Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080)
03/2000
03/16/2000WO2000013788A2 A polyvalent bifunctional catalyst and the process of realisation of such a catalyst
03/15/2000EP0950042A4 Two-stage process for obtaining significant olefin yields from residua feedstocks
03/14/2000US6037302 Hydrodealkylation of C9 + aromatic compounds
03/14/2000CA2006542C Catalytic reaction using zeolite nu-87
03/07/2000US6033555 Sequential catalytic and thermal cracking for enhanced ethylene yield
03/02/2000WO2000010948A1 Process for producing ethylene and propylene
03/02/2000WO2000010944A1 Para-xylene production process
03/02/2000CA2341603A1 Para-xylene production process
03/01/2000EP0981406A1 Improved catalyst composition useful for conversion of non-aromatic hydrocarbons to aromatics and light olefins
03/01/2000EP0727404B1 A high productive process for production of lower olefins by catalytic conversion
02/2000
02/29/2000US6031142 Depolymerizing the polystyrene by dissoloving in solvents
02/22/2000US6027635 Continuous pyrolysis and decoking process for use in the production of acetylene
02/15/2000US6025293 Hydrocarbon conversion catalyst composition and processes therefor and therewith
02/03/2000WO2000005185A1 Method of microwave bond cleavage of a hydrocarbon compound in a liquid phase
02/03/2000CA2338428A1 Method of microwave bond cleavage of a hydrocarbon compound in a liquid phase
02/02/2000CN1243116A Production of alpha high-grade olefine using waste plastics
02/01/2000US6020534 Process for production of propylene and ethylene by non-catalytic oxycracking of propane or propane-rich C2 -C4 paraffins
02/01/2000CA1340886C 1, 2-di (4-isobutylphenyl) hydrocarbon and its preparation and uses as intermediate
01/2000
01/26/2000CN1242718A Dealuminised NU-86 zeolite and its use in conversion of hydrocarbons
01/25/2000US6018086 Process for preparing 2,6-dialkylnaphthalene
01/25/2000US6018085 Method of reclaiming styrene and other products from polystyrene based materials
01/19/2000CN1048428C Multiple zeolite catalyst using for producing low-carbon olefines
01/19/2000CN1048425C Catalyst and method for converting heavy aromatic hydrocarbon into light one
01/18/2000US6015931 Contacting propane with composition comprising zeolite, group 2a metal, group 8 metal, binder under converting conditions
01/12/2000EP0970940A1 Process for the recovery of products contained in the heavy side products from their preparation
01/12/2000EP0750587B1 Crystalline borophosphates, their production and use
01/11/2000CA2102061C Injection of antifoulants into thermal cracking reactors
01/05/2000CN1047959C Supported catalyst for preparing phthalic anhydride
12/1999
12/16/1999WO1999064541A1 Thermal cracking process and chamber
12/15/1999CN1238743A Hydrocarbon conversion method using large crystal zeolite catalyst
12/08/1999EP0962436A1 Process for the conversion of hydrocarbons
12/07/1999US5998688 Using zeolite catalyst
11/1999
11/30/1999US5994603 Catalyst comprises first zeolite crystals which are bound together by second zeolite crystals.
