| Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080) |
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| 01/29/2009 | US20090030252 adding an alkylation reactor and an olefin cracking unit to convert a portion of effluent products from the hydrocarbon cracking unit that were not processed to ethylene or propylene; pygas is selectively hydrogenated to remove diolefins, pentenes are separated and passed to an olefin cracking unit |
| 01/29/2009 | US20090030251 Use of Olefin Cracking to Produce Alkylate |
| 01/28/2009 | CN101353287A Sealing method of petrifaction ethylene pyrolysis furnace tube and furnace roof liner portion |
| 01/27/2009 | US7482502 Process for cracking hydrocarbons using improved furnace reactor tubes |
| 01/27/2009 | CA2343272C Process for the production of olefins |
| 01/27/2009 | CA2198929C Synthetic swelling clay minerals |
| 01/22/2009 | WO2009009965A1 Method for processing olefins |
| 01/22/2009 | US20090023971 ZSM-5 Additive |
| 01/21/2009 | CN101348409A Method for producing low carbon alkene |
| 01/21/2009 | CN101348407A Method for preparing ethylene and propylene by catalytic pyrolysis |
| 01/21/2009 | CN101348406A Hydrogenation method for cracking hydrocarbon having nine carbon atoms or more |
| 01/21/2009 | CN101348405A Method for preparing light arene and light alkane from hydrocarbon raw material |
| 01/21/2009 | CN101347746A Catalyst for producing olefin hydrocarbon by catalytic pyrolysis of naphtha |
| 01/20/2009 | CA2353978C Improved aromatic alkylation process |
| 01/15/2009 | WO2009007519A2 Reaction area including two parallel risers and a common gas solid separation area for producing propylene |
| 01/15/2009 | DE102007032572A1 Liquid level determination of container filled with liquid, involves combining data measurement of difference of gravitational pressure of constant reference column of liquid with fixed level |
| 01/14/2009 | CN100451089C Method of preparing ethylene, propylene and aromatic hydrocarbons by catalytic cracking gasoline |
| 01/13/2009 | US7476296 Apparatus and process for converting a mixture of organic materials into hydrocarbons and carbon solids |
| 01/08/2009 | WO2009004181A2 Production of vapour-cracking loads with a high yield of the resulting ethylene, propylene and polymers by hydroprocessing of vegetable oils |
| 01/08/2009 | US20090012340 Thermal-cracking method of hydrocarbon |
| 01/08/2009 | US20090012339 Catalytic Cracking Process Using Fast Fluidization for the Production of Light Olefins from Hydrocarbon Feedstock |
| 01/08/2009 | US20090012337 heat treating fibers; for use in oxidation, hydrogenation, oxidative-dehydrogenation, and dehydrogenation |
| 01/07/2009 | CN101337857A Integrated processing of methanol to olefins |
| 01/07/2009 | CN100448820C Process for producing propylene and hexene from C4 olefin streams |
| 12/31/2008 | EP2008988A1 Method for conversion of ethylbenzene and process for production of para-xylene |
| 12/31/2008 | CN101333147A Ethylene pyrolysis furnace |
| 12/31/2008 | CN100447114C Method for producing lower olefin |
| 12/25/2008 | US20080318764 Enhancing production of light olefins using a catalyst with small pores, molecular sieve with high silica to alumina ratio and pores sizes to limit production of aromatics in the cracking process. |
| 12/25/2008 | US20080314730 decomposing a tire materials, plastic to form at least monomer, or oil, gas, steel, sulfur, and carbon black, by using microwave radiation; waste recycling; at low pressure, low oxygen content |
| 12/24/2008 | CN100445244C Method and structure of preventing channel of reactor for preparing ethyne by cracking plasma coal from coking |
| 12/18/2008 | US20080312481 Propylene production |
| 12/18/2008 | US20080312479 Enhancing Conversion of Lignocellulosic Biomass |
| 12/17/2008 | EP2003114A1 Methyl methacrylate production process |
| 12/17/2008 | EP1064341A4 Hydroprocessing reactor and process with liquid quench |
| 12/17/2008 | CN101323553A Method for improving ethylene apparatus quench oil tower bottom temperature |
| 12/17/2008 | CN100443454C Method for raising selectivity of propylene |
| 12/17/2008 | CN100443453C Method of preparing propylene and ethylene by catalytic cracking olefin |
