002 | WO2002026669A1 Process for the purification of iosoctane and/or diisobutylene |
| 04/04/2002 | WO2001085654A3 Removal of phosphorus-containing compounds from an olefin feedstock |
| 04/04/2002 | US20020040174 Polymerisation inhibitor |
| 04/04/2002 | US20020039551 pH control method of reducing nitrogen oxides emission |
| 04/04/2002 | CA2424464A1 Adsorptive separation process for recovery of two paraffin products |
| 04/03/2002 | EP1193237A1 Method for manufacturing 2,6-Dimethylnaphthalene |
| 04/03/2002 | EP1192859A1 Delivery system for cyclopropenes |
| 04/03/2002 | EP0944563B1 Substance mixtures containing stabilizers and compounds containing vinyl groups |
| 04/03/2002 | CN1342630A Process for preparing high-purity n-pentane |
| 04/02/2002 | US6365791 Process for converting hydrocarbons by treatment in a distillation zone comprising extracting a hydrocarbon cut as a side stream, associated with a reaction zone, and its use for hydrogenating benzene |
| 04/02/2002 | US6365784 Preparation of ethylene by gas permeation |
| 04/02/2002 | US6363744 Hydrocarbon separation process and apparatus |
| 04/02/2002 | CA2357891A1 Method for manufacturing 2,6-dimethylnaphthalene |
| 04/02/2002 | CA2097584C Removal of sulfur contaminants from hydrocarbons using n-halogeno compounds |
| 03/28/2002 | WO2002024614A1 Methods for manufacturing olefins from lower alkanes by oxidative dehydrogenation |
| 03/28/2002 | US20020038063 Composition and method for inhibition of formation of gas hydrates |
| 03/28/2002 | US20020037958 Adding to said monomer an effective amount of a mixture comprising at least one stable hindered nitroxyl compound and one quinone or hydroquinone inbibitor |
| 03/27/2002 | EP1189863A1 Ethylene recovery system |
| 03/27/2002 | EP0952973B1 Composition and method for inhibiting polymerization during the anaerobic production of styrene |
| 03/27/2002 | CN1341471A Method and device for separating organic matter from gas mixture containing organic matter |
| 03/27/2002 | CN1081487C Supported palladium catalyst for selective catalytic hydrogenation of acetylene in hydrocarbon stream |
| 03/26/2002 | US6362386 Method and device for obtaining isobutenes from conjugated hydrocarbons |
| 03/21/2002 | WO2002022532A1 Method for separating acetone and cumene from decomposition products of cumene hydroperoxide |
| 03/21/2002 | WO2002022528A1 Separation of hydrocarbons by extractive distillation |
| 03/21/2002 | US20020033476 Using tetramethylene glycol, dimethyl ether solvent; removal impurities |
| 03/20/2002 | EP1189000A2 Dephlegmator system and process |
| 03/20/2002 | EP1188733A1 Method of continuously and selectively separating clathrate and apparatus therefor |
| 03/20/2002 | EP0946471B1 Method for separating paraxylene comprising adsorption with water injection and crystallisation |
| 03/20/2002 | CN1341087A Method for continuous recovery of styrene from mixture containing same |
| 03/20/2002 | CN1081180C Process for preparing anthracene phenanthrene and karbazole |
| 03/20/2002 | CN1081179C Catalytic alkylating separation process of mixed C9 arene to prepare high-purity S-trimethylbenzene |
| 03/19/2002 | US6359186 From hydrocarbon feedstock; separation mixture; chromatography |
| 03/19/2002 | US6358399 Process for separating ethane and ethylene by solvent absorption and hydrogenation of the solvent phase |
| 03/19/2002 | US6358372 Contacting with solubilizing solvent of octanol or decanol, distilling |
| 03/13/2002 | EP1185489A1 Method for preventing undesired polymerisation in a mixture of substances containing ethylenically unsaturated compounds |
| 03/13/2002 | CN1339426A Variable preparing method for propylene and hexene |
| 03/13/2002 | CN1339425A Olefine separation method |
| 03/13/2002 | CN1339334A Preparing method for adsorbeng for selectively adsorbing and separating aromatic isomer |
| 03/12/2002 | US6355851 Treating benzene with olefin, distillation and pretreatment with propylene to form cumene |
| 03/12/2002 | CA2179160C Production of polymerization grade dicyclopentadiene |
| 03/12/2002 | CA2003404C Minimizing deactivation of ether synthesis catalyst |
| 03/07/2002 | US20020028978 Method of purifying 1,3,5-triisopropylbenzene |
| 03/06/2002 | EP1184444A1 Antigelling agent for hydrocarbon mixture containing conjugated diene and method of preventing clogging of apparatus for separating and purifying the mixture |
| 03/06/2002 | EP1184361A1 Process for the selective preparation of di-isobutylene from an i-butene-containing C4 stream |
| 03/06/2002 | EP1183222A1 Direct selective synthesis of para-xylene |
| 03/06/2002 | CN1338450A Process for refining toluene containing nitrogen impuritier |
| 03/06/2002 | CN1338449A Process for separating and recovering ethylene, ethane, propylene and hydrogen from gas mixture containing hydrocarbons |
