Patents
Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080)
09/2002
09/19/2002WO2002072507A1 Method of recovering cumene
09/19/2002US20020131930 Steam stability; can be used as catalysts for hydrocarbon conversions, including the fluidized bed catalytic cracking and the hydrocracking of petroleum oils, and other reactions of organic compounds
09/19/2002US20020130407 Diamondoid-containing materials in microelectronics
09/19/2002US20020129930 Reactor device having an enclosure made of refractory material and a containment envelope for bringing about chemical reactions requiring heat exchange
09/19/2002CA2440734A1 Process for recovering cumene
09/12/2002WO2002070626A1 Pyrolysis tube and pyrolysis method for using the same
09/11/2002EP1021244B1 A method of providing heat
09/06/2002WO2001064335A3 Iron, cobalt and/or nickel containing alpo bound sapo molecular sieve catalyst for producing olefins
09/04/2002EP0951443B1 Hydrocarbon conversion using large crystal zeolite catalyst
09/03/2002US6444864 Using radio frequency
08/2002
08/28/2002EP1234013A1 Naphtha cracking and hydroprocessing process for low emissions, high octane fuels
08/28/2002EP0988265B1 Heavy aromatics processing
08/27/2002US6441263 Ethylene manufacture by use of molecular redistribution on feedstock C3-5 components
08/21/2002EP1232229A1 Multiple feed process for the production of propylene
08/20/2002US6436869 Iron, cobalt and/or nickel containing ALPO bound SAPO molecular sieve catalyst for producing olefins
08/14/2002EP1194375A4 Synthetic porous crystalline mcm-68, its synthesis and use
08/14/2002EP1137739A4 Catalytic cracking process using an mcm-68 catalyst
08/13/2002US6433240 Using transition metal catalyst
08/13/2002US6433235 Two stage; low temperature, high temperature process
08/13/2002US6433234 Process for the production of olefins
08/08/2002US20020104780 Prepared by using phenylcycloalkylmethyl ammonium cations as structure directing agents.
08/06/2002US6429348 Method for selectively producing propylene by catalytically cracking an olefinic hydrocarbon feedstock
07/2002
07/31/2002EP1226223A1 Coking reduction in cracking reactors
07/25/2002WO2002058139A2 Diamondoid-containing materials in microelectronics
07/25/2002WO2002057203A1 Compositions comprising cyclohexamantane
07/25/2002WO2002057202A1 Compositions comprising higher diamondoids and processes for their separation
07/25/2002WO2002057201A2 Polymerizable higher diamondoid derivatives
07/25/2002CA2434921A1 Polymerizable higher diamondoid derivatives
07/25/2002CA2434791A1 Diamondoid-containing materials in microelectronics
07/24/2002EP1045820B1 Ethylene plant refrigeration system
07/18/2002US20020092797 Aromatics are converted to benzene, toluene, xylene enriched components through hydrodealkylation and/or transalkylation, and non-aromatics are converted to liquefied petroleum gas through hydrocracking in the presence of a catalyst
07/17/2002CN1358695A Productive process for isoalkene and/or tertiary alkyl ether
07/16/2002US6420621 Optimized process for the preparation of olefins by direct conversion of multiple hydrocarbons
07/11/2002US20020091060 Crystalline aluminosilicate zeolite with a SiO2/Al2O3 molar ratio of 10-100; 0.05-10 parts of metal bismuth or oxides thereof supported on the zeolite
07/04/2002US20020084179 Photoresponsive surfaces
06/2002
06/27/2002US20020082462 Recovering in a paraxylene recovery unit portion of paraxylene from at C-8 aromatics stream to produce a first stream having a reduced paraxylene content; passing to zeolite membrane unit comprising a zeolite membrane and isomerisation catalyst
06/25/2002US6410813 Production of olefins
06/25/2002CA2207501C Strengthened ethylene pyrolysis alloy
06/20/2002WO2001090279A3 Process for selectively producing c3 olefins in a fluid catalytic cracking process
06/06/2002WO2002044306A1 Process for producing aromatic hydrocarbon compounds and liquefied petroleum gas from hydrocarbon feedstock
06/05/2002EP0778811B9 Synthetic swelling clay minerals
05/2002
05/29/2002EP1208183A1 Method and installation for thermally cracking hydrocarbons, especially for producing olefins
05/22/2002EP1206317A1 Zeolite bound catalyst containing at least three different zeolites; use for hydrocarbon conversion
05/15/2002EP1204720A1 Method for producing c 2? to c 4? olefins from a feed mixture containing c 4? to c 8? olefins
05/15/2002CN1348941A Combined technological and comprehensive utilizing method in C5 prodn. splitting process
05/14/2002US6388152 Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process
05/10/2002WO2002036529A1 Production method of dicyclopentadiene from c5-fraction of hydrocarbon pyrolysis
05/01/2002CN1083823C Process for preparing paraxylene
05/01/2002CN1083822C Process for conversion of ethylbenzene
04/2002
04/30/2002US6380448 Depolymerization by heating at low temperature in presence of catalyst
04/24/2002CN1083412C Methylation of toluene to para-xylene
04/23/2002US6376733 Process for production of paraxylene
04/18/2002US20020043479 Increasing production in hydrocarbon conversion processes
04/17/2002EP1196363A1 Process for the production of propylene from olefinic streams
04/17/2002EP1196361A1 High temperature metathesis process
04/17/2002EP1044069B1 Preparation of zeolite bound by mfi structure type zeolite and use thereof
04/10/2002EP1194501A1 Production of olefins
04/10/2002EP1194375A1 Synthetic porous crystalline mcm-68, its synthesis and use
04/09/2002CA2036143C Catalytic hydrodealkylation of aromatics
04/04/2002WO2002026628A1 Process for selectively producing c3 olefins in a fluid catalytic cracking process
04/04/2002CA2388605A1 Process for selectively producing c3 olefins in a fluid catalytic cracking process
04/02/2002US6365792 Preparation of acetylene and synthesis gas
03/2002
03/28/2002WO2001090278A3 Process for selectively producing propylene in a fluid catalytic cracking process
03/20/2002CN1341078A Synthetic porous crystalline MCM-68, its synthesis and use
03/14/2002DE10042389A1 Catalytic hydrogenative cracking of high aromatics-content hydrocarbons with coke by-product fed along with catalyst to regeneration vessel to give high catalyst activity and constant product composition
02/2002
02/27/2002EP0981406A4 Improved catalyst composition useful for conversion of non-aromatic hydrocarbons to aromatics and light olefins
02/14/2002US20020018747 Ultrastable porous aluminosilicate structures
02/07/2002US20020016258 Alumina, a metal oxide, and, as a coke suppressor, silicon oxides, phosphorus oxides, boron oxides, titanium oxides, zirconium oxides, indium oxides, or lanthanum oxides; hydrodealkylating a C9+ aromatic compound
02/06/2002CN1334262A Process for preparing high-purity cyclopentadiene and its special equipment
02/05/2002CA2180292C Recovery of reactants and products in production of alkenyl bridged ring compounds
01/2002
01/31/2002WO2001064763A3 Process for producing polypropylene from c3 olefins selectively produced in a fluid catalytic cracking process
01/24/2002WO2001064762A3 Process for producing polypropylene from c3 olefins selectively produced by a two stage fluid catalytic cracking process
01/24/2002DE10033477A1 New high activity acid catalyst, for use e.g. in hydrocarbon isomerization, cracking or alkylation, comprising zirconium oxide carrier, sulfating component and zirconium compound binder
01/23/2002EP0909266B1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization
01/22/2002CA2175656C A process for producing light olefins by catalytic conversion of hydrocarbons
01/17/2002WO2002004390A1 Improved ethylene manufacture by use of molecular redistribution on feedstock c3-5 components
01/15/2002US6339181 Multiple feed process for the production of propylene
01/15/2002US6339180 Naphtha stream is contacted with a catalyst containing crystalline zeolite, heating and pressurization to form propylene; separation from cracked product and polymerizing the propylene to form polypropylene
01/08/2002US6337428 Conversion of hydrocarbons with a dealuminated NU-86 zeolite catalyst
01/03/2002WO2001064761A3 Process for producing polypropylene from c3 olefins selectively produced in a fluid catalytic cracking process from a naphtha/steam feed
01/03/2002WO2001064760A3 Process for producing polypropylene from c3 olefins selectively produced in a fluid catalytic cracking process
01/02/2002EP1165473A1 Process for preparing 2,6-dialkylnaphtalene
01/01/2002US6334947 Catalyst comprising at least a hydrogenation metal component and a synthetic clay and a process of using
12/2001
12/27/2001US20010056217 Process for manufacturing olefins
12/27/2001US20010056216 Optimized process for the preparation of olefins by direct conversion of multiple hydrocarbons
12/13/2001US20010051754 Using a first catalyst bed of acid zeolite, such as ZSM-5 which disproportionates toluene and downstream second bed of zeolite having hydrogenation-dehydrogenation activity, such as platinum-ZSM-5, to selectively eliminate ethylbenzene
12/12/2001EP0880488B1 Process for conversion of ethylbenzene
12/06/2001WO2001092155A1 Zeolite ssz-53
12/06/2001WO2001092154A1 Ultrastable porous aluminosilicate structures
11/2001
11/29/2001WO2001090279A2 Process for selectively producing c3 olefins in a fluid catalytic cracking process
11/29/2001WO2001090278A2 Process for selectively producing propylene in a fluid catalytic cracking process
11/29/2001WO2001090034A1 Process for the production of propylene from olefinic streams
11/29/2001US20010047120 Vaporization of a dicyclopentadiene mixture, condensing high-boiling components and collecting residual vapor at a temperature lower than the boiling point of cyclopentadiene; purity; metallocenes for vapor deposition on printed circuits
11/29/2001US20010046936 Containing fluorine and a cation of a group IA, IIA or VIII element or of NH4 or alkyl- or aryl-ammonium; hydrocracking catalyst
11/29/2001CA2380059A1 Process for selectively producing propylene in a fluid catalytic cracking process
11/29/2001CA2379980A1 Process for selectively producing c3 olefins in a fluid catalytic cracking process
11/28/2001CN1324337A Process for the production of olefins
11/28/2001CN1323769A Transalkylation catalyst and its prepn.
11/28/2001CN1323768A Cracking gas compressing process in ethylene production
11/27/2001US6322760 Process and apparatus for thermal conversion of hydrocarbons to aliphatic hydrocarbons which are more unsaturated than the starting products, combining a steam cracking step and a pyrolysis step
1 ... 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ... 51