| Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080) | 
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| 02/08/2001 | WO2001009067A1 Plural stage toluene disproportionation process minimizing ethylbenzene production | 
| 02/06/2001 | US6184430 Hydrocracking and hydroisomerization of long-chain alkanes and polyolefins over metal-promoted anion-modified transition metal oxides | 
| 01/25/2001 | WO2001005909A1 Method for producing c2 to c4 olefins from a feed mixture containing c4 to c8 olefins | 
| 01/23/2001 | CA2094456C Polymer cracking | 
| 01/18/2001 | DE19933063A1 Verfahren zum Erzeugen von C¶2¶- bis C¶4¶-Olefinen aus einem C¶4¶- bis C¶8¶-Olefine enthaltenden Einsatzgemisch A method of generating C¶2¶- to C¶4¶-olefins from a C¶4¶- to C¶8¶-olefins containing feed mixture | 
| 01/17/2001 | CN1280118A Recovering process for C2 and C3 material from stopped ethylene plant | 
| 01/17/2001 | CN1060755C Process for producing ethylene and propene by catalytic pyrolytic cracking | 
| 01/11/2001 | WO2001002324A1 High temperature metathesis process | 
| 01/09/2001 | US6171475 Process for controlled degradation of hydrocarbon polymers | 
| 01/03/2001 | EP1064341A1 Hydroprocessing reactor and process with liquid quench | 
| 12/28/2000 | WO2000078894A1 Production of olefins | 
| 12/28/2000 | DE19928645A1 Recovery of styrene from styrene polymers, useful for treatment of polystyrene waste, comprises thermal decomposition under reduced pressure in absence of oxygen | 
| 12/27/2000 | EP1063274A1 Production of olefins | 
| 12/26/2000 | US6166283 Oxidation of paraffinic hydrocarbons to olefins; catalyst comprises a group 8b metal | 
| 12/26/2000 | US6165439 Dealuminated NU-86 zeolite and its use for the conversion of hydrocarbons | 
| 12/19/2000 | CA2042361C A process for the catalytic conversion of a c9+ aromatics feed | 
| 12/13/2000 | CN1276376A Vitamin D precursor of phosphine oxide | 
| 12/12/2000 | US6160191 Heating an aqueous zeolite synthesis mixture under agitation to a nucleation temperature of the synthesis mixture, repeat the same process in the absence of agitation to form a catalyst selectivity | 
| 12/06/2000 | EP1056695A1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization | 
| 11/22/2000 | CN1274342A Process for producing ethylene and propylene | 
| 11/21/2000 | US6150293 Preparation of zeolite bound by MFI structure type zeolite and use thereof | 
| 11/21/2000 | US6149881 Oven having a high temperature polyisoprene pyrolysis zone and a low temperature zone to which isoprene gas produced rapidly transfers, subsequently dimerizing to limonene and condensing for easy separation | 
| 11/11/2000 | CA2308862A1 Process and steam cracker that uses a charge containing ethane and/or propane | 
| 11/09/2000 | WO2000066263A1 Zeolite bound catalyst containing at least three different zeolites; use for hydrocarbon conversion | 
| 11/09/2000 | CA2373051A1 Tailored zeolite bound zeolite catalyst and its use for hydrocarbon conversion | 
| 11/08/2000 | EP1050537A2 Phosphinoxide vitamin d precursors | 
| 11/01/2000 | CN1271710A Preparation of acetylene and synthetic gas | 
| 11/01/2000 | CN1057990C Process for preparing product containing isobutane/isohexane | 
| 10/25/2000 | EP1045820A1 Ethylene plant refrigeration system | 
| 10/24/2000 | US6137019 Process for converting a geminally substituted cyclopentadiene | 
| 10/24/2000 | US6136289 Gel-producing step, by addition of boric acid to an aqueous aluminum-sulfate solution mixed with a aqueous solution containing oxides of na and/or k and of si, without the use of a structural agent | 
| 10/22/2000 | CA2306000A1 Process for producing phosphineoxide vitamin d precursors | 
| 10/19/2000 | WO2000061529A1 Process for preparing 2,6-dialkylnaphtalene | 
| 10/19/2000 | CA2368607A1 Process for preparing 2,6-dialkylnaphtalene | 
| 10/18/2000 | EP1044069A1 Preparation of zeolite bound by mfi structure type zeolite and use thereof | 
| 10/18/2000 | EP1019344A4 Improvements in a method of reclaiming styrene and other products from polystyrene based materials | 
| 10/18/2000 | CN1057506C Synthetic swelling clay minerals | 
| 10/17/2000 | US6133494 Catalyst composition comprising acid-base leached zeolites | 
| 10/11/2000 | CN1269341A Ethane oxidizing and cracking process to produce ethylene | 
| 10/10/2000 | US6130183 Catalyst for oxidative dehydrogenation of paraffinic hydrocarbons and use of this catalyst | 
| 10/05/2000 | DE19914226A1 Verfahren zur Herstellung von Acetylen und Synthesegas A process for the preparation of acetylene and synthesis gas | 
| 10/04/2000 | EP1041037A2 Process for the production of acetylene and synthesis gas | 
| 10/04/2000 | EP1040089A1 Meta-xylene production process | 
| 10/04/2000 | EP0988265A4 Heavy aromatics processing | 
| 09/20/2000 | EP1036136A1 Production of propylene | 
| 09/20/2000 | EP1036052A1 Method and reactor for making norbornene | 
| 09/20/2000 | EP0991613A4 Olefin skeletal isomerization process | 
| 09/20/2000 | CN1056595C Process for preparing olefines by direct conversion of multiple feed hydrocarbons | 
