Patents
Patents for C07C 2 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms (17,014)
07/1999
07/21/1999EP0929501A1 Alkylation and acylation reactions
07/21/1999CN1223629A Process for isomerization of alkylaromatic hydrocarbons
07/21/1999CN1223603A Zeolite catalyst and its use in hydrocarbon conversion
07/20/1999US5925801 Reacting isobutane and butylenes using metal complex acid catalyst dispersed on surface of porous matrix yields trimethylpentanes, catalyst regeneration by solvent extraction, efficiency
07/20/1999CA2092355C Isoparaffin-olefin alkylation
07/14/1999CN1222899A Process for producing aromatic compounds from aliphatic hydrocarbons
07/14/1999CN1222898A Aromatic conversion processes and zeolite catalyst useful therein
07/14/1999CN1044094C Catalyst for changing methone into high-level hydrocarbon and use thereof
07/13/1999US5922922 Process for producing an alkylated, non-oxygen-containing aromatic hydrocarbon
07/13/1999US5922636 Oligomerization of olefins in the presence of aromatics, paraffins, and naphthenes from refinery distillate streams using a catalyst of at least one aluminum halide and a group 4b tetraalkoxide
07/08/1999WO1999033769A1 Solid catalyzed isoparaffin alkylation at supercritical fluid and near-supercritical fluid conditions
07/07/1999EP0927147A1 Alkylation of organic aromatic compounds using beta zeolite catalyst
07/07/1999CN1222134A Two-step process for alkylation of benzene to form linear alkylbenzenes
07/07/1999CN1222133A Branched surfactant prepn.
07/06/1999US5919996 Using chromium complex catalyst
06/1999
06/30/1999EP0926114A2 Crystallization of 2,6-Dimethylnaphthalene
06/30/1999CN1221397A Process for manufacture of surfactants containing branch chain alkyl groups
06/30/1999CN1043880C Process for preparing alpha-methylstyrene unsaturated dimer
06/30/1999CN1043879C Alkylation of arene
06/30/1999CN1043878C Method preparing unsaturated dimers of alpha-methylstyrenes
06/29/1999US5916989 Polymers of C4 and higher α-olefins
06/29/1999US5916837 Porous microcomposite of metal cation exchanged perfluorinated ion-exchanged polymer and network of metal oxide, silica or metal oxide and silica
06/24/1999WO1999031485A1 A method and apparatus for controlling the separation of chemical components in a circulating stream in an alkylation process
06/24/1999WO1999019279A3 Catalyst for alkylating olefins, method for producing a catalyst, and alkylation method
06/24/1999CA2310495A1 A method and apparatus for controlling the separation of chemical components in a circulating stream in an alkylation process
06/17/1999WO1999029641A1 Process for separating linear internal olefins from branched internal olefins
06/17/1999CA2313327A1 Process for separating linear internal olefins from branched internal olefins
06/16/1999EP0922020A1 Process for the production of alkylated benzenes
06/16/1999EP0922017A1 Fluid catalytic alkylation process
06/15/1999US5911968 Method for making zeolite SSZ-44
06/15/1999CA2099359C Alkylation catalyst regeneration
06/10/1999WO1999028278A1 Method and reactor for making norbornene
06/10/1999WO1999028032A1 Preparation of zeolite bound by mfi structure type zeolite and use thereof
06/10/1999CA2312816A1 Method and reactor for making norbornene
06/09/1999EP0920404A1 A zeolite-based ethylbenzene process adaptable to an aluminum chloride-based ethylbenzene plant
06/09/1999EP0920403A1 Process for preparing cyclopentadienyl compounds
06/09/1999EP0888268A4 Method for the cyclotrimerization of alkynes in aqueous solutions
06/09/1999EP0667841B2 Process for the dimerization of a conjugated diene
06/09/1999CN1218785A Olefine polymerization or tripolymerization method
06/08/1999US5910619 Process for producing α-olefin oligomers
06/08/1999US5910618 Process for preparing 2,3-dimethyl-2-butene
06/03/1999WO1999026905A1 Process for the oligomerization of isobutylene
06/03/1999WO1999026904A2 Alkylaromatics production
06/03/1999CA2309440A1 Alkylaromatics production
06/02/1999EP0918737A1 Process for isomerization of alkylaromatic hydrocarbons
06/02/1999EP0918736A1 Two-step process for alkylation of benzene to form linear alkylbenzenes
06/02/1999CN1218449A Method for preparing norbornene and substituted derivatives of norbornene
06/02/1999CN1218025A Method for alkylation of isoalkanes and olefine
06/02/1999CN1043524C Benzene alkylation process using a fluorided silica-alumina and a linear C6 to C20 monoolefin
06/01/1999US5908903 Metallocene catalyst systems containing lewis bases
