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Class Information
Number: 585/487
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By dealkylation > Using extraneous agent in reaction zone, e.g., catalyst, etc. > And steam
Description: Subject matter wherein the reaction takes place in the presence of steam, water vapor, etc.










Patents under this class:

Patent Number Title Of Patent Date Issued
7576136 Emulsified feedstock for hydrocarbon process units that incorporate spray atomization Aug. 18, 2009
5698757 Hydrodealkylation catalyst composition and process therewith Dec. 16, 1997
4902845 Method to extend life of iron oxide-containing catalysts using low levels of oxygen Feb. 20, 1990
4560820 Alkylaromatic dealkylation Dec. 24, 1985
4431857 Modification of hydrocarbon conversion processes over crystalline borosilicate catalysts by addition of water Feb. 14, 1984
4381415 Process for dealkylating aromatic hydrocarbons in the presence of steam Apr. 26, 1983
4340504 Catalyst for a process for dealkylating aromatic hydrocarbons in the presence of steam Jul. 20, 1982
4311614 Catalysts for water dealkylation of aromatic hydrocarbons Jan. 19, 1982
4310715 Steam dealkylation process Jan. 12, 1982
4300013 Isomerization of xylenes Nov. 10, 1981
4277369 Regeneration of a catalyst for aromatic hydrocarbons steam dealkylation Jul. 7, 1981
4268702 Catalytic conversion of aromatic fractions in the presence of steam May. 19, 1981
4207169 Process for the steam dealkylation of aromatic hydrocarbons Jun. 10, 1980
4199437 Process for steam dealkylation of aromatic hydrocarbons Apr. 22, 1980
4199436 Process for steam-dealkylating alkylaromatic hydrocarbons Apr. 22, 1980
4171329 Novel method for dealkylating alkylaromatic hydrocarbons Oct. 16, 1979
4147734 Process for dealkylating an alkylaromatic hydrocarbon using supported catalyst Apr. 3, 1979
4139496 Catalyst for dealkylating an alkylaromatic hydrocarbon Feb. 13, 1979
4136129 Steam dealkylation Jan. 23, 1979
4075255 Steam dealkylation with hydrogen treated catalyst of groups I, VI B, VIII Feb. 21, 1978
4053531 Steam reforming of polycyclic hydrocarbons Oct. 11, 1977
4053367 Temperature control of integrated fractionation and claytreating of hydrocarbons Oct. 11, 1977
4013734 Novel catalyst and its use for steam hydroconversion and dealkylation processes Mar. 22, 1977
4009218 Alkylaromatic hydrocarbon dehydrogenation process Feb. 22, 1977
4008181 Steam dealkylation catalyst and process for preparing it Feb. 15, 1977











 
 
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