Patents
Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158)
11/2002
11/13/2002EP1256559A1 Method and system for purifying styrene feedstock in which a catalyst with a low palladium content is used
11/13/2002EP1255719A1 Integrated process for producing an alkenyl-substituted aromatic compound
11/13/2002EP1255715A1 Method for preparing a polyaromatic compound
11/13/2002EP1255609A1 Catalyst for hydrogenating unsaturated hydrocarbons
11/13/2002EP0983284A4 Synthesis of n-silylated cyclopentaphenanthrene compounds
11/13/2002CN1379698A Zeolite bound catalyst containing at least three different zeolites, and use for hydrocarbon conversion
11/13/2002CN1379007A Method of joint produce pare xylene and metaxylene including two stage separation
11/12/2002US6479721 Alkylation process operating at low olefin ratios
11/12/2002US6479720 Alkylaromatic process using efficient prefractionation
11/12/2002US6479709 Process for the production of styrene derivative
11/12/2002CA2252436C Process for the manufacture of surfactants containing branch chain alkyl groups
11/07/2002WO2002088148A1 Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein,with application for gas storage
11/07/2002WO2002088056A1 Xylene isomerization
11/07/2002WO2002088052A1 Production of diisopropylbenzene
11/07/2002WO2002088051A1 Aromatics alkylation
11/07/2002US20020165418 By dehydrogenation of ethylbenzene; maintaining the carbon dioxide-generating ratio in the dehydrogenation step at a level less than 2.1 times that at the initial stage of the reaction; high yield over a long time
11/07/2002CA2446020A1 Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage
11/06/2002CN1377870A Process for producing phenyl ethylene by ethyl benzene catalytic dehydrogenation
11/06/2002CN1377867A Pre-treatment agent for aroamtic hydrocarbon raw material
11/06/2002CN1377866A Pre-treatment method for aromatic hydrocarbon
11/06/2002CN1377864A Benzene and heavy arene transalkylation method
11/06/2002CN1093776C Recombined iron oxide
11/05/2002US6475348 Mixture of substances containing compounds with vinyl groups and stabilizers
10/2002
10/30/2002EP1253179A1 Aromatic condensed-ring compounds, light emitting device materials and light emitting devices using the same
10/30/2002EP1252927A1 Catalyst for alkylating aromatic compounds with olefins, alcohols or polyalkylated aromatic compounds
10/30/2002EP1252259A1 Method and device for producing aromatic compounds comprising catalyst reduction
10/30/2002EP0888268B1 Method for the cyclotrimerization of alkynes in aqueous solutions
10/30/2002EP0703886B1 Process for modifying the shape selectivity of a zeolite catalyst and use of the modified catalyst
10/30/2002CN1376664A Propynyl or diene diaryl compounds
10/29/2002US6472576 Process for preparing 2,6-dimethylnaphthalene
10/29/2002US6472567 Reacting a grignard reagent prepared from a substituted phenyl halide, especially a tert-butoxyphenyl halide, with a vinyl halide in the presence of a manganese, iron, cobalt or rhodium catalyst; product free from biphenyl.
10/24/2002WO2002083569A2 Iron oxides with a higher degree of refining
10/23/2002EP1250300A1 Alkylation process
10/23/2002CN1376142A Process for the dehydrogenation of ethylbenzene to styrene
10/23/2002CN1376089A Method for preparing a low acidity refractory oxide-bound zeolite catalyst
10/16/2002EP1248757A1 Inhibition of polymerization of unsaturated monomers
10/16/2002EP0988264A4 Process for the alkylation of benzene
10/16/2002EP0960086B1 Recovery of a secondary ethylene stream from an ethylene purification process
10/15/2002US6464838 Process for the recovery of compounds present in the heavy products after their preparation
10/15/2002CA2062560C Improved catalytic process for selective alkylation of aromatic hydrocarbons
10/10/2002WO2002079128A1 Mini-structured catalyst beds for three-phase chemical processing
10/10/2002US20020147347 Aromatic methylidene compounds, aromatic aldehyde compounds and methylstyryl compounds used to prepare the methylidene compounds, and methods for preparing these compounds
10/09/2002CN1373006A Zeolite catalyst for preparing ethylbenzene from polyethyl benzene and benzene and preparing process thereof
10/09/2002CN1373004A Zeolite catalyst for preparing ethyl benzene from polyethyl benzene and phenalkyl and preparing process thereof
10/09/2002CN1092172C Process for preparation of monoalkyl benzene
10/08/2002US6462246 Alkenylating an aromatic hydrocarbon with an olefin in the presence of beta-diketone and rhodium complex catalyst; without use of carboxylic acid such as acetic acid
10/08/2002US6462245 Actinide-containing molecular sieves, and their use in organic synthesis of polymers from ethylbenzene
