| Patents for C07C 11 - Acyclic unsaturated hydrocarbons (14,240) |
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| 07/02/2003 | CN1426986A Method of coproducing dimethyl ether during production of isobutylene |
| 07/02/2003 | CN1426985A Control method of acetylene content at exit of acetylene hydrogenation reactor |
| 07/02/2003 | CN1112967C Lower paraffin oxidative dehydrogenation catalysts and process for producing olefins |
| 07/02/2003 | CN1112964C Low grade paraffine oxidation dehydrogenating catalyst and process for preparing olefins |
| 07/01/2003 | US6586649 Production of propylene |
| 07/01/2003 | US6586360 Catalysis using vanadium pentoxide and bismuth oxide on catalyst support containing magnesium oxide or magnesium hydrotalcite |
| 06/26/2003 | US20030120126 Process for separating internal and alpha olefins from saturated compounds |
| 06/24/2003 | US6583329 Catalytic concurrent reaction and fractional distillation |
| 06/24/2003 | CA2186744C Process and apparatus for producing light olefins |
| 06/19/2003 | US20030114725 Decomposing a tert-alkyl ether to form a tert-olefin, an alcohol and residual ether, in presence of a polysiloxane catalyst grafted with alkyl, aryl or alkylaryl sulfonic acid, purification, oxidation and dehydrogenation of tert-olefin |
| 06/18/2003 | EP1319055A1 Method for converting oxygenates to olefins |
| 06/18/2003 | EP1076638B1 Method for separating a c 4? hydrocarbon mixture |
| 06/18/2003 | CN1424295A Activation selective control method for ace tylene hydrogenation reactor |
| 06/17/2003 | US6580009 Flexible preparation of propene and hexene |
| 06/12/2003 | WO2003048086A1 Process of removing oxygenated contaminants from an olefin composition |
| 06/12/2003 | WO2003048084A2 Use of molecular sieves for the conversion of oxygenates to olefins |
| 06/12/2003 | US20030109766 Catalytic composition for dimerizing, co-dimerizing and oligomerizing olefins |
| 06/12/2003 | US20030109765 Catalytic production of olefins at high methanol partial pressures |
| 06/12/2003 | US20030109764 Synthesis of molecular sieve catalysts |
| 06/12/2003 | US20030109749 Processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitriles from alkanes |
| 06/11/2003 | EP1318127A2 Improved processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitriles from alkanes |
| 06/11/2003 | CN1423629A Metathesis synthesis of pheromones or their components |
| 06/11/2003 | CN1423625A Process for the production of gasoline stocks |
| 06/11/2003 | CN1422833A Improved method for preparing olefin, non-mathred carboxyl acid and non-matured nitrile |
| 06/10/2003 | US6576804 Method and catalyst for producing olefins, in particular propylenes, by dehydrogenation |
| 06/10/2003 | US6576803 Rare earth (oxy or hydroxy)carbonates |
| 06/10/2003 | US6576724 Catalytic composition and process for the catalysis of dimerization codimerization and oligomerization of olefins |
| 06/10/2003 | US6576721 Process for producing low polymer of ethylene |
| 06/10/2003 | CA2057273C Alkenyl succinimides as luboil additives |
| 06/05/2003 | WO2003020678A3 Method of separating dimethyl ether from an olefin stream |
| 06/04/2003 | CN1110467C Process for producing alpha-olefins |
| 06/04/2003 | CN1110365C Dealuminised NU-86 zeolite and its use in conversion of hydrocarbons |
| 05/30/2003 | WO2003044125A2 A process to produce a dilute ethylene stream and a dilute propylene stream |
| 05/29/2003 | US20030100809 Process for separating C5 cuts obtained from a petroleum cracking process |
| 05/29/2003 | US20030100785 Process for preparing carotenoid polyene chain compounds and intermediates for preparing the same |
| 05/29/2003 | US20030098281 Contacting olefin stream with liquid absorbent consisting of a polyol, amine, amide, nitrile, heterocyclic nitrogen containing compound |
| 05/28/2003 | CN1419965A Electric activation catalysis |
| 05/22/2003 | US20030097030 Process for producing branched olefins from linear olefin/paraffin feed |
| 05/22/2003 | US20030094381 Electroactive catalysis |
| 05/21/2003 | EP1312411A2 Electroactive catalysis |
| 05/21/2003 | EP1311464A1 Manufacturing process for alpha-olefins |
| 05/21/2003 | CN1419528A Catalytic conversion of alkanes to alkenes |
| 05/21/2003 | CN1419527A Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions |
| 05/21/2003 | CN1419526A Method for producing oligomeres |
| 05/21/2003 | CN1419474A Shell catalysts, method for producing the same, and the use thereof |
| 05/21/2003 | CN1418856A 1-butylene dimerization in ion solution and method for producing C8 and C12 olefin by dimerization |
| 05/21/2003 | CN1418729A Catalyst for producing isobutene by cracking methyl tert-butyl ether |
| 05/21/2003 | CN1108863C Asistants/zirconium oxide catalyst for preparing isobutene by synthetic gas |
| 05/20/2003 | US6566573 Autothermal process for the production of olefins |
| 05/20/2003 | US6566566 Dimerization of a C6-12 olefin mixture in which the hexene isomer fraction has less than 30% by weight of linear isomers in the presence of a nickel catalyst; derivatization to give primary alcohols, and optional subsequent alkoxylation |
| 05/20/2003 | US6566319 Cleaning products comprising improved alkylarylsulfonate surfactants prepared via vinylidene olefins and processes for preparation thereof |