| 12/17/2008 | CN100443168C Catalyst of fluid bed in use for preparing ethane, propylene through catalytic cracking |
| 12/16/2008 | US7465844 Upgrading a cellulose biomass with an O2/C atomic ratio of at least 0.5, in presence of water, under a pressure of at least saturated water vapor pressure, and at 250 to 350 degrees C.; reducing the O2/C atomic ratio to 0.216 to 0.38; and separating the biomass into liquid and solid components |
| 12/11/2008 | WO2008148807A1 Improved method for reacting hydrocarbons on a catalyst in the presence of steam |
| 12/11/2008 | US20080306321 catalytic cracking a paraffinic hydrocarbon using a zeolite type USY catalyst comprises a crystalline aluminosilicate, alumina-boria and a noble metal of Group VIII, provides high cracking activity and middle distillate yield as well as the low pour point of the resulting gas oil all together |
| 12/10/2008 | CN101318872A Ethylene cracking furnace coking restrainer and its use method |
| 12/10/2008 | CN100441554C Method of utilizing cracked, C5 fraction |
| 12/04/2008 | WO2008042083A3 Thermal cracking vaporization unit construction |
| 12/03/2008 | EP1996532A1 Catalytic cracking process using fast fluidization for the production of light olefins from hydrocarbon feedstock |
| 12/03/2008 | CN101314126A Steam cracking catalyst, preparation and application thereof |
| 12/02/2008 | US7459596 Nanocrystalline silicalite for catalytic naphtha cracking |
| 12/02/2008 | US7459594 Contacting the matter and oxidant at 600-1000 degrees C. with a strong catalytic ceramic refractory melting over 1250 degrees C. containing dispersed nickel that changes between oxidation states depending on temperature or oxygen activity to form a mixture H2 and CO, and including methane and ethylene |
| 12/02/2008 | US7459073 Hydrorefining catalyst a molecular sieve having a mole ratio about 15 of (1) an oxide of silicon, germanium or mixtures to (2) an oxide of aluminum, gallium, iron, boron, titanium, indium, vanadium or mixture; micropore volume more than 0.10; hydrotreatment |
| 12/02/2008 | US7459072 Separating naphtha in a membrane unit into a stream depleted in aromatics (2-12 % aromatics), which is fed to a steam cracker; and a stream B enriched in aromatics, which is thermally separated into 2 streams, one having a lower aromatics content than stream B and is fed to the cracker |
| 11/19/2008 | CN101306972A Process for preparing ethylene and propylene by catalytic scission reaction |
| 11/19/2008 | CN101306970A Steam dealkylation method |
| 11/13/2008 | WO2008135582A1 Iridium-palladium catalysts for converting hydrocarbons in the presence of water vapour and especially for the steam dealkylation of alkyl-substituted aromatic hydrocarbons |
| 11/13/2008 | WO2008135581A1 Iridium catalysts for converting hydrocarbons in the presence of water vapour and especially for the steam dealkylation of alkyl-substituted aromatic hydrocarbons |
| 11/12/2008 | EP1989344A2 Electrogenic pump molecule control |
| 11/12/2008 | CN100432188C Fractionating and further cracking a c sb 6 /sb fraction from a naphtha feed for propylene generation |
| 11/06/2008 | WO2008107622A8 Additive for reducing coking and/or carbon monoxide in cracking reactors and heat exchangers and use of same |
| 11/06/2008 | US20080275285 As a reducing agent and a catalyst made from di-metal, tri-metal or poly-metal backbone or molecular string type compounds of transition metals in conjunction with a non-fluoride magnesium halide; methanation of aldehydes, ketones, carboxylic acids, esters, ethers, amines, thiols, phosphines and aldols |
| 11/05/2008 | CN100430351C Secondary hydration and deep cooling separation combined process for separating ethene cracking gas |
| 11/05/2008 | CN100430138C Catalyst for producing propylene, ethane through catalytic cracking olefin |
| 11/05/2008 | CN100430134C Catalyst of fluid bed for preparing ethane and propylene through catalytic cracking |
| 11/04/2008 | US7446071 High silica to alumina ratio and small pore size layered molecular sieve; selectivity for light olefin production |
| 10/30/2008 | WO2006039355A3 Apparatus and process for separation of organic materials from attached insoluble solids, and conversion into useful products |
