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Class Information
Number: 585/649
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By c content reduction, e.g., cracking, etc. > Isobutylene product per se
Description: Subject matter wherein isobutylene (H3

Patents under this class:
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Patent Number Title Of Patent Date Issued
8633345 Process for preparing isobutene by cleaving MTBE-containing mixtures Jan. 21, 2014
8389789 Process for the production of olefins Mar. 5, 2013
8367886 Reactive distillation for the dehydration of mixed alcohols Feb. 5, 2013
8314280 Process for the production of olefins Nov. 20, 2012
8173851 Processes for converting gaseous alkanes to liquid hydrocarbons May. 8, 2012
8148589 Reactive distillation with olefin recycle Apr. 3, 2012
8137533 Mixture of catalysts for cracking naphtha to olefins Mar. 20, 2012
7977523 Catalyst and process for preparing isoolefins Jul. 12, 2011
7968758 Process for the dissociation of MTBE Jun. 28, 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
7910786 Process for the dissociation of MTBE Mar. 22, 2011
7744747 Olefin production utilizing whole crude oil/condensate feedstock with a partitioned vaporization unit Jun. 29, 2010
7674941 Processes for converting gaseous alkanes to liquid hydrocarbons Mar. 9, 2010
7578929 Process for steam cracking heavy hydrocarbon feedstocks Aug. 25, 2009
7560020 Deasphalting tar using stripping tower Jul. 14, 2009
7491315 Dual riser FCC reactor process with light and mixed light/heavy feeds Feb. 17, 2009
7405339 Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith Jul. 29, 2008
7374662 Method for jointly producing propylene and petrol from a relatively heavy charge May. 20, 2008
7375256 Catalytic conversion process for producing light olefins with a high yield petroleum hydrocarbons May. 20, 2008
7354883 Catalyst and method for the production of 1-olefins from 2-hydroxylkanes Apr. 8, 2008
7317133 Process for enhanced olefin production Jan. 8, 2008
7312370 FCC process with improved yield of light olefins Dec. 25, 2007
7288690 Method and apparatus for steam cracking hydrocarbons Oct. 30, 2007
7145051 Combined oxydehydrogenation and cracking catalyst for production of olefins Dec. 5, 2006
7090765 Process for cracking hydrocarbon feed with water substitution Aug. 15, 2006
6888038 Enhanced production of light olefins May. 3, 2005
6835863 Catalytic production of light olefins from naphtha feed Dec. 28, 2004
6830676 Coking and carburization resistant iron aluminides for hydrocarbon cracking Dec. 14, 2004
6803494 Process for selectively producing propylene in a fluid catalytic cracking process Oct. 12, 2004
6791002 Riser reactor system for hydrocarbon cracking Sep. 14, 2004
6555715 Conversion of light paraffins to oxygenates or olefins using an imide promoter Apr. 29, 2003
6500404 Zeolite ITQ-3 Dec. 31, 2002
6497809 Method for prolonging the effectiveness of a pyrolytic cracking tube treated for the inhibition of coke formation during cracking Dec. 24, 2002
6455750 Process for selectively producing light olefins Sep. 24, 2002
6315890 Naphtha cracking and hydroprocessing process for low emissions, high octane fuels Nov. 13, 2001
6313366 Process for selectively producing C3 olefins in a fluid catalytic cracking process Nov. 6, 2001
6303842 Method of producing olefins from petroleum residua Oct. 16, 2001
6300537 Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefins Oct. 9, 2001
6228253 Method for removing and suppressing coke formation during pyrolysis May. 8, 2001
6222087 Catalytic production of light olefins rich in propylene Apr. 24, 2001
6190533 Integrated hydrotreating steam cracking process for the production of olefins Feb. 20, 2001
6069287 Process for selectively producing light olefins in a fluid catalytic cracking process May. 30, 2000
6022472 Steam cracking of hydrocarbons in the presence of thiohydrocarbons Feb. 8, 2000
6015931 Process to convert propane into ethylene propene and C.sub.4 olefins Jan. 18, 2000
5981819 Process of generating C.sub.3 - and C.sub.4 -olefins from a feed mixture containing C.sub.4 to C.sub.7 olefins Nov. 9, 1999
5976352 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 Nov. 2, 1999
5811620 Use of reactive distillation in the dehydration of tertiary butyl alcohol Sep. 22, 1998
5801293 Method of isomerizing olefins Sep. 1, 1998
5792891 Integrated process for the production of tame Aug. 11, 1998

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