Patents
Patents for C07C 2 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms (17,014)
06/1998
06/04/1998WO1998023566A1 Highly branched primary alcohol compositions, and biodegradable detergents made therefrom
06/04/1998WO1998023560A1 Process for alkylating hydrocarbons
06/03/1998CN1183759A Process of preparing ethylbenzene or substed. derivs. thereof
06/03/1998CN1183398A Process for preparing aromatic hydrocarbon from catalytic cracking tail gas in absence of oxygen
06/02/1998US5760297 Electrolytic cell
06/02/1998US5760266 Method for the cyclotrimerization of alkynes in aqueous solutions
06/02/1998US5759937 Method for regeneration of a hydrogen fluoride alkylation catalyst containing sulfone, water, and ASO
06/02/1998US5759357 Process for the recovery of a strong acid from an aqueous solution
06/02/1998CA2021410C Process for olefin polymerization
05/1998
05/28/1998WO1998022412A1 Process for preparing aromatic olefins by using palladaphosphacyclobutanes as catalysts
05/28/1998WO1998022213A1 Dealuminised nu-86 zeolite and its use in the conversion of hydrocarbons
05/28/1998CA2271091A1 Dealuminised nu-86 zeolite and its use in the conversion of hydrocarbons
05/27/1998CN1182729A Method for preparing alpha-olfeines low polymer
05/26/1998US5756873 Design for aromatics alkylation
05/20/1998EP0842914A1 Alkylation process with enhanced catalyst stability
05/20/1998EP0842133A1 Alkylation process
05/20/1998EP0804393A4 Shape selective hydrocarbon conversion
05/20/1998EP0741681B1 Process for producing 3-aryl propines and novel 3-aryl propines
05/20/1998DE19647582A1 Verfahren zur Herstellung von aromatischen Olefinen mittels Katalyse durch Palladaphosphacyclobutane A process for preparing aromatic olefins by means of catalysis by palladaphosphacyclobutanes
05/20/1998CN1182456A Fast quench reactor and method
05/20/1998CN1181993A Reaction process for preparing low-carbon olefine from low-carbon alkane and catalyst thereof
05/19/1998US5753575 Method for regenerating a hydrogen fluoride and sulfone alkylation catalyst
05/13/1998CN1181367A Gas phase alkylation-liquid transalkylation process
05/13/1998CN1181366A Heat integration in alkylation/transalkylation process
05/12/1998US5750821 Method for oxidative coupling of methane comprising catalytic cracking
05/12/1998US5750818 Alkylation process
05/12/1998US5750817 Process for producing α-olefin oligomers and α-olefin oligomer compositions
05/12/1998US5750816 Using chromium-based catalyst system comprising a chromium compound, a nitrogen-containing compound, and an alkylaluminum compound
05/12/1998US5750455 Catalytic composition and process for the alkylation of aliphatic hydrocarbons
05/12/1998US5749937 Fast quench reactor and method
05/06/1998EP0839784A1 Heat exchange integration in alkylation/transalkylation process
05/06/1998EP0839783A1 Gas phase alkylation-liquid phase transalkylation process
05/06/1998EP0839781A1 Process for the preparation of a hydrocarbon product being rich in middle distillate hydrocarbon fraction
05/05/1998CA2099350C Alkylation catalyst regeneration
04/1998
04/29/1998EP0838447A1 Processes employing reusable aluminum catalysts
04/29/1998EP0837840A1 In situ mitigation of coke buildup in porous catalysts with supercritical reaction media
04/29/1998EP0703886A4 Process for modifying the shape selectivity of a zeolite catalyst and use of the mofified catalyst
04/29/1998EP0623101B1 Hydrocarbon conversion
04/29/1998EP0566680B1 Layered oxide materials and swollen and pillared forms thereof
04/28/1998US5744686 Adsorption of nitrogen compounds selected from acetonitrile, acrylonitrile, propionitrile by passing the stream to an adsorption zone containing non-acidic molecular seive adsorbent, withdrawing effluent free of nitrogen compounds
04/28/1998US5744682 Refractory oxide catalyst support; group 8 metal, metal compound and metal halide
04/28/1998US5744681 Complexing catalyst and olefin, reacting product with isoparaffin
04/28/1998US5744679 Treating gaseous ethylene with transition metal compound catalyst in polar solvent with addition of water
04/28/1998US5744678 Oligomerization catalysts and process using the same for the production of olefinic oligomers
04/28/1998US5744677 Using catalyst which is a mixture of a chromium complex and an aluminoxane
04/28/1998US5744676 Olefin oligomerization process
04/28/1998US5744675 Process for preparing an oligomer mixture from α,ω-diolefines and mixture prepard.