05/1999
05/27/1999WO1999025668A1 Method for producing essentially unbranched octenes and dodecenes by oligomerising unbranched butenes
05/26/1999EP0917529A1 Catalyst compositions and processes for olefin oligomerization and polymerization
05/26/1999CN1217726A Method of recovering boron trifluoride complex and process for producing olefin oligomer using same
05/26/1999CN1217310A Process for producing alkylbenzene
05/25/1999US5907075 Contacting a reactant mixture of isoparaffin, olefin and a molar excess of inert co-solvent or diluent with solid alkylation catalyst to produce a reaction mixture containing alkylate; reduced catalyst coking rate,; higher productivity
05/25/1999US5907073 Catalytic alkylation with molecular sieves
05/25/1999US5906957 Acid catalyst on support for alkylation
05/25/1999US5906892 Electron acceptor compositions on polymer templates
05/19/1999CN1043421C Method for prepn. of para-methyl-phenylethane by reaction of dilute ethylene with toluene
05/12/1999EP0914323A1 Metallocenes and catalysts for polymerization of olefins
05/12/1999EP0914311A1 Process for producing aromatic compounds from aliphatic hydrocarbons
05/12/1999EP0914310A1 Aromatic conversion processes and zeolite catalyst useful therein
05/12/1999EP0914309A1 Multistage alkylation process
05/12/1999EP0914308A1 Modified mcm-56, its preparation and use
05/12/1999EP0794932B1 Dimerization catalyst and process using alkyl aluminium alkoxide
05/11/1999US5902917 Ethylbenzene and cumene; transalkylation then cascading effluent into an alkylation zone with ethylene and propylene
05/06/1999EP0913196A1 An alkylation catalyst and the application thereof
05/06/1999EP0912473A1 Methylation of toluene to para-xylene
05/05/1999CN1043223C Production of ethyltoluene
05/04/1999US5900521 Catalysts for converting methane or purified natural gas, preparation thereof, and process for preparation of ethylene using the catalysts
05/04/1999US5900520 Aromatics alkylation
05/04/1999US5900519 Catalytic process for the selective alkylation of polycyclic aromatic compounds
05/04/1999US5900518 Heat integration in alkylation/transalkylation process
05/04/1999US5900517 Cyclopentadienyl derivatives and process for their preparation
04/1999
04/29/1999WO1999007656A3 Improved processes for making surfactants via adsorptive separation and products thereof
04/28/1999EP0910560A1 Process for preparing 2-aryl-substituted indenes
04/28/1999CN1215386A Process for the dimerization of lower olefins
04/27/1999CA1340514C Lower alkene polymers
04/22/1999WO1999019280A1 Process for the trimerization of olefins
04/22/1999WO1999019279A2 Catalyst for alkylating olefins, method for producing a catalyst, and alkylation method
04/22/1999WO1999019278A1 Process for preparing 2,6-dialkylnaphthalene
04/22/1999WO1999019275A1 Process for electrophilic aromatic substitution
04/21/1999EP0909302A1 $i(IN SITU) MITIGATION OF COKE BUILD-UP IN POROUS CATALYSTS BY PRETREATMENT OF HYDROCARBON FEED TO REDUCE PEROXIDES AND OXYGEN IMPURITIES
04/21/1999EP0909216A1 Zeolite catalyst and its use in hydrocarbon conversion
04/21/1999EP0673352B1 Process and reactor system for oligomerization of olefins
04/21/1999CN1043037C Hydrodealkylation process
04/21/1999CN1043036C Aromatic alkylation and its liquid/solid circulation fluidized bed device
04/20/1999US5895831 Efficient recycling of hydrogen halides removed from product stream in an integrated separation/recovery zone
04/20/1999US5895830 Adding heavy paraffins to oligomerization zone to prevent catalyst fouling and raise octane number of resulting oligomers
04/15/1999WO1999006502A3 Method for methane conversion
04/15/1999WO1998043716A3 Sulfuric acid purification process
04/15/1999WO1998009928A3 Alkylation process using zeolite beta
04/15/1999DE19745548A1 Catalyst for alkylation of lower olefin with iso-paraffin useful for producing high octane fuel additive
04/14/1999EP0908436A1 Process for the dimerization of lower olefins
04/14/1999CN1042929C Improved process for alkylation of aromatics with linear olefins derived from linear paraffin dehydrogenation step
04/13/1999US5894076 Treating light naptha to remove unsaturated materials then alkylating benzene to produce ethylbenzene or cumene
04/08/1999WO1999016547A1 Selective alkylation of aromatics with surface-modified microporous mixed oxides
04/06/1999US5891963 Graft polymer using coordination catalyst
04/06/1999US5891819 Alkylation catalyst
04/06/1999CA2000182C Ethylene oligomerization process and catalyst