Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 11 - Acyclic unsaturated hydrocarbons
Patents for C07C 11 - Acyclic unsaturated hydrocarbons (14,240)
11/2003
11/19/2003CN1457356A Pyrolysis tube and pyrolysis method for using the same
11/19/2003CN1457330A Process for producing low polymer of alpha-olefin
11/19/2003CN1457272A Rhenium alkylidene catalysts fixed on carrier and used for metathesis of olefins
11/19/2003CN1128124C Method for raising 2-methyl-2-butene content in isopentene
11/13/2003WO2003093215A1 Intergrated chemical processes for industrial utilization of seed oils
11/13/2003WO2003093202A1 Continuous method for obtaining butenes from a c4 fraction
11/13/2003WO2003092887A1 Zr02-based catalyst carrier and method for the production thereof
11/13/2003CA2701533A1 Intergrated chemical processes for industrial utilization of seed oils
11/13/2003CA2482790A1 Zr02-based catalyst carrier and method for the production thereof
11/12/2003EP1360262A2 A process for preparing (branched-alkyl) arylsulphonates and a (branched-alkyl) arylsulphonate composition
11/12/2003EP1360161A2 A process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant
11/12/2003EP1360160A1 Method for producing high-purity diisobutene
11/12/2003CN1455701A Synthesis of molecular sieve catalysts
11/11/2003US6646175 Production of olefins
11/11/2003US6646174 Co-oligomerization of 1-dodecene and 1-decene
11/11/2003US6646172 Preparation of propene
11/06/2003WO2003091360A1 Process for pyrolysis of hydrocarbon
11/06/2003WO2003090918A1 Downflow catalytic cracking reactor and use thereof
11/06/2003US20030208095 For production of olefins from alkanes within short-contact time reactors
11/05/2003EP1358140A1 Method for producing 1-octen
11/05/2003EP1358139A1 Thermal isomerization of lycopene
11/05/2003EP1064340B1 Mitigating fouling and reducing viscosity
10/2003
10/30/2003WO2003089390A2 Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts
10/30/2003US20030204124 Olefin metathesis
10/30/2003US20030204123 For production of propylene from 2-butene and ethylene via concurrent fractional distillation within reactor comprising fixed bed
10/30/2003US20030202934 Process for the dehydrogenation of hydrocarbons
10/30/2003CA2482896A1 Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts
10/29/2003EP1159236B1 Method for oligomerizing c6 olefins
10/29/2003CN1452612A Process for preparing carotenoid polyene chain compounds and intermediates for preparing same
10/29/2003CN1452607A Integrated process for production of vinyl acetate
10/29/2003CN1452606A Process for production of vinyl acetate
10/29/2003CN1125682C Catalyst for preparing C2 hydrocarbon from transition metal and methane through oxidization and coupling by cocatalysts of S and P elements and its preparing process
10/29/2003CN1125681C Catalyst for preparing C2 hydrocarbon from transition metal and methane through oxidization and coupling by cocatalysis with S and W elements and its preparing process
10/29/2003CN1125601C Powdered prolycopene preparation, mfg. method thereof and use of same
10/28/2003US6637237 Olefin plant refrigeration system
10/23/2003WO2003087022A1 Olefin plant refrigeration system
10/23/2003WO2003086625A1 Dehydrogenation catalyst composition
10/23/2003US20030199722 Acetaldehyde and C4+ olefins are removed from the ethylene and/or propylene containing stream by fractionation, the stream containing ethylene and/or propylene is then treated with an acid gas
10/23/2003US20030199721 Low pressure separation of dimethyl ether from an olefin stream
10/22/2003EP1353889A1 Process for the production of linear alpha olefins and ethylene
10/22/2003CN1450983A Integrated process for producing an alkenyl-substituted aromatic compound
10/22/2003CN1125006C Process for preparing ethylene and propylene
10/22/2003CN1125005C Process for processing low-carbon paraffin
10/22/2003CN1124891C Method for preparing modified beta zeolite catalyst used for alkylation reaction of isobutane/butylene
10/16/2003WO2003084906A1 Condensation of olefins in fischer tropsch tail gas
10/16/2003WO2003084902A1 Method for oligomerizing olefins
10/16/2003WO2003084901A1 Grignard preparation of unsaturated organic compounds
10/16/2003WO2003048084A3 Use of molecular sieves for the conversion of oxygenates to olefins
10/16/2003US20030192342 For ethylene plant; comprises closed loop tertiary refrigerant system containing methane, ethylene and propylene
10/16/2003US20030192341 Olefin plant refrigeration system
10/15/2003EP1351765A1 Catalyst with bimodal pore radius distribution
