Patents
Patents for C07C 11 - Acyclic unsaturated hydrocarbons (14,240)
03/2000
03/01/2000EP0982280A1 Process for the recovery of butadiene-1,2
03/01/2000EP0981406A1 Improved catalyst composition useful for conversion of non-aromatic hydrocarbons to aromatics and light olefins
03/01/2000EP0737102B1 Process for preparing a zeolite catalyst for the isomerizing of linear olefins to isoolefins
03/01/2000EP0727404B1 A high productive process for production of lower olefins by catalytic conversion
03/01/2000CN1246105A Oligomer mixtures derived from cyclopentene, method for production and use thereof
02/2000
02/29/2000US6031145 A catalytic composition mixture comprising one chromium compound, one aryloxy aluminum compound and one hydrocarbyl aluminum compound for dimerization, trimerization
02/24/2000WO2000009261A1 Dispersion and stabilization of reactive atoms on the surface of metal oxides
02/24/2000DE19937103A1 Process for selectively hydrogenating an organic compound used in the production of linalool by contacting the compound hydrogen-containing gas in the presence of a catalyst
02/24/2000DE19837518A1 Production of acrolein and/or acrylic acid involves two stage catalytic oxydehydrogenation of propane, using modified air with less nitrogen and more oxygen than normal air as the oxygen source
02/24/2000DE19837517A1 Production of acrolein and/or acrylic acid involves two stage catalytic oxydehydrogenation of propane, using modified air with less nitrogen and more oxygen than normal air as the oxygen source
02/23/2000CN1245159A Process for preparing straight-chain monoene by catalytic dehydrogenation of n-alkanes
02/22/2000US6027707 Based on silicon or germanium oxide and oxides of aluminum, iron, gallium, boron, titanium, vanadium, zirconium, molybdenum, arsenic, antimony, chromium and/or manganese; hydrorefining catalysts; hydrocarbon conversions
02/22/2000CA2165510C Mtw zeolite for cracking feedstock into olefins and isoparaffins
02/15/2000US6025533 Oligomer production with catalytic distillation
02/10/2000WO2000006494A1 Crystalline molecular sieves
02/10/2000WO2000006493A1 Processes for manufacture of molecular sieves
02/10/2000CA2337628A1 Crystalline molecular sieves
02/10/2000CA2337505A1 Processes for manufacture of molecular sieves
02/09/2000EP0765300B1 N-olefin isomerization process
02/02/2000CN1243116A Production of alpha high-grade olefine using waste plastics
02/01/2000US6020533 Hydrocarbon conversion processes using crystalline manganese phosphate compositions
01/2000
01/27/2000WO2000003961A1 Method of isomerizing alpha-olefins to linear internal olefins with minimal skeletal isomerization using nickel supported on silica/alumina catalysts
01/26/2000CN1242718A Dealuminised NU-86 zeolite and its use in conversion of hydrocarbons
01/26/2000CN1048713C Light hydrocarbon separation method capable of raising ethylene recovery
01/26/2000CN1048712C Improved precooling for ethylene recovery in dual demethanizer fractional system
01/25/2000US6018089 Process for separating linear internal olefins from branched internal olefins
01/25/2000CA2010325C Process for preparing 1-octene
01/19/2000EP0972747A1 Crystalline manganese phosphate compositions for use in adsorbents and hydrocarbon oxidation catalysts
01/19/2000CN1241992A Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from olefinic hydrocarbons
01/19/2000CN1241991A Recovery of a secondary ethylene stream from an ethylene purification process
01/19/2000CN1241990A Use of short contact time in oxygenate conversion
01/19/2000CN1048428C Multiple zeolite catalyst using for producing low-carbon olefines
01/19/2000CN1048421C Methane-oxidizing and-coupling synthetic ethylene technology
01/18/2000US6015781 Detergent compositions containing selected mid-chain branched surfactants
01/13/2000WO2000001738A2 Process for the preparation of substantially amorphous alpha-olefin polymers, compositions containing them and process for the preparation of bridged ligand
01/13/2000CA2302287A1 Process for the preparation of substantially amorphous alpha-olefin polymers and compositions containing them and process for the preparation of bridged ligand
01/12/2000EP0938460A4 Process for olefin isomerization
01/11/2000US6013851 Catalyst having a core and surface layer and use of same in olefin oligomerization
01/10/2000CA2242822A1 Crystalline manganese phosphate compositions for use in adsorbents and hydrocarbon oxidation catalysts
01/05/2000EP0888181A4 Catalytic oxidative dehydrogenation process and catalyst
01/05/2000EP0852582B1 Modified fluorosulfonic acids
01/05/2000EP0632796B1 Toluene disproportionation process
01/05/2000CN1240455A Polymerization of ethylene with specific iron or cobalt complexes, novel pyridinebis (imines) and novel complexes of pyridinebis (imines) with iron and cobalt
01/05/2000CN1240201A Linear triene compound and copolymer
01/05/2000CN1240156A Low grade paraffine oxidation dehydrogenating catalyst and process for preparing olefines
01/05/2000CN1048010C Method for recovering ethene from dilute ethene containing gas
01/04/2000US6011188 Multi-bed selective hydrogenation of acetylenes
12/1999