10/08/2002US6461993 Method for preparing a hydrogenation catalyst system
10/03/2002WO2000043473A3 Aqueous heavy duty liquid detergent compositions comprising modified alkylbenzene sulfonates
10/03/2002US20020143223 Process for co-producing para-xylene and metaxylene, comprising two separation steps
10/03/2002US20020143011 Tri-substituted phenyl derivatives and processes for their preparation
10/03/2002US20020142591 Method of synthesizing copper precursors
10/03/2002EP1144571A3 Aqueous heavy duty liquid detergent compositions comprising modified alkylbenzene sulfonates
10/02/2002EP1245552A1 Process for the coproduction of para-xylene and of meta-xylene comprising two separation steps
10/01/2002US6459006 Selective methylation to para-xylene using fuel syngas
10/01/2002US6458736 The binder comprising particles having a particle size less than that of the first zeolite; hydrorefining catalyst selectivity; cracking; isomerization; disproportionation; transalkylation; alkylation; reforming
09/2002
09/26/2002US20020137977 Aromatic conversion processes and zeolite catalyst useful therein
09/26/2002US20020137974 Catalysis using phosphine oxide and sulfoxide compounds
09/25/2002EP1242344A1 Dehydrogenation of an alkyl aromatic compound and catalyst regeneration in a fluidized bed reactor
09/25/2002EP1242343A1 Aromatics alkylation
09/24/2002US6455712 Preparation of oxirane compounds
09/24/2002US6454948 Adsorption
09/19/2002WO2002072654A2 Polymers and oligomers, their synthesis, and electronic devices incorporating same
09/19/2002WO2002072519A2 Process catalysed by fluoroalkylsulfonated compounds, preferably bis-triflimide compounds
09/19/2002WO2002072507A1 Method of recovering cumene
09/19/2002WO2002072260A2 Metal bis-triflimide compounds, their synthesis and their uses
09/19/2002CA2441745A1 Polymers and oligomers, their synthesis, and electronic devices incorporating same
09/19/2002CA2440942A1 Process catalysed by fluoroalkylsulfonated compounds, preferably bis-triflimide compounds
09/19/2002CA2440937A1 Metal bistriflimide compounds, their synthesis and their uses
09/19/2002CA2440734A1 Process for recovering cumene
09/18/2002EP1240272A2 A new family of conducting liquid crystals
09/18/2002EP1131156B1 A method for preparing a hydrogenation catalyst system
09/12/2002WO2002070131A1 Microencapsulated metal catalyst
09/12/2002US20020128486 Phosphinite-oxazolines and metal complexes
09/11/2002EP1238700A1 Hydrogenolysis catalyst
09/11/2002EP0837848B1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
09/11/2002CN1368974A Removal of dissolved silicates from alcohol-silicon direct synthesis solvents
09/10/2002US6448459 Hydrocarbon feedstock is enriched with ethylbenzene which is recovered; isomerized in a catalytic isomerization zone in vapor phase in the presence of hydrogen with a catalyst, an isomerate recovered; distillation; recycling, adsorption
09/10/2002US6448458 Arylalkane compositions produced by isomerization, dehydrogenation, and alkylation
09/10/2002US6448437 Disproportionation catalyst
09/10/2002US6447649 Synergistic mixture of a quinone diimide and hydroquinone
09/05/2002US20020123658 Recycling streams containing polymerization inhibitors at reboiler temperature no higher than 110 degrees C
09/04/2002EP1235764A1 Catalysis using phosphine oxide compounds
09/04/2002EP1056696B1 Process for the preparation of styrenes
09/04/2002EP0951443B1 Hydrocarbon conversion using large crystal zeolite catalyst
09/04/2002EP0914308B1 Modified mcm-56, its preparation and use
09/04/2002CN1090158C Gas phase alkylation-liquid transalkylation process
09/04/2002CN1090157C Process for preparing middle chain to near middle chain branched alpha-alkene
08/2002
08/29/2002WO2002066579A1 Method for producing aromatic hydrocarbons
08/29/2002WO2002066575A1 Asymmetric dendrimers
08/29/2002US20020119953 Sickle cell anemia
08/28/2002EP1233989A2 Inhibition of polymerization of unsaturated monomers
08/28/2002EP1233937A2 Inhibition of polymerization of unsaturated monomers
08/28/2002EP0988265B1 Heavy aromatics processing
08/28/2002EP0531475B1 Naphthyl organic compounds
08/28/2002CN1089741C Process for producing ethylene from demethanation at high temp
08/27/2002US6441263 Ethylene manufacture by use of molecular redistribution on feedstock C3-5 components
08/22/2002WO2002064707A2 A process for preparing (branched-alkyl) arylsulphonates and a (branched-alkyl) arylsulphonate composition
08/22/2002WO2002064533A1 Obtaining anthracene and carbazole by melt-crystallization
08/22/2002WO2000023405A9 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
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