| 03/06/2002 | CN1338328A Gas-phase selective adsorption process for separating dichlorobenzene from mixture |
| 03/05/2002 | US6353144 Of particular application when coupled with a hydro-isomerization process, which selectively recycles straight chain and mono-branched paraffins, necessary for paraffins containing at least 7 carbon atoms; preferential |
| 03/05/2002 | CA2047256C Process for decabromodiphenylalkane predominant product |
| 02/28/2002 | WO2002016032A1 Selective hydrogenation catalyst and processes therefor and therewith |
| 02/28/2002 | US20020025907 Catalyst for selective hydrogenation, process for preparation of the same, its use in selective hydrogenation and method of regeneration thereof |
| 02/28/2002 | US20020023318 Process for the separation of 2,6-dimethylnaphthalene from mixtures containing it |
| 02/28/2002 | DE10040184A1 Verfahren zur Seitenkettenalkylierung oder -alkenylierung Process for the side or -alkenylierung |
| 02/28/2002 | CA2418644A1 Selective hydrogenation catalyst and processes therefor and therewith |
| 02/27/2002 | EP1182246A1 Process for the separation of multibranched paraffins with a zeolitic adsorbent of mixed structure |
| 02/27/2002 | EP1182182A1 Process for the separation of p-xylene |
| 02/27/2002 | EP1181321A1 Method for isolating olefins from polyolefin plants |
| 02/26/2002 | US6350827 Pressurization of ethylenically unsaturated monomers without catalyst in the presence of nitroxyl compound |
| 02/26/2002 | US6350717 Transition and group 1b metals on aluminum oxide catalyst support; alkyne and/or alkadiene hydrogenation |
| 02/26/2002 | US6349566 Dephlegmator system and process |
| 02/26/2002 | CA2105941C Benzene removal from hydrocarbon streams |
| 02/21/2002 | WO2002014242A1 Hydrocarbon gas processing |
| 02/21/2002 | WO2002014241A2 Method for side chain alkylation or alkenylation |
| 02/21/2002 | WO2002014240A1 Removal of polar contaminants from aromatic feedstocks |
| 02/21/2002 | US20020022754 Unsaturated molecules are hydrogenated to less unsaturated molecules containing one double bond in reactor comprising two distinct beds of hydrogenation catalyst, and wherein a gas phase containing hydrogen is introduced |
| 02/20/2002 | EP1180507A1 Process for the purification of aromatic hydrocarbons and process for the preparation of high-purity aromatic hydrocarbons |
| 02/19/2002 | US6348637 Improved simulated moving bed adsorptive separation process using multifunctional fractional distillation column to recover both extract and raffinate products of adsorptive separation and desorbent in single fractionation column |
| 02/19/2002 | US6348136 Method and apparatus for the purification of vinyl aromatic compounds |
| 02/14/2002 | WO2002012152A1 Sulfur resistant adsorbents |
| 02/14/2002 | WO2001079380A3 Mercaptan removal from petroleum streams |
| 02/14/2002 | US20020019576 Process and facility for the separation of acid and/or alkaline constituents from hydrocarbons |
| 02/14/2002 | US20020019521 Separation of olefinic isomers |
| 02/14/2002 | US20020017490 Process for purifying a liquid hydrocarbon product |
| 02/14/2002 | US20020017480 Process and facility for the production of ultra-pure aromatics |
| 02/14/2002 | DE10037774A1 Verfahren und Vorrichtung zur Gewinnung organischer Substanzen aus einem diese Substanzen enthaltenden Gasgemisch Process and apparatus for recovery of organic substances from a gas mixture containing these substances |
| 02/13/2002 | EP1179359A2 Process and apparatus for removing organic substances from a gas mixture |
| 02/07/2002 | WO2002010429A1 Method for the production of beta-carotene |
| 02/07/2002 | WO2002010100A2 Recycle of nitroxyl-containing streams at low temperature |
| 02/07/2002 | US20020016523 Process for separating olefins from saturated hydrocarbons |
| 02/07/2002 | US20020014439 Removal of impurities from hydrocarbon streams |
| 02/07/2002 | CA2417147A1 Recycle of nitroxyl-containing streams at low temperature |
| 02/06/2002 | EP1178028A1 Process and device for producing very pure aromatic compounds |
| 02/06/2002 | EP1178027A1 Process and device for the removal of acid and/or basic compounds from hydrocarbon mixtures |
| 02/06/2002 | EP1177161A1 Process for separating olefins from saturated hydrocarbons |
| 02/06/2002 | EP1177038A1 Method for reducing organic fluoride levels in hydrocarbons |
| 02/05/2002 | US6344490 Removable filter for slurry hydrocarbon synthesis process |
| 02/05/2002 | CA2180292C Recovery of reactants and products in production of alkenyl bridged ring compounds |
| 01/31/2002 | WO2002008161A2 Polymerization inhibitor for vinyl-containing materials |
| 01/31/2002 | WO2002008160A1 Regeneration of hydrogen sulfide sorbents |