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Browse by Category: Main > Chemistry
Class Information
Number: 585/651
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By c content reduction, e.g., cracking, etc. > Ethylene product per se > Using catalyst
Description: Subject matter wherein the process employs a catalyst.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8674157 Production of olefins Mar. 18, 2014
8569200 Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same Oct. 29, 2013
8450550 Process and apparatus for producing propylene May. 28, 2013
8426663 Catalytic conversion of alkylaromatic compounds Apr. 23, 2013
8404104 Hydrocarbon dehydrogenation with zirconia Mar. 26, 2013
8367886 Reactive distillation for the dehydration of mixed alcohols Feb. 5, 2013
8293961 Catalytic cracking process using fast fluidization for the production of light olefins from hydrocarbon feedstock Oct. 23, 2012
8246914 Fluid catalytic cracking system Aug. 21, 2012
8198498 Carbon nanotube catalyst for olefin production Jun. 12, 2012
8148589 Reactive distillation with olefin recycle Apr. 3, 2012
8137533 Mixture of catalysts for cracking naphtha to olefins Mar. 20, 2012
8123931 Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same Feb. 28, 2012
8124822 Process for preventing metal catalyzed coking Feb. 28, 2012
8088274 Process for catalytic cracking of petroleum hydrocarbons in a fluidized bed with maximized production of light olefins Jan. 3, 2012
8071833 Production of olefins Dec. 6, 2011
8044254 Process for enhanced olefin production Oct. 25, 2011
8002856 Process for contracting a hydrocarbon and an oxygen-containing gas with a catalyst bed Aug. 23, 2011
7973209 Fractionation recovery processing of light olefins free of carbon dioxide Jul. 5, 2011
7951987 Thermal-cracking method of hydrocarbon May. 31, 2011
7947860 Dividing wall separation in light olefin hydrocarbon processing May. 24, 2011
7943038 Method for producing olefins using a doped catalyst May. 17, 2011
7939702 Process for increasing production of light olefins from hydrocarbon feedstock in catalytic cracking May. 10, 2011
7932427 Process for the preparation of propylene and industrial plant thereof Apr. 26, 2011
7902113 Catalyst direct conversion of methane to ethane and ethylene Mar. 8, 2011
7893311 Method for producing ethylene and propylene Feb. 22, 2011
7884257 Method for producing ethylene and propylene Feb. 8, 2011
7875756 Process for producing lower olefins under negative pressure Jan. 25, 2011
7868216 Production of propylene employing dimerising ethylene to 1-butene, hydroisomerization to 2-butene and metathesis by ethylene Jan. 11, 2011
7820033 Method for adjusting yields in a light feed FCC reactor Oct. 26, 2010
7754934 Process for producing ethylene and propylene Jul. 13, 2010
7737317 Fractionation recovery processing of FCC-produced light olefins Jun. 15, 2010
7718840 Process for production of light olefins from hydrocarbon feedstock May. 18, 2010
7692057 Process for producing lower olefins by using multiple reaction zones Apr. 6, 2010
7691767 Catalytic cracking catalyst for heavy oil and production process for olefin and fuel oil Apr. 6, 2010
7683231 Catalyst and process for the production of olefins Mar. 23, 2010
7678954 Olefin oligomerization to produce hydrocarbon compositions useful as fuels Mar. 16, 2010
7663013 Solid acid catalyst for producing light olefins and process using the same Feb. 16, 2010
7655826 Method for decomposition of ethers Feb. 2, 2010
7601254 Integrated fluid catalytic cracking process Oct. 13, 2009
7579513 Method for the direct conversion of a charge containing olefins comprising a minimum of four or five carbon atoms, for producing propylene Aug. 25, 2009
7563743 Doped catalyst and improved process for treatment of hydrocarbon feedstocks Jul. 21, 2009
7560020 Deasphalting tar using stripping tower Jul. 14, 2009
7550073 Hydrocarbon conversion using molecular sieve SSZ-70 Jun. 23, 2009
7547813 ZSM-5 additive Jun. 16, 2009
7537685 Hydrocarbon conversion using molecular sieve SSZ-71 May. 26, 2009
7531706 Process for producing olefin by catalytic cracking of hydrocarbon May. 12, 2009
7518027 Production of olefins Apr. 14, 2009
7491315 Dual riser FCC reactor process with light and mixed light/heavy feeds Feb. 17, 2009
7479218 Deep catalytic cracking process Jan. 20, 2009
7459596 Nanocrystalline silicalite for catalytic naphtha cracking Dec. 2, 2008

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