| Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080) | 
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| 09/22/2004 | EP1458478A2 Method for thermally decoking a zeolite catalyst | 
| 09/16/2004 | WO2004078883A1 Fractionating and further cracking a c6 fraction from a naphtha feed for propylene generation | 
| 09/16/2004 | WO2004078882A1 Fractionating and further cracking a c6 fraction from a naphtha feed for propylene generation | 
| 09/16/2004 | WO2004078881A1 C6 recycle for propylene generation in a fluid catalytic cracking unit | 
| 09/16/2004 | CA2516082A1 Fractionating and further cracking a c6 fraction from a naphtha feed for propylene generation | 
| 09/16/2004 | CA2515528A1 Fractionating and further cracking a c6 fraction from a naphtha feed for propylene generation | 
| 09/15/2004 | CN1166751C Shape selective zeolite catalyst and its use in aromatic compound conversion | 
| 09/14/2004 | US6791002 Selective convertion to ethylene and propylene | 
| 09/10/2004 | WO2004076064A1 Catalyst and process for the preparation of linear alkanes | 
| 09/10/2004 | CA2516615A1 Catalyst and process for the preparation of linear alkanes | 
| 09/08/2004 | CN1165502C Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed | 
| 08/31/2004 | US6784329 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. | 
| 08/31/2004 | US6783589 Diamondoid-containing materials in microelectronics | 
| 08/26/2004 | WO2004072002A1 Method for producing lower olefin | 
| 08/25/2004 | CN1163459C Process for preparing high-purity cyclopentadiene and its special equipment | 
| 08/25/2004 | CN1163457C Combined process for comprehensive utilizing cracked C5 | 
| 08/24/2004 | US6781022 Polyvalent bifunctional catalyst and the process of realization of such a catalyst | 
| 08/19/2004 | WO2004069961A2 High purity naphthas for the production of ethylene and propylene | 
| 08/17/2004 | US6777582 Catalyzing the metathesis reaction in a chemical reactor by feeding 1-butene and 2-butene, circulating by-product 2-pentene to form 3-hexene, isomerization to 1-hexene | 
| 08/12/2004 | WO2004067681A2 A process for cracking hydrocarbons using improved furnace reactor tubes | 
| 08/11/2004 | EP0820496B1 Depolymerized styrene products and uses thereof | 
| 08/11/2004 | CN1519053A Catalyst compsns | 
| 08/11/2004 | CN1161309C Prepn. of high-purity cyclopentadiene and dicyclopentadiene | 
| 08/11/2004 | CN1161308C Ethylene plant refrigeration system | 
| 08/10/2004 | CA2159994C Process for degrading complex hydrocarbons to produce simpler hydrocarbons | 
| 08/05/2004 | US20040152933 Forming synthesis gas from hydrocarbons; then olefin naphtha by Fischer- Tropsch process; hydrocracking | 
| 08/04/2004 | EP1442098A2 Fischer tropsch composition and process | 
| 08/04/2004 | CN1160285C Technological process of producing 2,3-dimethyl-2-butene from mixed C6 olefin | 
| 08/03/2004 | US6770258 Acid catalyst; fluidized beds; catalytic cracking | 
| 07/29/2004 | WO2004052535A8 Dehydrogenation catalyst and process for preparing the same | 
| 07/29/2004 | US20040147794 Cracking hydrocarbons in a furnace at a temperature of above about 1300 degrees F. in a pyrolysis cracking furnace comprising reactor furnace tubes which is comprised of a temperature-resistant, non-nickel-containing material | 
| 07/27/2004 | US6768037 Acidic olefin cracking catalyst converts the oxygenates and C6+ olefins in the Fischer-Tropsch product to light olefins such as propylene, butenes, and some pentenes, while leaving paraffins largely unreacted. | 
| 07/22/2004 | WO2004048299A3 Process for olefin production | 
| 07/22/2004 | US20040141906 Novel graphite nanocatalysts | 
| 07/21/2004 | CN1158228C Productive process for isoalkene and/or tertiary alkyl ether | 
| 07/08/2004 | US20040133054 Dehydrogenation catalyst and process for preparing the same | 
| 07/07/2004 | EP0909216B1 Zeolite catalyst and its use in hydrocarbon conversion | 
| 07/07/2004 | CN1156417C Method for producing propene of C4 and its above colefines catalytic cracking | 
| 07/06/2004 | CA2092503C Hydrocarbon conversion process | 
| 06/30/2004 | EP1117750B1 Process for manufacturing olefins using a pentasil zeolite based catalyst | 
| 06/30/2004 | CN1508108A Combined process for synthesizing amylene alcohol | 
| 06/24/2004 | WO2004052535A1 Dehydrogenation catalyst and process for preparing the same | 
| 06/24/2004 | US20040122277 Atomized polysulfide used ethylene steam cracker | 
| 06/23/2004 | EP1165473B1 Process for preparing 2,6-dialkylnaphtalene | 
| 06/23/2004 | CN1506343A Propylene producing process | 
| 06/23/2004 | CN1506342A Process of catalytically cracking C4 and above olefin to produce propylene | 
| 06/16/2004 | EP1112336B1 Process for selectively producing c 3? olefins in a fluid catalytic cracking process | 
| 06/16/2004 | CN1504443A Process for preparing olefin by cracking of kerosene distillate | 
| 06/16/2004 | CN1504442A Method for preparing low carbon olefin by gas-phase oxidation cracking of hydrocarbon with carbon monoxide as a byproduct | 
| 06/10/2004 | WO2004048299A2 Process for olefin production | 
| 06/09/2004 | CN1503732A Pyrolysis heater | 
| 06/08/2004 | USRE38532 Hydrodealkylation processes | 
| 06/08/2004 | US6746659 Zeolites | 
| 06/03/2004 | WO2004046102A2 Novel graphite nanocatalysts | 
| 06/03/2004 | US20040106511 Zeolite ssz-53 for reduction of nitrogen in a gas stream | 
| 06/02/2004 | CN1501900A Processes for the purification of higher diamondoids and compositions comprising such diamondoids | 
| 06/02/2004 | CN1501898A Process for pyrolyzing a light feed | 
| 06/01/2004 | US6743290 Compositions comprising undecamantanes and processes for their separation | 
| 05/27/2004 | US20040102667 Catalystic cracking of hydrocarbon oxidates in chemical reactors to form ethylene, propylene and/or butylene mixtures | 
| 05/26/2004 | CN1151105C Method for producing propene using C4 and its above colefines | 
| 05/21/2004 | WO2004041772A1 Novel process to upgrade fischer-tropsch products and form light olefins | 
| 05/19/2004 | EP1419105A1 Zeolite ssz-60 | 
| 05/19/2004 | CN1496970A Catalyst regenerator with central well | 
| 05/12/2004 | EP1417098A1 Pyrolysis heater | 
| 05/12/2004 | CN1496344A Method for recovering cumene | 
| 05/12/2004 | CN1149185C process for producing ethylene and propylene | 
| 05/11/2004 | CA2103230C Fluid catalytic cracking process for producing light olefins | 
| 05/06/2004 | WO2004037951A1 Process for producing olefin by catalytic cracking of hydrocarbon | 
| 05/06/2004 | WO2004037755A1 Method for producing benzene from benzene and /or alkylbenzene-containing mixtures having a high content of sulphur-containing substances | 
| 05/06/2004 | US20040087824 Novel process to upgrade fischer-tropsch products and form light olefins | 
| 05/06/2004 | US20040087821 Subjecting 2,3-dimethyl-2,3-diphenylbutane, produced as a byproduct by the dimerization of cumene in preparing cumene hydroperoxide, to hydrogenolysis in the presence of a catalyst thereby to convert it into cumene | 
| 04/28/2004 | EP1412289A1 Zeolite ssz-58 | 
| 04/22/2004 | WO2003091360A8 Process for pyrolysis of hydrocarbon | 
| 04/22/2004 | US20040077910 Process for the utilization of refinery C4 streams | 
| 04/21/2004 | EP1144110B1 A polyvalent bifunctional catalyst and the process of realisation of such a catalyst | 
| 04/21/2004 | CN1490288A Method for producing propylene by catalytic cracking method | 
| 04/21/2004 | CN1490287A Method for preparing ethene and propylene | 
| 04/15/2004 | US20040069681 For regenerating spent light FCC catalyst and heating the catalyst to supply heat to an FCC reactor | 
| 04/14/2004 | EP1408100A1 Catalyst regenerator with a centerwell | 
| 04/14/2004 | CN1488613A Method for continuously producing ethyl benzene by catalytic cracking of waste polystyrene | 
| 04/14/2004 | CN1488612A Tube cracking reactor for preparing ethyl benzene by catalytic cracking of waste polystyrene | 
| 04/08/2004 | US20040067842 Ultrastable porous aluminosilicate structures | 
| 03/24/2004 | EP0991613B1 Olefin skeletal isomerization process | 
| 03/23/2004 | US6709572 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. | 
| 03/17/2004 | EP1137739B1 Catalytic cracking process using an mcm-68 catalyst | 
| 03/17/2004 | CN1142022C Transalkylation catalyst and its prepn. | 
| 03/16/2004 | US6706169 Ultrastable hexagonal, cubic and wormhole aluminosilicate mesostructures | 
| 03/11/2004 | WO2003078547A3 Method for jointly producing propylene and petrol from a relatively heavy charge | 
| 03/09/2004 | US6702993 Acid catalyst; fluidized beds; catalytic cracking | 
| 03/04/2004 | WO2003040261A3 Fischer tropsch composition and process | 
| 03/04/2004 | DE19936548B4 Verfahren und Anlage zum thermischen Spalten von Kohlenwasserstoffen, insbesondere zur Herstellung von Olefinen Method and apparatus for thermal cracking of hydrocarbons, especially for producing olefins | 
| 03/03/2004 | EP1392603A2 Processes for the purification of higher diamondoids and compositions comprising such diamondoids | 
| 03/03/2004 | CN1478865A Method of increasing propylene product and reducing olefine content in gasoline using C4 distillation | 
| 02/26/2004 | WO2003082462B1 Combined oxydehydrogenation and cracking catalyst for production of olefins | 
| 02/25/2004 | EP1056695B1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization | 
| 02/25/2004 | CN1478139A Process for producing aromatic hydrocarbon compounds and liquefied petroleum gas from hydrocarbon feedstock | 
| 02/19/2004 | WO2004015029A1 Method and ribbed tube for thermally cleaving hydrocarbons | 
| 02/19/2004 | CA2493463A1 Process and finned tube for the thermal cracking of hydrocarbons | 
| 02/12/2004 | WO2004013042A1 Molecular sieve ssz-64 | 
| 02/12/2004 | DE10233961A1 Cracking hydrocarbon materials in presence of steam heated with pipes having helical inner ribs promoting uniform temperature in pipe wall |