| 05/15/2003 | WO2003040065A2 Bidentate ligand for the telomerization of dienes |
| 05/15/2003 | US20030092953 Partially combusting the hydrocarbon and an oxygen-containing gas in the presence of a catalyst comprising palladium and at least one further metal selected from Group IIIA, Group IVA, VA or a transition metal |
| 05/15/2003 | CA2466239A1 Bidentate ligand for the telomerization of dienes |
| 05/14/2003 | CN1418181A Process for production of olefins |
| 05/14/2003 | CN1418180A Process for removal of mapd from hydrocarbon streams |
| 05/14/2003 | CN1417177A Prepn process of high-purity m-pentadiene from C5 fraction as side product of petroleum cracking to produce ethylene |
| 05/14/2003 | CN1417176A Intelligent control method for ethylene rectifying tower of ethylene equipment |
| 05/14/2003 | CN1108193C Novel catalyst for ethylene trimerization, its preparation process and application |
| 05/14/2003 | CN1108187C Preparation of catalyst for inversion reaction of organic compound |
| 05/13/2003 | CA2074231C Continuous process for preparing aluminum alkyls and linear 1-olefins from internal olefins |
| 05/08/2003 | US20030088035 Low molecular weight hydrogenated nitrile rubber |
| 05/07/2003 | CN1107547C Selective hydrogenation catalysts contg. palladium and at least one element selected among tin and lead |
| 05/07/2003 | CN1107545C Improved catalyst compsn. and process for converting ethylene to light alpha olefins |
| 05/06/2003 | US6559349 Contacting with linear polyaromatic compound to form adduct |
| 05/06/2003 | US6559248 Method of purifying olefin containing oxygenate contaminants. The method incorporates the use of extractive distillation. Under the appropriate conditions, olefins containing very low levels of oxygenate contaminants can be recovered. |
| 05/06/2003 | CA2079399C Chromium/aluminoxane catalysts for ethylene oligomerization |
| 05/02/2003 | EP1305271A1 Continuous manufacturing process for alpha-olefins |
| 05/01/2003 | WO2003035588A1 Process and apparatus for separation and purification of conjugated diene |
| 05/01/2003 | WO2003035587A1 Hydroisomerisation of olefins comprising between 4 and 6 carbon atoms |
| 05/01/2003 | WO2003035584A1 Process for the oligomerization of olefins |
| 05/01/2003 | WO2003035583A1 Olefin oligomerization |
| 05/01/2003 | CA2464363A1 Hydroisomerisation of olefins comprising between 4 and 6 carbon atoms |
| 04/30/2003 | CN1414068A Catalyst for producing ethylene and propylene using low additional value olefin hydrocarbon and its application |
| 04/30/2003 | CN1413967A Polymerization inhibition process used in butadiene refining procedure |
| 04/30/2003 | CN1413966A Method for producing propen of C4 and its above colefines catalytic cracking |
| 04/30/2003 | CN1413965A Method for producing propene using C4 and its above colefines |
| 04/29/2003 | US6555715 Conversion of light paraffins to oxygenates or olefins using an imide promoter |
| 04/29/2003 | US6555713 Using hydrocarbon compound such as hexane, cyclohexane, 1-hexene or toluene and/or a chain ether compound such as diisopropyl ether or t-butyl methyl ether as decomposition inhibitor |
| 04/29/2003 | US6555090 Pillared mixed oxide that maintains a separation between sheets, there being individual structural layers, that have microporous channels and cavities. |
| 04/24/2003 | WO2003033441A1 Method of removing dimethyl ether from an olefin stream |
| 04/24/2003 | WO2003033440A1 Method for dehydrogenating c2-c30-alkanes |
| 04/24/2003 | WO2003033438A1 A method for processing an olefin-containing product stream |
| 04/24/2003 | WO2003013728A3 Low surface acidity platinum-group metal catalysts for hydrogenation- and dehydrogenation reactions |
| 04/24/2003 | US20030078458 Zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl by contacting the zinc alkyl with a catalyst system which uses a group 3-10 transition metal; metallocenes; by-product inhibition |
| 04/23/2003 | CN1413242A Method for converting oxygenates to olefins |
| 04/23/2003 | CN1412165A Separation method of cracked C5 fraction |
| 04/23/2003 | CN1106366C Preparation of branched surfactant |
| 04/22/2003 | US6552237 Grignard preparation of unsaturated organic compounds |
| 04/22/2003 | US6552236 Distillation |
| 04/17/2003 | WO2003031379A1 Method for producing 1-olefins using palladium carbene compounds |
| 04/17/2003 | WO2003031377A1 Method of separating/purifying conjugated diene and separation/purification apparatus |
| 04/17/2003 | WO2002064707A3 A process for preparing (branched-alkyl) arylsulphonates and a (branched-alkyl) arylsulphonate composition |
| 04/17/2003 | US20030073876 Supercritical; alkylation; catalyst regeneration |
| 04/16/2003 | EP1301274A2 Synthesis of molecular sieve catalysts |
| 04/16/2003 | EP1196363B1 Process for the production of propylene from olefinic streams |
| 04/16/2003 | EP1109763B1 Autothermal process for the production of olefins |
| 04/16/2003 | CN1410403A Method of producing diisobutylene using mixed C4 |
| 04/15/2003 | US6548725 Process for manufacturing olefins |
| 04/15/2003 | US6548697 Catalytic reaction of alkane and oxygen gas; esterification of alkene and carboxylic acid produced to form alkenyl carboxylate |