11/24/1999EP0958050A1 Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion
11/23/1999US5990370 Pre-fractionating the feedstock to separate into an ethane rich stream and a propane rich stream, steam cracking each stream to form ethylene
11/17/1999CN1046494C Preparation of aromatic hydrocarbon
11/11/1999WO1999057225A1 Process for selectively producing c3 olefins in a fluid catalytic cracking process
11/11/1999WO1999057087A1 Hydrocarbon conversion to propylene
11/11/1999WO1999057086A1 Process for selectively producing light olefins in a fluid catalytic cracking process
11/11/1999WO1999057085A1 Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed
11/11/1999CA2331609A1 Hydrocarbon conversion to propylene
11/11/1999CA2329244A1 Process for selectively producing c3 olefins in a fluid catalytic cracking process
11/11/1999CA2329242A1 Process for selectively producing light olefins in a fluid catalytic cracking process
11/11/1999CA2328899A1 Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed
11/09/1999US5981819 Process of generating C3 - and C4 -olefins from a feed mixture containing C4 to C7 olefins
11/09/1999US5981818 Preparing olefin derivatives from hydrocarbon feedstocks by cracking the hydrocarbon feedstocks, and separating the olefins from the cracked gas into dilute olefin feeds for olefin derivative processing; polymerizing olefins
11/09/1999US5979177 Ethylene plant refrigeration system
11/02/1999US5977421 Pyrolysis method for increasing limonene production and novel oven to facilitate such method
11/02/1999US5976352 Process 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
10/1999
10/27/1999EP0951443A1 Hydrocarbon conversion using large crystal zeolite catalyst
10/27/1999CN1045949C Method and apparatus for producing cyclopentadience by depolymerizing dicyclopentadience
10/26/1999US5972203 Hydrocarbon conversion catalyst and its use
10/20/1999EP0950042A1 Two-stage process for obtaining significant olefin yields from residua feedstocks
10/19/1999US5968475 Catalyst of silicon with aluminum, iron, gallium and boron
10/19/1999US5968342 Zeolite catalyst and method of converting hydrocarbons using the same
09/1999
09/22/1999EP0840771B1 Method for controllably decomposing hydrocarbon polymers
09/22/1999EP0820496A4 Methods for using styrene oil (as heat transfer fluid, hydraulic fluid, lubricant)
09/15/1999CN1228404A Preparation of propene and, if desired, 1-butene
09/10/1999WO1999028412A9 Water based additive for suppression of coke formation
09/08/1999EP0939673A1 Dealuminised nu-86 zeolite and its use in the conversion of hydrocarbons
08/1999
08/31/1999US5945371 Catalyst composition and processes therefor and therewith
08/31/1999US5945364 Hydrodealkylation catalysts; ion exchanging
08/31/1999US5944981 Nickel, cobalt, chromium and silicone alloy
08/24/1999US5942651 Process for converting C9 + aromatic hydrocarbons to lighter aromatic products by transalkylation in the prescence of two zeolite-containing catalysts
08/24/1999US5942649 Method for monomer recovery
08/19/1999WO1999041329A1 Hydroprocessing reactor and process with liquid quench
08/18/1999EP0936206A1 Process for preparing proylene and 1-butene
08/12/1999CA2260304A1 Preparation of propene and, if desired, 1-butene
08/11/1999EP0804395A4 Phase-transfer catalysis
08/04/1999CN1044468C Method of refining cracked gasoline and crude benzole by liquid-phase coking distillation method with clays
07/1999
07/29/1999WO1999037597A1 Hydrocarbon pyrolysis
07/28/1999CN1224408A Methylation of toluene to para-xylene
07/27/1999US5929295 Hydrodealkylation and transalkylation of C9 + aromatic compounds
07/21/1999CN1223603A Zeolite catalyst and its use in hydrocarbon conversion
07/21/1999CN1223602A Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion
07/21/1999CN1223601A Hydrocarbon conversion catalyst and its use
07/20/1999US5925237 By providing a concentration of silyating agent in the hydrocarbon feed
07/15/1999WO1999035110A1 Ethylene plant refrigeration system
07/15/1999WO1999028412A3 Water based additive for suppression of coke formation
07/01/1999WO1999032421A1 Meta-xylene production process
07/01/1999CA2315101A1 Meta-xylene production process
06/1999
06/30/1999CN1220987A Quench oil viscosity control in pyrolysis fractionator
06/17/1999WO1999029805A1 Production of propylene
06/10/1999WO1999028412A2 Water based additive for suppression of coke formation
06/10/1999WO1999028278A1 Method and reactor for making norbornene
06/10/1999WO1999028032A1 Preparation of zeolite bound by mfi structure type zeolite and use thereof
06/10/1999CA2312816A1 Method and reactor for making norbornene
06/09/1999EP0921181A1 Production of propylene
06/09/1999CN1218786A Process for producing ethylene and propene by catalytic thermal cracking
05/1999
05/25/1999US5907074 Catalyst composition and processes therefor and therewith
05/19/1999EP0842239B1 Method for monomer recovery
05/06/1999WO1999021939A1 Pyrolysis furnace tubes
05/06/1999EP0912473A1 Methylation of toluene to para-xylene
05/04/1999US5900522 Disproportion
04/1999
04/28/1999EP0911378A2 Quench oil viscosity control in pyrolysis fractionator
04/28/1999EP0911308A1 Process for the preparation of olefins by direct conversion of multiple hydrocarbons
04/28/1999CN1215041A Process for direct-conversion preparation olefines from multiple fed hydrocarbon
04/22/1999WO1999019278A1 Process for preparing 2,6-dialkylnaphthalene
04/21/1999EP0909266A1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization
04/21/1999EP0909216A1 Zeolite catalyst and its use in hydrocarbon conversion
1 ... 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 ... 51