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Class Information
Number: 585/648
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By c content reduction, e.g., cracking, etc.
Description: Subject matter wherein the feed to the reaction contains more carbon atoms in its molecule than the product contains.

Sub-classes under this class:

Class Number Class Name Patents
585/650 Ethylene product per se 197
585/649 Isobutylene product per se 78
585/653 Using catalyst 279

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8703064 Hydrocabon cracking furnace with steam addition to lower mono-nitrogen oxide emissions Apr. 22, 2014
8704021 Process for increasing weight of olefins Apr. 22, 2014
8684384 Process for cracking a heavy hydrocarbon feedstream Apr. 1, 2014
8685232 Fluid catalytic cracking (FCC) process for manufacturing propylene and ethylene in increased yield Apr. 1, 2014
8674157 Production of olefins Mar. 18, 2014
8633345 Process for preparing isobutene by cleaving MTBE-containing mixtures Jan. 21, 2014
8575410 Process for oligomerizing dilute ethylene Nov. 5, 2013
8569200 Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same Oct. 29, 2013
8536390 Profitable method for carbon capture and storage Sep. 17, 2013
8524962 Use of olefin cracking to produce alkylate Sep. 3, 2013
8471084 Process for increasing weight of olefins Jun. 25, 2013
8465640 Method for inhibiting fouling in vapor transport system Jun. 18, 2013
8450550 Process and apparatus for producing propylene May. 28, 2013
8435386 Method and apparatus for recycle of knockout drum bottoms May. 7, 2013
8399729 Integrated process for steam cracking Mar. 19, 2013
8394900 Profitable method for carbon capture and storage Mar. 12, 2013
8389789 Process for the production of olefins Mar. 5, 2013
8373013 Process for combining the catalytic conversion of organic oxygenates and the catalytic conversion of hydrocarbons Feb. 12, 2013
8361311 Integrated vacuum resid to chemicals conversion process Jan. 29, 2013
8324441 Pentane catalytic cracking process Dec. 4, 2012
8314278 Process and system for the production of isoprene Nov. 20, 2012
8314280 Process for the production of olefins Nov. 20, 2012
8293961 Catalytic cracking process using fast fluidization for the production of light olefins from hydrocarbon feedstock Oct. 23, 2012
8283511 Ethylene production by steam cracking of normal paraffins Oct. 9, 2012
8277639 Steam cracking of high TAN crudes Oct. 2, 2012
8273930 Process for producing ethylene from ethanol combining the catalytic conversion of hydrocarbons Sep. 25, 2012
8273936 Process for cracking heavy hydrocarbon feed Sep. 25, 2012
8258358 Integrated propylene production Sep. 4, 2012
8246914 Fluid catalytic cracking system Aug. 21, 2012
8198498 Carbon nanotube catalyst for olefin production Jun. 12, 2012
8178736 Process and system for the production of isoprene May. 15, 2012
8173854 Steam cracking of partially desalted hydrocarbon feedstocks May. 8, 2012
8158840 Process and apparatus for cooling liquid bottoms from vapor/liquid separator during steam cracking of hydrocarbon feedstocks Apr. 17, 2012
8153851 Integrated propylene production Apr. 10, 2012
8138386 Method for converting hydrocarbons with zeolite shaped catalyst Mar. 20, 2012
8129576 Protection of solid acid catalysts from damage by volatile species Mar. 6, 2012
8123931 Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same Feb. 28, 2012
8106248 Conversion of co-fed methane and hydrocarbon feedstocks into higher value hydrocarbons Jan. 31, 2012
8083932 Process for producing lower olefins from hydrocarbon feedstock utilizing partial vaporization and separately controlled sets of pyrolysis coils Dec. 27, 2011
8080698 Method for olefin production from butanes and cracking refinery hydrocarbons and alkanes Dec. 20, 2011
8071833 Production of olefins Dec. 6, 2011
8057663 Method and apparatus for recycle of knockout drum bottoms Nov. 15, 2011
8057707 Compositions to mitigate coke formation in steam cracking of hydrocarbons Nov. 15, 2011
8044254 Process for enhanced olefin production Oct. 25, 2011
RE42832 Method for reforming organics into shorter-chain unsaturated organic compounds Oct. 11, 2011
8013196 Process for the production of ethylene Sep. 6, 2011
8002856 Process for contracting a hydrocarbon and an oxygen-containing gas with a catalyst bed Aug. 23, 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
7973209 Fractionation recovery processing of light olefins free of carbon dioxide Jul. 5, 2011

1 2 3 4 5 6 7 8

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