10/15/2003EP1144350B1 Selective hydrogenation process and catalyst therefor
10/15/2003CN1124330C Process and preparation for producing light olefins
10/14/2003US6632972 Process for the selective preparation of DIB from an i-butene-containing C4 stream
10/14/2003US6632766 Removal impurities with zeolite
10/09/2003WO2003083015A2 A process for the removal of arsine from a hydrocarbon stream with an adsorbent
10/09/2003US20030191351 Dehydrogenation catalyst composition
10/09/2003US20030191200 Synthesis gas conversion and novel catalysts for same
10/09/2003US20030191198 Using acid catalyst
10/09/2003US20030191020 Autothermal process for the production of olefins
10/09/2003CA2481305A1 A process for the removal of arsine from a hydrocarbon stream with an adsorbent
10/08/2003EP1350779A1 Preparation of a supported catalyst based on rhenium and its use in the metathesis reaction of olefins
10/07/2003CA2038712C Ion type non-aqueous type composition and its use as a solvent
10/02/2003WO2003079816A1 A process for the preparation of tomato extracts with high content in lycopene
10/02/2003WO2003071118A3 Process for producing c19 minus fischer-tropsch products having high olefinicity
10/02/2003WO2003053567A3 Catalytic composition for the dehydrogenation of alkylaromatic hydrocarbons
10/02/2003US20030187312 Molecular sieve catalyst composition, its making and use in conversion processes
10/02/2003US20030187299 Method for producing acrolein and/or acrylic acid
10/01/2003CN1445206A Method for purifying and refining piperyene
10/01/2003CN1445205A Pressure swing adsorption method for distilling olefin or ethane from gas mixture
09/2003
09/30/2003US6627782 Condensing an aldehyde with acetone to form an alpha , beta -unsaturated ketone, hydrogenating the product to form saturated alcohol and eliminating the water from saturated alochol to form one or more alpha-olefins
09/30/2003US6627778 Catalytic hydrogenation of diolefins
09/30/2003US6627578 Catalyst for selective hydrogenation
09/25/2003WO2003078547A2 Method for jointly producing propylene and petrol from a relatively heavy charge
09/25/2003WO2003078364A1 Multi-step method of converting a charge containing olefins with four, five or more carbon atoms in order to produce propylene
09/25/2003WO2003078324A1 High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins
09/25/2003US20030181776 Catalyst fixed on a carrier and used for the metathesis of olefins
09/25/2003US20030181775 Such as nickel 2-ethylhexanoate
09/25/2003US20030181772 Method and device for treating a c4 fraction
09/25/2003US20030181762 Method for the production of acrolein or acrylic acidk or the mixutre thereof from propane
09/24/2003CN1444551A Continuous manufacturing process for alpha-olefins
09/24/2003CN1122002C Quench oil viscosity control in pyrolysis fractionator
09/23/2003US6624116 On-line synthesis and regeneration of a catalyst used in autothermal oxidation
09/23/2003US6623659 Separation of olefins from paraffins using ionic liquid solutions
09/18/2003WO2003076550A1 Catalytic cracking process
09/18/2003WO2003076371A1 Process for producing propylene and hexene from c4 olefin streams
09/18/2003WO2003076370A1 Partial dehydrogenation method using continuous heterogeneous catalysis
09/18/2003WO2003076368A1 Oligomerization of olefins comprising at least three carbon atoms
09/18/2003WO2003076367A2 Method for the oligomerization of olefins using a cycloalkylalkyl-substituted triazacyclohexane
09/18/2003WO2003055583A3 Modified carbide and oxycarbide containing catalysts
09/18/2003US20030176754 Process for producing propylene and hexene from C4 olefin streams
09/18/2003US20030176751 High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins
09/18/2003US20030176729 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
09/18/2003DE10233069C1 Propylene production from liquid feed stream containing higher olefins by catalytic steam cracking includes compression of gaseous product, separating gas and separating liquid into 2 fractions before partial recycling
09/17/2003EP1343740A1 Process for oligomerising or polymerising ethylene
09/17/2003CN1443149A Mfg. process for alpha-olefins
09/17/2003CN1442434A Cooligomerization method of 1-dodecene and 1-quinene
09/17/2003CN1121364C Process for separating linear alpha olefins from 2-branched and/or 3-branched alpha olefins
09/16/2003US6620984 Process for the removal of carbonyl compounds in isomerization feed streams
09/12/2003WO2003074452A1 Production of alkyl aromatic compounds
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