| 10/28/2008 | US7442846 Treating exhausted catalysts in a stream of water vapour at a temperature ranging from 700 to 950 degrees C, preferably from 720 to 850 degrees C, and at a pressure ranging from 0.5 to 2 atm |
| 10/21/2008 | US7439204 Sulfur-free pretreatment of a crystalline molecular sieve and at least one hydrogenation metal, platinum or rhenium, with hydrogen; ethylbenzene dealkylation, xylenes isomerization, and the transalkylation of polyalkylaromatic hydrocarbons; nontoxic |
| 10/14/2008 | US7435331 Catalyst regenerator with a centerwell |
| 10/09/2008 | US20080249346 Catalyst containing metal on molecular sieve or refractory catalyst supports |
| 10/09/2008 | US20080244972 Reduces overall hydrogen consumption of petrochemical processes employing hydrogenation stage; increase treatment capacity of certain petrochemical processes employing hydrogenation stage by purifying the main makeup gas and/or by recovering the hydrogen molecules lost in the bleeding operations |
| 10/08/2008 | CN201128725Y Novel depolymerizator |
| 10/08/2008 | CN101279882A Production method of propylene |
| 10/08/2008 | CN101279881A Method for preparing ethylene and propylene by benzin naphtha catalytic pyrolysis |
| 10/08/2008 | CN101279880A Method for preparing ethylene propylene by catalytic pyrolysis of light oil |
| 10/08/2008 | CN101279879A Method for producing propone by comprehensive utilization of mixed C4 |
| 10/08/2008 | CN101279878A Method for preparing ethylene and propylene by benzin naphtha catalytic pyrolysis |
| 10/08/2008 | CN101279288A Process for synthesizing core-shell structure compound molecular sieve and use thereof |
| 10/08/2008 | CN101279286A Naphtha catalytic pyrolysis catalyst for preparing ethylene propylene |
| 10/08/2008 | CN101279284A Catalyst for preparing ethylene propylene from catalytic pyrolysis |
| 10/02/2008 | WO2007100872A3 Electrogenic pump molecule control |
| 10/01/2008 | EP1975143A1 Process for production of propylene and aromatic hydrocarbon, and apparatus for the process |
| 10/01/2008 | CN101274873A Method for preventing ethylene cracking furnace from coking |
| 09/25/2008 | WO2008114771A1 Process for conversion of hydrocarbons with molded zeolite catalyst |
| 09/25/2008 | US20080234527 Separating membrane dehydrogenates hydrocarbon within flow type reaction tube containing catalyst supported by carrier composed of metallic heat conductive support having metal oxide layer localized on surface |
| 09/24/2008 | CN101273000A Catalyst and process for selective hydroconversion of normal paraffing to normal paraffin-rich lighter products |
| 09/24/2008 | CN100420518C Catalyst of solid acid in use for preparing isobutene, and preparation method |
| 09/18/2008 | WO2008110530A1 Mto process based on meapo molecular sieves combined with an ocp process to make olefins |
| 09/17/2008 | EP1970361A1 MTO process based on MeAPO molecular sieves combined with an OCP process to make olefins |
| 09/17/2008 | EP1968917A2 Process for converting carbohydrates to hydrocarbons |
| 09/17/2008 | CN100418936C Process for preparing propylene |
| 09/16/2008 | US7425663 Method for production propylene from a flow containing C4 to C8 olefins |
| 09/16/2008 | US7425258 C6 recycle for propylene generation in a fluid catalytic cracking unit |
| 09/12/2008 | WO2008107622A1 Additive for reducing coking and/or carbon monoxide in cracking reactors and heat exchangers and use of same |
| 09/12/2008 | CA2678153A1 Additive for reducing coking and/or carbon monoxide in cracking reactors and heat exchangers and use of same |
| 09/10/2008 | CN101263215A Process for recovering ethylene from an autothermal cracking reactor effluent |
| 09/10/2008 | CN101263096A Method for producing ethylene and propylene |
| 09/10/2008 | CN101263095A Method for producing ethylene and propylene |
| 09/09/2008 | CA2477789C Process for producing propylene and hexene from c4 olefin streams |
| 09/04/2008 | US20080214882 Acidic mesostructured aluminosilicates assembled from surfactant-mediated zeolite hydrolysis products |
| 09/03/2008 | CN101255086A Method for Cracking C_4 and preparing olefin by refinery C_4 |
| 09/03/2008 | CN101254465A Cracking carbon five selective hydrogenation catalyst |
| 09/02/2008 | US7419584 Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel |