| Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080) |
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| 02/05/2004 | US20040020828 Hydrocarbon conversion using zeolite SSZ-53 |
| 02/04/2004 | CN1472182A Heavy arenes catalytic dealkylation catalyst and preparing method thereof |
| 02/04/2004 | CN1472181A Heavy arenes lightening catalyst and preparing method thereof |
| 02/03/2004 | US6685893 Pyrolysis heater |
| 01/29/2004 | WO2004009519A1 Method for producing propylene from a flow containing c4 to c8 olefins |
| 01/21/2004 | CN1468833A High-frequency plasma natural gas cracking process of synthesizing C2 hydrocarbon |
| 01/15/2004 | WO2003082462A3 Combined oxydehydrogenation and cracking catalyst for production of olefins |
| 01/15/2004 | WO2003062352A3 Method for the prepartion of lower olefines by steam cracking |
| 01/08/2004 | US20040004025 Downflow catalytic cracking reactor and its application |
| 01/07/2004 | EP1377651A1 Atomized polysulfide used in ethylene steam cracker |
| 01/06/2004 | CA2156212C Carbon dioxide addition in hydrocracking/hydroisomerization processes to control methane production |
| 01/02/2004 | EP1375458A1 Method of recovering cumene |
| 12/24/2003 | WO2003106593A1 Method for converting methane-containing gaseous hydrocarbon mixtures to liquid hydrocarbons |
| 12/18/2003 | WO2003051510A3 Method for thermally decoking a zeolite catalyst |
| 12/18/2003 | WO2002096804A3 Processes for the purification of higher diamondoids and compositions comprising such diamondoids |
| 12/17/2003 | CN1131190C Ethane oxidizing and cracking process to producing ethylene |
| 12/17/2003 | CN1131189C Cracking gas compressing process in ethylene production |
| 12/10/2003 | EP1368832A2 Diamondoid-containing materials in microelectronics |
| 12/10/2003 | EP1368289A1 Process for pyrolyzing a light feed |
| 12/04/2003 | US20030225306 Process and apparatus for preparing olefins |
| 12/03/2003 | EP1194375B1 Synthetic porous crystalline mcm-68, its synthesis and use |
| 11/27/2003 | US20030220530 Process and apparatus for preparing olefins |
| 11/25/2003 | US6652832 Using n,n-dimethylhexamethylenimine template; hydrorefinign catalyst |
| 11/19/2003 | CN1457356A Pyrolysis tube and pyrolysis method for using the same |
| 11/19/2003 | CN1456543A Polystyrene treating method |
| 11/18/2003 | CA2303082C Improvements in a method of reclaiming styrene and other products from polystyrene based materials |
| 11/06/2003 | WO2003091360A1 Process for pyrolysis of hydrocarbon |
| 11/06/2003 | WO2003090918A1 Downflow catalytic cracking reactor and use thereof |
| 10/29/2003 | EP1357166A1 Process and apparatus for the production of olefins |
| 10/29/2003 | EP1357165A1 Process and apparatus for the production of olefins |
| 10/23/2003 | US20030199710 Functionalized higher diamondoids |
| 10/22/2003 | CN1125007C Preparation method of cyclopentane |
| 10/22/2003 | CN1125005C Process for processing low-carbon paraffin |
| 10/21/2003 | US6635792 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 |
| 10/16/2003 | WO2002058139A3 Diamondoid-containing materials in microelectronics |
| 10/15/2003 | EP1351905A2 Polymerizable higher diamondoid derivatives |
| 10/14/2003 | US6632416 Zeolite SSZ-53 |
| 10/09/2003 | WO2003082462A2 Combined oxydehydrogenation and cracking catalyst for production of olefins |
| 10/09/2003 | US20030191020 Autothermal process for the production of olefins |
| 10/02/2003 | US20030187315 Spherical catalysts to convert hydrocarbons to light olefins |
| 09/30/2003 | US6627780 Hydrodealkylation of 1,2,4-trimethylbenzene to xylene using catalyst comprising molybdenm oxide-promoted alumina, phosphorus oxide |
| 09/25/2003 | WO2003078547A2 Method for jointly producing propylene and petrol from a relatively heavy charge |
| 09/25/2003 | WO2003078364A1 Multi-step method of converting a charge containing olefins with four, five or more carbon atoms in order to produce propylene |
| 09/25/2003 | US20030181777 Enhanced production of light olefins |
| 09/25/2003 | US20030181325 Comprising a mixture of a solid acid component, e.g. a zeolite, and a mixed oxide component based on at least one metal of the following groups: 1-3, 4-15 and 16-17; high paraffin conversion; high olefin yield; low aromatics yield |
| 09/24/2003 | CN1443738A Oxide catalyst for ethylbenzene dehydrogenation to prepare styrene |
| 09/24/2003 | CN1443735A Method for preparing alkyl aromatics dehydrogenation catalyst |
| 09/24/2003 | CN1122003C Production method for preparing toluene by using dipentene and use catalyst |
| 09/24/2003 | CN1122002C Quench oil viscosity control in pyrolysis fractionator |
| 09/23/2003 | US6624116 On-line synthesis and regeneration of a catalyst used in autothermal oxidation |
| 09/18/2003 | WO2003076550A1 Catalytic cracking process |
| 09/18/2003 | WO2003076371A1 Process for producing propylene and hexene from c4 olefin streams |
| 09/18/2003 | US20030176754 Process for producing propylene and hexene from C4 olefin streams |
| 09/18/2003 | DE10233069C1 Propylene production from liquid feed stream containing higher olefins by catalytic steam cracking includes compression of gaseous product, separating gas and separating liquid into 2 fractions before partial recycling |
