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Class Information
Number: 585/324
Name: Chemistry of hydrocarbon compounds > Plural serial diverse syntheses > To produce unsaturate
Description: Subject matter in which the ultimate product or an intermediate product, produced by at least two diverse conversions, is noncyclic and contains olefinic unsaturation.










Sub-classes under this class:

Class Number Class Name Patents
585/325 Having triple bond 29
585/328 Including displacement from nonhydrocarbon by entire hydrocarbon molecule, e.g., growth reaction, etc. 44
585/329 Including polymerization of olefin 233
585/326 Polyolefin 92


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

Patent Number Title Of Patent Date Issued
6433240 Preparation of propene and, if desired, 1-butene Aug. 13, 2002
6420619 Cracked gas processing and conversion for propylene production Jul. 16, 2002
6410811 Selective hydrogenation process comprising partial separation of hydrogen by a membrane upstream of a reactive column Jun. 25, 2002
6395944 Process for the preparation of mono-olefins from paraffinic hydrocarbons May. 28, 2002
6388152 Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process May. 14, 2002
6369286 Conversion of syngas from Fischer-Tropsch products via olefin metathesis Apr. 9, 2002
6339180 Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process Jan. 15, 2002
6307117 Method for producing ethylene and propylene Oct. 23, 2001
6303839 Process for producing polymer grade olefins Oct. 16, 2001
6271430 Preparation of propene Aug. 7, 2001
6258257 Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process Jul. 10, 2001
6258990 Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process from a naphtha/steam feed Jul. 10, 2001
6218589 Method for improving the operation of a propane-propylene splitter Apr. 17, 2001
6187982 Process for converting dienes and oxygenates to para-xylene and light olefins Feb. 13, 2001
6169218 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams Jan. 2, 2001
6166279 Preparation of olefins Dec. 26, 2000
6156947 Process for the production of butene-1 from a mixture of C.sub.4 olefins Dec. 5, 2000
6143936 Process for producing an ether and an olefin from a hydrocarbon cut containing at least one tertiary olefin by synthesizing then decomposing an ether, comprising a first step for purifying the Nov. 7, 2000
6137023 Process for the production of high purity isobutene combining reactive distillation with hydroisomerisation and skeletal isomerisation Oct. 24, 2000
6121505 Process for synthesizing and purifying olefins comprising dehydrogenating a paraffin Sep. 19, 2000
6118035 Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed Sep. 12, 2000
6106697 Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C.sub.4 olefins Aug. 22, 2000
6075173 Process for production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms Jun. 13, 2000
6049017 Enhanced light olefin production Apr. 11, 2000
6025533 Oligomer production with catalytic distillation Feb. 15, 2000
6005150 Process for the production of butene-1 from a mixture of C4 olefins Dec. 21, 1999
5990369 Process for producing light olefins Nov. 23, 1999
5969203 Process for the production of high purity isobutene combining reactive distillation with hydroisomerization, distillation and skeletal isomerization Oct. 19, 1999
5955640 Integrated process for the production of butene-1 Sep. 21, 1999
5914433 Process for producing polymer grade olefins Jun. 22, 1999
5898091 Process and plant for the conversion of olefinic C.sub.4 and C.sub.5 cuts to an ether and to propylene Apr. 27, 1999
5877365 Process and plant for the conversion of olefinic C.sub.4 cuts to polyisobutene and to propylene Mar. 2, 1999
5817906 Process for producing light olefins using reaction with distillation as an intermediate step Oct. 6, 1998
5811623 Isomerization of olefins by alkylation and dealkylation of aromatic hydrocarbons Sep. 22, 1998
5811608 Process for oligomer production and saturation Sep. 22, 1998
5811621 Process for recovering ethylene from an olefin stream produced by a methanol to olefin reaction Sep. 22, 1998
5789643 Process for oligomerizing I-butene comprising hydroisomerizing portion of condensate and recycling the hydroisomerate to fractionation Aug. 4, 1998
5773676 Process for producing olefins and aromatics from non-aromatics Jun. 30, 1998
5750821 Method for oxidative coupling of methane comprising catalytic cracking May. 12, 1998
5720929 Device for catalytic dehydrogenation of a C.sub.2+ paraffinic charge comprising means for inhibiting the freezing of water in the effluent Feb. 24, 1998
5714661 Process for the preparation of synthetic lubricant base stocks Feb. 3, 1998
5711919 Device for catalytic dehydrogenation A C.sub.2+ paraffinic charge comprising a self-cooling system Jan. 27, 1998
5698760 Olefin metathesis Dec. 16, 1997
5689029 Process for the dehydrogenation of paraffinic hydrocarbons Nov. 18, 1997
5679241 Olefin plant recovery system employing catalytic distillation Oct. 21, 1997
5670703 Process and installation for producing liquid fuels and raw chemicals Sep. 23, 1997
5648583 Process for converting exo-isomers of alkyl substituted cyclopentadienes to endo-isomers Jul. 15, 1997
5633416 Fuel produced by a process comprising etherification of a hydrocarbon fraction comprising olefins containing 5 to 8 carbon atoms May. 27, 1997
5595634 Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams Jan. 21, 1997
5569801 Polymer conversion process Oct. 29, 1996

1 2 3 4 5 6 7 8










 
 
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