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Class Information
Number: 585/652
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By c content reduction, e.g., cracking, etc. > Ethylene product per se > Using o (partial combustion) or steam
Description: Subject matter wherein steam (usually superheated steam) is mixed with the feed or with the reaction effluent for heating or other purposes or wherein elemental oxygen is employed in the reaction.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8684384 Process for cracking a heavy hydrocarbon feedstream Apr. 1, 2014
8663456 Process for cracking heavy hydrocarbon feed Mar. 4, 2014
8658022 Process for cracking heavy hydrocarbon feed Feb. 25, 2014
8658019 Process for cracking heavy hydrocarbon feed Feb. 25, 2014
8658023 Process for cracking heavy hydrocarbon feed Feb. 25, 2014
8569200 Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same Oct. 29, 2013
8435386 Method and apparatus for recycle of knockout drum bottoms May. 7, 2013
8273936 Process for cracking heavy hydrocarbon feed Sep. 25, 2012
8198498 Carbon nanotube catalyst for olefin production Jun. 12, 2012
8158840 Process and apparatus for cooling liquid bottoms from vapor/liquid separator during steam cracking of hydrocarbon feedstocks Apr. 17, 2012
8152993 Ethylene furnace radiant coil decoking method Apr. 10, 2012
8123931 Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same Feb. 28, 2012
8083932 Process for producing lower olefins from hydrocarbon feedstock utilizing partial vaporization and separately controlled sets of pyrolysis coils Dec. 27, 2011
8071833 Production of olefins Dec. 6, 2011
8057663 Method and apparatus for recycle of knockout drum bottoms Nov. 15, 2011
8044254 Process for enhanced olefin production Oct. 25, 2011
8013196 Process for the production of ethylene Sep. 6, 2011
7977524 Process for decoking a furnace for cracking a hydrocarbon feed Jul. 12, 2011
7972498 Resid processing for steam cracker feed and catalytic cracking Jul. 5, 2011
7951987 Thermal-cracking method of hydrocarbon May. 31, 2011
7939702 Process for increasing production of light olefins from hydrocarbon feedstock in catalytic cracking May. 10, 2011
7923592 Process for making unsaturated hydrocarbons using microchannel process technology Apr. 12, 2011
7883618 Recycle of olefinic naphthas by removing aromatics Feb. 8, 2011
7863494 Hydrocarbon steam cracking catalyst, method for preparing the same and method for preparing light olefin by using the same Jan. 4, 2011
7858834 Olefin production utilizing a feed containing condensate and crude oil Dec. 28, 2010
7846322 Integrated refinery with enhanced olefin and reformate production Dec. 7, 2010
7838712 Steam-cracking of modified naphtha Nov. 23, 2010
7829752 Process for producing lower olefins Nov. 9, 2010
7820035 Process for steam cracking heavy hydrocarbon feedstocks Oct. 26, 2010
7807860 Autothermal cracking process and reactor Oct. 5, 2010
7799963 Cracking tube having helical fins Sep. 21, 2010
7767170 Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel Aug. 3, 2010
7763763 Olefins production process Jul. 27, 2010
7744747 Olefin production utilizing whole crude oil/condensate feedstock with a partitioned vaporization unit Jun. 29, 2010
7718052 Hydrocarbon cracking in a multi-zone cracking furnace May. 18, 2010
7718840 Process for production of light olefins from hydrocarbon feedstock May. 18, 2010
7718839 Process for producing lower olefins from heavy hydrocarbon feedstock utilizing two vapor/liquid separators May. 18, 2010
7683231 Catalyst and process for the production of olefins Mar. 23, 2010
7663013 Solid acid catalyst for producing light olefins and process using the same Feb. 16, 2010
7625480 Pyrolysis furnace feed Dec. 1, 2009
7608745 Process for production of propylene and ethylbenzene from dilute ethylene streams Oct. 27, 2009
7578929 Process for steam cracking heavy hydrocarbon feedstocks Aug. 25, 2009
7576136 Emulsified feedstock for hydrocarbon process units that incorporate spray atomization Aug. 18, 2009
7550642 Olefin production utilizing whole crude oil/condensate feedstock with enhanced distillate production Jun. 23, 2009
7544852 Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace Jun. 9, 2009
7541504 Octane improvement of a hydrocarbon stream Jun. 2, 2009
7534340 Process for the preparation of middle distillates and lube bases starting from synthetic hydrocarbon feedstocks May. 19, 2009
7531706 Process for producing olefin by catalytic cracking of hydrocarbon May. 12, 2009
7518027 Production of olefins Apr. 14, 2009
7482502 Process for cracking hydrocarbons using improved furnace reactor tubes Jan. 27, 2009

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