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Class Information
Number: 585/468
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. > Using metal, metal oxide, or hydroxide catalyst > Noncrystalline, and containing al and si
Description: Subject matter wherein the catalyst is amorphous and contains both aluminum and silicon.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7030285 Alkylation process Apr. 18, 2006
6939998 Preparation of 5-tert-butyl-metaxylene using a solid active clay catalyst Sep. 6, 2005
6420305 Solid acid catalyst, method for producing the same and reaction method using the same Jul. 16, 2002
6388156 Direct selective synthesis of para-xylene by reacting an aromatic compound with a methylating agent formed from CO, Co2 and H2 May. 14, 2002
6172274 Solid catalyst alkylation process using a wetting zone Jan. 9, 2001
6169219 Alkylation of aromatics with removal of polymeric byproducts Jan. 2, 2001
6010617 Process for producing non-carcinogenic coal-tar-derived products Jan. 4, 2000
5977424 Catalyst and process for preparing long chain alkyl-aromatic compounds Nov. 2, 1999
5962760 Alkylation of aromatics using a metal cation-modified friedel-crafts type catalyst Oct. 5, 1999
5922922 Process for producing an alkylated, non-oxygen-containing aromatic hydrocarbon Jul. 13, 1999
5804690 Selective monomethylation of aromatics with dimethylcarbonate Sep. 8, 1998
5786290 Catalyst and process for preparing long chain alkylaromatic compounds Jul. 28, 1998
5770782 Process and system for alkylation of aromatic compounds Jun. 23, 1998
5733439 Hydrocarbon conversion processes using substituted fluoride smectite clays Mar. 31, 1998
5628880 Etherification--hydrogenation process May. 13, 1997
5491271 Detergent alkylation using a regenerable clay catalyst Feb. 13, 1996
5488193 Process for reducing polynuclear aromatic mutagenicity by alkylation Jan. 30, 1996
5414185 Treated pillared clays and alkylation process using same May. 9, 1995
5344997 Alkylation of aromatics using a fluorided silica-alumina catalyst Sep. 6, 1994
5202515 Process for preparing alkyl-substituted aromatic hydrocarbons Apr. 13, 1993
5191134 Aromatics alkylation process Mar. 2, 1993
5171915 Alkylaromatic lubricants from alpha-olefin dimer Dec. 15, 1992
5132437 Synthesis of 1-aminoanthraquinone Jul. 21, 1992
5118872 Process for conducting heterogeneous chemical reactions Jun. 2, 1992
5118895 Process for preparing alkyl-substituted aromatic hydrocarbon Jun. 2, 1992
5097061 Method for preparing .alpha.-(4-isobutylphenyl)propionic acid or its precursor Mar. 17, 1992
5043509 Shaped catalyst particles utilizable for the conversion of organic compounds Aug. 27, 1991
5043511 Production of alkyl aromatic compounds Aug. 27, 1991
4978807 Method for the preparation of methyl tertiary butyl ether Dec. 18, 1990
4973782 Preparation of 2,2-diethyltoluene Nov. 27, 1990
4962255 Catalysts and process for the production of hydrocarbons and substitution of hydrocarbons Oct. 9, 1990
4914242 Process for preparing 3-ethylbenzophenone Apr. 3, 1990
4795550 Removal of trace olefins from aromatic hydrocarbons Jan. 3, 1989
4727209 Hydrocarbon alkylation processes employing a phosphorus-modified alumina composite Feb. 23, 1988
4721826 Process for restoring or maintaining the activity of heterogeneous catalysts for reactions at normal and low pressures Jan. 26, 1988
4613717 Process for producing a 1,4-dialkylbenzene Sep. 23, 1986
4605806 Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays Aug. 12, 1986
4570027 Alkylation of aromatic molecules using a silica-alumina catalyst derived from zeolite Feb. 11, 1986
4551572 Process for reacting aromatic compounds Nov. 5, 1985
4542250 Use of stabilized pillared interlayered clays as catalyst in alkylation reactions Sep. 17, 1985
4524229 Arene alkylation with metal oxide-niobium halide/oxide catalysts Jun. 18, 1985
4501925 Chemical reaction promoted by catalytically active amorphous silica Feb. 26, 1985
4499319 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays Feb. 12, 1985
4487983 Process for reacting aromatic compounds Dec. 11, 1984
4480142 Catalytic alkylation Oct. 30, 1984
4409412 Process for producing alkyl aromatic compounds Oct. 11, 1983
4387259 Selective alkylation of aromatic hydrocarbons using a mixed ethylene/propylene alkylation agent Jun. 7, 1983
4382851 Methylation process May. 10, 1983
4368342 Benzene alkylation process Jan. 11, 1983
4335022 Modified silica composition Jun. 15, 1982

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