04/28/1998US5744667 Saturating gasoline range olefins with low molecular weight paraffins using a platinum catalyst on a borosilicate zeolite
04/28/1998CA2020509C Chromium compounds and uses thereof
04/23/1998WO1998016468A1 Hydrocarbon conversion using large crystal zeolite catalyst
04/22/1998EP0721443B1 Process for the preparation of methylenecyclopropane
04/22/1998EP0689528B1 Method for producing light alpha olefins having improved purity by ethylene oligomerisation
04/22/1998CN1179771A Heavy aromatics processing
04/16/1998WO1998015509A1 Alkylation and acylation reactions
04/16/1998CA2265777A1 Alkylation and acylation reactions
04/15/1998CN1178720A Composition containing chromium catalyst and its preparing method
04/15/1998CN1178719A Catalyst for preparing ethane and ethylene by selective oxidizing of methylene with carbon dioxide
04/14/1998US5739074 Metal cation-modified alkylation catalysts
04/09/1998WO1998014417A1 A zeolite-based ethylbenzene process adaptable to an aluminum chloride-based ethylbenzene plant
04/09/1998WO1998014415A1 Selective para-xylene production by toluene methylation
04/08/1998CN1178212A Preparation of diarylethanes
04/08/1998CN1037968C Preparation of chromium compounds
04/07/1998US5736107 Apparatus for oxidative coupling of methane
04/07/1998CA2100055C Preparation of high purity vinylidene olefin
04/02/1998DE19639734A1 Production of oligomeric olefin(s) from hydrocarbon mixture
04/01/1998EP0832866A2 Process for the preparation of methylene-bridged biscyclopentadienyl compounds
03/1998
03/31/1998US5733439 Alkylation catalyst; hydrocracking; oligomerization
03/31/1998CA2066103C Process for the vapor-phase thermal cracking of dicyclopentadiene and a process for the manufacture of high purity dicyclopentadiene
03/25/1998EP0830443A1 Fluid mixtures of methylidene- or methyl-substituted linear hydrocarbons and derivatives thereof
03/25/1998EP0800497A4 Continuous process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation
03/25/1998EP0737178B1 Recovery of reactants and products in production of alkenyl bridged ring compounds
03/25/1998CN1176955A Method for preparing methylene bridged bicyclic pentadiene compounds
03/24/1998US5731487 Using a coordination catalyst
03/24/1998US5731486 Process for preparing 3-methyl-2-pentene
03/24/1998US5731480 Coproduction of vinylidene alcohols and vinylidene hydrocarbons
03/24/1998US5731256 Alkylation catalyst for C4 -C5 isoparaffins using at least one C2 -C6 olefin
03/24/1998US5731101 Amine salt catalyst
03/19/1998WO1998010865A1 Use of microporous anorganic membrane catalysts
03/19/1998DE19637365A1 Verwendung von mikroporösen anorganischen Membrankatalysatoren Using microporous inorganic membrane catalysts
03/19/1998CA2265579A1 Use of microporous anorganic membrane catalysts
03/18/1998CN1176149A Bismuth-containing catalysts
03/17/1998US5728912 Butene-1 production by dimerization of ethylene comprising an improved spent catalyst removal section
03/12/1998WO1998009929A1 Alkylation of organic aromatic compounds using beta zeolite catalyst
03/12/1998WO1998009928A2 Alkylation process using zeolite beta
03/11/1998CN1175567A Process for alkylation with recycle of reactor effluent
03/11/1998CN1175550A Method for refining waste sulfuric acid from alkylation
03/10/1998US5725756 In situ mitigation of coke buildup in porous catalysts with supercritical reaction media
03/09/1998WO1998038225A1 Method of recovering boron trifluoride complex and process for producing olefin oligomer using the same
03/04/1998EP0826654A1 Process for the preparation of derivatives of indene
03/04/1998EP0826653A1 Process for the alkylation of aromatic hydrocarbons with recycle of reactor effluent
03/04/1998EP0826417A1 Bismuth containing catalysts
03/04/1998EP0825971A1 Process for producing low aromatic diesel fuel with high cetane index
03/04/1998CN1174757A Molybdenum/phosphorated five member ring zoolite catalyst for preparing ethylene and acomatic hydrocarbon by methane anaerobic dehydrogenation and its application
03/04/1998CN1037610C Process for olefin polymerization
03/03/1998US5723715 Isoparaffin-olefin alkylation
03/03/1998US5723714 Process for the preparation of methylenecyclopropane
03/03/1998US5723713 Oligomerization, metathesis
03/03/1998US5723712 Catalytic composition for biphase catalysis, in particular using nickel complexes, and a process for the oligomerization of olefins
03/03/1998US5723710 Alkylene with propylene to form cumene
03/03/1998US5723709 Terpene dimer compositions and related methods of manufacture