12/29/1999EP0967177A1 New alumina, process for the preparation thereof and it's use as catalyst, catalyst support and adsorbant
12/29/1999EP0966508A1 Process for purifying material flows
12/29/1999CN1239938A Improved chemical absorption process for recovering olefins from cracked gases
12/22/1999EP0964904A1 Olefin purification by adsorption of acetylenics and regeneration of adsorbent
12/22/1999CN1047584C Toluene diproportionation process
12/21/1999US6005150 In a catalytic distillation zone which comprises an upper catalytic zone for etherification and a lower catalytic zone for isomerization of c.sub.4 plus olefins
12/21/1999US6004898 Alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts
12/15/1999EP0963788A2 Manganese-containing catalyst for lower alkane oxidative dehydrogenation and a process for producing olefins
12/15/1999CN1047376C Method for preparing ethylene by oxidation dehydrgenate of ethane
12/15/1999CN1047374C Process for inverting light alpha-olefin by ethylene
12/14/1999US6002047 Catalytic hydrogenation using amorphous metal alloy and a solvent under near-critical or super-critical conditions
12/08/1999EP0962437A1 Linear triene and copolymer thereof
12/07/1999US5998685 Process for preparing butene oligomers from field butanes
12/07/1999CA2101524C Inhibiting popcorn polymer formation with esters of inorganic acids
12/01/1999EP0960087A1 Apparatus and method for separating olefins from an olefins-rich product stream
12/01/1999EP0960086A1 Recovery of a secondary ethylene stream from an ethylene purification process
12/01/1999EP0960085A1 Use of short contact time in oxygenate conversion
12/01/1999EP0959987A1 Use of perfluoroalkyl substituted phosphorus compounds as ligands for homogeneous catalysis in supercritical carbon dioxide
12/01/1999CN1236671A Catalyst composition
12/01/1999CN1046929C Process for isomerizing linear olefins to isoolefins
11/1999
11/30/1999US5994601 Process for preparing butene oligomers from Fischer-Tropsch olefins
11/30/1999US5994594 Process for producing an alpha olefin, a tertiary olefin and/or an ether from an unsaturated hydrocarbon cut
11/30/1999US5994571 Metal hexafluoroacetylacetonate precursor with a substituted ethylene ligand
11/25/1999WO1999059943A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent
11/25/1999CA2332504A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent
11/24/1999EP0958860A2 Lower alkane oxidative dehydrogenation catalysts containing i) Cr or Mo, ii) W and iii) Sb and process for producing olefins
11/24/1999CN1236333A Selective hydrogenation catalysts containing palladium and at least one element selected among tin and lead
11/24/1999CN1235947A Preparation of olefins
11/24/1999CN1235871A Lower alkank oxidative dehydrogenation catalysts and process for producing olefins
11/24/1999CN1046697C Selective liquid-phase carbon-3 hydrogenating and de-alkynylating process with propane circulation
11/24/1999CN1046696C Process for purification of medium-chain olefines
11/24/1999CN1046695C Method for recovering ethylene by using mixed refrigerant cycle
11/24/1999CN1046694C Method for recovering ethylene by using open loop mixed refrigerant cycle
11/24/1999CN1046693C Method for producing light alpha olefines having improved purity by ethylene oligomerisation
11/23/1999US5990369 Catalyzing the oxygenates feedstock conversion in presence of a metal alumninophosphate molecular sieve catalyst, fractionating and metathesizing to enhance the yield of the ethylene, propylene, butylene
11/23/1999US5990367 Catalytic oligomerization with passing a heavy saturate paraffin stream
11/23/1999CA2015789C Oligomerization of olefins
11/17/1999CN1235144A Method and apparatus for pouring out liquid from propene drier
11/16/1999US5986157 Process for the removal of carbonyl compounds in isomerization feed streams
11/16/1999US5986155 Catalytic process for making high reactivity alkylating agents and products resulting therefrom
11/16/1999US5985940 Antifouling agents and reducing viscosity in quenching for ethylene plants and alkylphenol-formaldehyde polymers
11/16/1999US5985446 Solvent solubility; burns cleanly; high electron density; electroconductivity
11/11/1999WO1999057225A1 Process for selectively producing c3 olefins in a fluid catalytic cracking process
11/11/1999WO1999057086A1 Process for selectively producing light olefins in a fluid catalytic cracking process
11/11/1999WO1999057085A1 Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed
11/11/1999CA2329244A1 Process for selectively producing c3 olefins in a fluid catalytic cracking process
11/11/1999CA2329242A1 Process for selectively producing light olefins in a fluid catalytic cracking process
11/11/1999CA2328899A1 Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed
11/10/1999CN1046308C Deeper selective cracking process of distillate oil
11/10/1999CN1046215C Selective hydrogenation catalyst with metal in third main group and eighth group and use thereof
11/09/1999US5979177 Ethylene plant refrigeration system
11/09/1999CA2100732C Shaped organopolysiloxanes containing sulfonate groups, a process for their production and their use
11/04/1999WO1999055651A1 Catalytic conversion of oxygenates to olefins