| 09/19/2000 | US6121501 Process for preparing 2,6-dialkylnaphthalene | 
| 09/13/2000 | CN1266042A Method for producing liquefied olefines from waste plastics of polyvinyl and polypropylene | 
| 09/12/2000 | US6118035 Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed | 
| 09/06/2000 | CN1056131C Process for preparing alpha-olefine by thermal cracking of paraffin wax | 
| 09/05/2000 | US6114275 Crystalline metallophosphates | 
| 09/05/2000 | US6114268 Catalyst composition and processes therefor and therewith | 
| 08/29/2000 | US6111156 Integrated high temperature high conversion olefin/polyolefin process | 
| 08/23/2000 | CN1055674C Method for prepartion of high purity cyclopentadiene | 
| 08/22/2000 | US6106675 Use of a low cost supported catalyst at ambient temperature and pressure. | 
| 08/02/2000 | EP1023250A1 Process for preparing 2,6-dialkylnaphthalene | 
| 08/01/2000 | US6096188 Anti-aging additive composition for a quench oil circuit in an ethylene production plant and method of operating the circuit | 
| 07/27/2000 | WO2000043466A1 Catalytic cracking process using an mcm-68 catalyst | 
| 07/27/2000 | WO2000043335A1 Isomerization of paraffins | 
| 07/27/2000 | WO2000043316A1 Synthetic porous crystalline mcm-68, its synthesis and use | 
| 07/26/2000 | EP1021244A1 A method of providing heat | 
| 07/25/2000 | US6093867 Process for selectively producing C3 olefins in a fluid catalytic cracking process | 
| 07/19/2000 | EP1019344A1 Improvements in a method of reclaiming styrene and other products from polystyrene based materials | 
| 07/18/2000 | US6090271 Improving the conversion of a hydrocarbon feedstock to light olefins comprising mixing a hydrocarbon feedstock with a diolefin to form a mixture; and thereafter contacting the mixture with a zeolite cracking catalyst | 
| 07/12/2000 | CN1259983A Hydrocarbon cracking with positive reactor temp. gradient | 
| 07/12/2000 | CN1259930A Heavy aromatics processing | 
| 07/12/2000 | CN1259928A Olefin skeletal isomerization process | 
| 07/05/2000 | EP1016626A1 Zeolite itq-3 | 
| 07/05/2000 | CN1259161A Enhanced olefin yield and catalytic process with diolefins | 
| 06/29/2000 | WO2000014035A3 Autothermal process for the production of olefins | 
| 06/22/2000 | WO2000035838A1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization | 
| 06/22/2000 | CA2320698A1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization | 
| 06/20/2000 | US6077498 Zeolite ITQ-1 | 
| 06/08/2000 | DE19956813A1 Thermal pyrolysis of a charge containing ethane is carried out at specified temperature and dwell time to produce a waste stream containing predominantly ethylene | 
| 06/07/2000 | EP1005515A1 Enhanced olefin yield and catalytic process with diolefins | 
| 06/06/2000 | CA2031957C Conversion of c2+ hydrocarbons using microwave radiation | 
| 06/04/2000 | CA2290882A1 Process of thermal pyrolysis of a charge containing ethane | 
| 05/30/2000 | US6069287 Process for selectively producing light olefins in a fluid catalytic cracking process | 
| 05/30/2000 | US6069286 Hydrocarbon conversion process employing promoted zeolite catalyst | 
| 05/17/2000 | EP1001001A1 Process for the polymerisation of ethylene obtained by cracking | 
| 05/17/2000 | CN1253514A Improved catalyst composition useful for conversion of non-aromatic hydrocarbons to aromatics and light olefins | 
| 05/11/2000 | WO2000026163A1 Process for making propylene and ethylene | 
| 04/19/2000 | EP0699175B1 Process for degrading complex hydrocarbons to produce simpler hydrocarbons | 
| 04/18/2000 | US6051744 Contacting hydrocarbon feed containing ethylbenzene and xylenes with catalyst comprising zsm-5 and platinum in presence of gaseous hydrogen in reactin zone to produce effluent comprising paraxylene and benzene | 
| 04/12/2000 | EP0991613A1 Olefin skeletal isomerization process | 
| 04/11/2000 | US6049018 As alkylation catalyst for alkylation of aromatic hydrocarbons | 
| 04/06/2000 | WO2000018853A1 Process for manufacturing olefins using a pentasil zeolite based catalyst | 
| 04/06/2000 | CA2345308A1 Process for manufacturing olefins using a pentasil zeolite based catalyst | 
| 04/05/2000 | EP0677034B1 Hydrodealkylation processes | 
| 03/29/2000 | EP0988354A1 Hydrocarbon cracking with positive reactor temperature gradient | 
| 03/29/2000 | EP0988265A1 Heavy aromatics processing | 
| 03/29/2000 | CN1050777C Containing rare-earth C9-C10 aromatic dealkyl catalyst and preparing method thereof | 
| 03/23/2000 | WO2000015339A1 Catalyst complex with carbene ligand | 
| 03/22/2000 | EP0877781A4 Shape selective zeolite catalyst and its use in aromatic compound conversion | 
| 03/21/2000 | US6040259 Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion | 
| 03/16/2000 | WO2000014037A1 On-line synthesis and regeneration of a catalyst used in autothermal oxidation | 
| 03/16/2000 | WO2000014036A1 Process for the production of olefins | 
| 03/16/2000 | WO2000014035A2 Autothermal process for the production of olefins |