| 09/11/2003 | US20030171634 Producing C2-C4 olefins by contacting a C5 or higher feedstock with a synthetic porous crystalline material ITQ-13 and, optionally, a large pore molecular sieve, such as zeolite Y. |
| 09/03/2003 | EP1339813A1 Process for producing aromatic hydrocarbon compounds and liquefied petroleum gas from hydrocarbon feedstock |
| 09/03/2003 | EP0738313B1 Protective layer for a steel portion of a reactor system for hydrocarbon processing |
| 08/28/2003 | US20030163011 Unsaturated organic compound in liquid or dissolved form is mixed with at least one metathesis catalyst in liquid or dissolved form in at least one microreactor and reacted for a residence time, and organic compound formed is isolated |
| 08/27/2003 | CN1438969A Zeolite SSZ-53 |
| 08/20/2003 | EP1036052B1 Method and reactor for making norbornene |
| 08/19/2003 | CA2057738C Catalytic compositions |
| 08/07/2003 | US20030149322 Thermocracking with steam, recirculating the by-products, selective catalyzing the hydrogenation of by-products in fixed beds; producing ethylene and propylene |
| 08/06/2003 | CN1434010A Method and device for decomposing waste material |
| 08/05/2003 | US6603030 Process for producing phosphineoxide vitamin D precursors |
| 08/05/2003 | US6602483 Increasing production in hydrocarbon conversion processes |
| 08/05/2003 | US6602403 Contacting naphtha feed having vapor pressure, boiling range, average octane number and containing paraffinic and olefinic species under catalytic conversion conditions with catalyst containing crystalline zeolite having specified pore size |
| 07/31/2003 | WO2003062352A2 Method for the prepartion of lower olefines by steam cracking |
| 07/31/2003 | WO2003062253A1 Metal complexes for use in metathesis |
| 07/31/2003 | WO2003062178A1 Process for the utilization of refinery c4 streams |
| 07/31/2003 | CA2473029A1 Ruthenium and osmium carbene complexes for use in metathesis |
| 07/30/2003 | CN1116111C Preparation of zeolite bound by MFI structure type zeolite and use thereof |
| 07/24/2003 | WO2003059851A1 Olefin production from low sulfur hydrocarbon fractions |
| 07/24/2003 | US20030139636 Method for selectively producing propylene by catalytic cracking an olefinic hydrocarbon feedstock |
| 07/17/2003 | US20030135077 Converting a source of natural gas at a remote site into a low sulfur naphtha, transporting the low sulfur naphtha to a different facility and subsequently processing the low sulfur naphtha to produce ethylene. |
| 07/10/2003 | US20030127361 Mixing blades in pyrolysis tube |
| 07/09/2003 | EP0950042B1 Two-stage process for obtaining significant olefin yields from residua feedstocks |
| 07/03/2003 | WO2003053849A1 Ultrastable porous aluminosilicates strucures and compositions derived therefrom |
| 07/03/2003 | US20030125593 Alumina, metal oxide, phosphorus oxide and optionally, an acid site modifier containing catalyst for hydrodealkylating a C9+ aromatic compound such as 1,2,4-trimethylbenzene to a C6 to C8 aromatic hydrocarbon such as a xylene |
| 07/01/2003 | US6586648 Process for producing cyclopentadiene or derivatives thereof and apparatus for the same, and process for producing metallocenes or derivatives thereof |
| 07/01/2003 | US6585952 Ultrastable hexagonal, cubic and wormhole aluminosilicate mesostructures |
| 06/26/2003 | WO2003051510A2 Method for thermally decoking a zeolite catalyst |
| 06/26/2003 | DE3348504C2 Barium-exchanged zeolite L catalyst contg. platinum |
| 06/25/2003 | EP1204720B1 Method for producing c2 to c4 olefins from a feed mixture containing c4 to c8 olefins |
| 06/18/2003 | CN1111518C Heavy aromatics processing |
| 06/04/2003 | CN1421424A Comprehensive utilization of wax in cracking to prepare alpha-olefine |
| 06/04/2003 | CN1110365C Dealuminised NU-86 zeolite and its use in conversion of hydrocarbons |
| 05/30/2003 | WO2003044125A2 A process to produce a dilute ethylene stream and a dilute propylene stream |
| 05/20/2003 | US6566573 Autothermal process for the production of olefins |
| 05/15/2003 | WO2003040261A2 Fischer tropsch composition and process |
| 05/15/2003 | US20030092950 Method of conversion of heavy aromatics |
| 05/07/2003 | EP1109761B1 Para-xylene production process |
| 04/30/2003 | CN1413966A Method for producing propen of C4 and its above colefines catalytic cracking |
| 04/30/2003 | CN1413965A Method for producing propene using C4 and its above colefines |
| 04/29/2003 | US6555089 Prepared using a N-butyl-N-cyclooctylpyrrolidinium cation or N- propyl-N-cyclooctylpyrrolidinium cation templating agent |
| 04/17/2003 | US20030070963 The cracking of hydrocarbon fractions, to obtain low olefins, in particular ethylene, is performed in reaction tubes that are coated with a catalyst containing calcium aluminate doped with potassium pyrovanadate |
| 04/16/2003 | EP1196363B1 Process for the production of propylene from olefinic streams |
| 04/16/2003 | EP1109763B1 Autothermal process for the production of olefins |
| 04/16/2003 | EP0912473B1 Methylation of toluene to para-xylene |
| 04/15/2003 | US6548725 Process for manufacturing olefins |
| 04/15/2003 | US6548040 Process for preparing a zeolite with structure type MTT using specific template precursors |