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Class Information
Number: 585/413
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By ring formation from nonring moiety, e.g., aromatization, etc. > With preliminary treatment of feed or plural separation procedures
Description: Subject matter wherein the effluent from the aromatization reaction or a component thereof passes through at least two separation steps or wherein a feedstock is treated prior to the aromatization reaction, e.g., by separation into fractions, by preheating, etc.










Patents under this class:

Patent Number Title Of Patent Date Issued
8604262 Process for increasing aromatics production Dec. 10, 2013
7547809 Method for producing aromatic compound and aromatic compound Jun. 16, 2009
6660812 Production of olefin derivatives Dec. 9, 2003
6281398 Process for the production of high octane number gasolines Aug. 28, 2001
6217749 Process for hydrotreating a hydrocarbon feedstock and apparatus for carrying out same Apr. 17, 2001
6140546 Hydrocarbon dehydrocyclization process Oct. 31, 2000
6126812 Gasoline upgrade with split feed Oct. 3, 2000
6118037 Process for the removal of contaminant compounds containing one or more heteroatoms of sulfur, nitrogen and/or oxygen from hydrocarbon streams Sep. 12, 2000
6083379 Process for desulfurizing and aromatizing hydrocarbons Jul. 4, 2000
6051128 Split-feed two-stage parallel aromatization for maximum para-xylene yield Apr. 18, 2000
5925237 Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons Jul. 20, 1999
5922923 Zeolitic reforming with selective feed-species adjustment Jul. 13, 1999
5877368 Method for producing aromatic hydrocarbons Mar. 2, 1999
5877367 Dehydrocyclization process with downstream dimethylbutane removal Mar. 2, 1999
5800696 Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons Sep. 1, 1998
5453177 Integrated distillate recovery process Sep. 26, 1995
5386071 Process for producing aromatics from a C.sub.5 /C.sub.6 feedstream Jan. 31, 1995
5258563 Process for the production of benzene from light hydrocarbons Nov. 2, 1993
5186908 Increased conversion of C.sub.2 -C.sub.12 aliphatic hydrocarbons to aromatic hydrocarbons using a highly purified recycle stream Feb. 16, 1993
5177279 Integrated process for converting methanol to gasoline and distillates Jan. 5, 1993
5110446 Integrated products separation from fluid catalytic cracking and aromatization processes May. 5, 1992
4996381 Increased conversion of C.sub.2 -C.sub.12 aliphatic hydrocarbons to aromatic hydrocarbons using a highly purified recycle stream Feb. 26, 1991
4985203 Conversion system for converting oxygenates to hydrocarbons Jan. 15, 1991
4936976 Integrated reforming/aromatization process Jun. 26, 1990
4929334 Fluid-bed reaction process May. 29, 1990
4867864 Dehydrogenation, dehydrocyclization and reforming catalyst Sep. 19, 1989
4832919 Olefin fractionation and catalytic conversion system with heat exchange means May. 23, 1989
4783566 Hydrocarbon conversion process Nov. 8, 1988
4749820 Integration of paraffin dehydrogenation with MOGD to minimize compression and gas plant separation Jun. 7, 1988
4675461 Conversion of LPG hydrocarbons into distillate fuels using an integral LPG dehydrogenation-MOGD process Jun. 23, 1987
4654453 Process for converting oxygenates to hydrocarbons Mar. 31, 1987
4528412 Dehydrocyclodimerization process Jul. 9, 1985
4497968 Multistage process for converting olefins or oxygenates to heavier hydrocarbons Feb. 5, 1985
4456779 Catalytic conversion of olefins to higher hydrocarbons Jun. 26, 1984
4450311 Heat exchange technique for olefin fractionation and catalytic conversion system May. 22, 1984
4358362 Method for enhancing catalytic activity Nov. 9, 1982
4169865 Production of aromatic hydrocarbons Oct. 2, 1979
4167472 Hydrocarbon treating process Sep. 11, 1979
4166830 Diacritic cracking of hydrocarbon feeds for selective production of ethylene and synthesis gas Sep. 4, 1979
4157355 Combination process for selected aromatic hydrocarbon production Jun. 5, 1979
4146465 Addition of olefins to cat cracker feed to modify product selectivity and quality Mar. 27, 1979
4137147 Process for manufacturing olefinic hydrocarbons with respectively two and three carbon atoms per molecule Jan. 30, 1979
4110201 Hydrocarbon conversion with an acidic sulfur-free multimetallic catalytic composite Aug. 29, 1978
4110200 Hydrocarbon conversion with an acidic sulfur-free multimetallic catalytic composite Aug. 29, 1978
4105707 Combination alkylation-reforming process Aug. 8, 1978
4070306 Method of treating a used platinum group alumina catalyst with a metal promoter Jan. 24, 1978
4070408 Aromatics extraction and distillation process Jan. 24, 1978
4048249 Dehydrocyclization with an acidic multimetallic catalytic composite Sep. 13, 1977
4046828 Dehydrocyclization with an acidic multimetallic catalytic composite Sep. 6, 1977











 
 
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