Class 585/468 - Noncrystalline, and containing Al and Si

Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein the catalyst is amorphous and contains
No. of patents: 55
Last issue date: 04/01/2008

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Number	Title	Issue Date
7351328	Desulfurization and novel process for same A composition comprising a metal oxide and a promoter, wherein at least a portion of the promoter is present as a reduced valence promoter, and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone t...	04/01/2008
7030285	Alkylation process A side-chain of a substituted aromatic compound is alkylated by reacting the aromatic compound with an alkylating agent in the presence of a catalyst. The catalyst comprises a restructured smectite clay to which basic ions are incorporated by ion-exchange. The restr...	04/18/2006
6939998	Preparation of 5-tert-butyl-metaxylene using a solid active clay catalyst Alkylation of metaxylene with isobutylene using a solid active clay catalyst produces 5-tert-butyl-metaxylene with high isomer selectivity with respect to 4-tert-butyl-metaxylene. The process is controlled to extend catalyst life and significantly reduce environment...	09/06/2005
6420305	Solid acid catalyst, method for producing the same and reaction method using the same A method for producting a solid acid catalyst is provided which produces a shaped material of a solid acid catalyst containing a sulfureous component but have a high activity and having a practically sufficient handleability and mechanical strength involv...	07/16/2002
6388156	Direct selective synthesis of para-xylene by reacting an aromatic compound with a methylating agent formed from CO, Co2 and H2 It has been discovered that para-xylene (PX) can be synthesized with improved selectivity by reacting an aromatic compound such as toluene and/or benzene with a reactant(s) such as a combination of hydrogen and carbon monoxide and/or carbon dioxide and/or...	05/14/2002
6172274	Solid catalyst alkylation process using a wetting zone A solid catalyst alkylation process that wets catalyst particles with the alkylation substrate prior to introducing the catalyst particles to a liquid phase alkylation reactor is disclosed. A vapor stream from the wetting step that comprises the alkylatio...	01/09/2001
6169219	Alkylation of aromatics with removal of polymeric byproducts Detergent-quality linear alkylaromatics are recovered from an alkylation reactor effluent containing polymeric byproducts, such as dimers and trimers of the olefinic feedstock. The effluent stream passes to another reactor operating at a higher temperatur...	01/02/2001
6010617	Process for producing non-carcinogenic coal-tar-derived products A process for reducing the mutagenicity of a coal-tar-based product containing polynuclear aromatic compounds. The process includes the step of contacting the coal-tar-based product in the presence of an alkylating agent with an acid catalyst under alkyla...	01/04/2000
5977424	Catalyst and process for preparing long chain alkyl-aromatic compounds A catalyst is disclosed which comprises a clay belonging to the family of smectites, containing multi-metal pillars, together with a process which uses such a catalyst for the alkylation of aromatic hydrocarbons by means of long chain linear olefins. The ...	11/02/1999
5962760	Alkylation of aromatics using a metal cation-modified friedel-crafts type catalyst A process for the alkylation of aromatic compounds with an olefin or alkyl halide having from 1 to 24 carbon atoms utilizes a novel catalyst comprising: a) a refractory inorganic oxide, b) the reaction product of a first metal halide and bound surface hyd...	10/05/1999
5922922	Process for producing an alkylated, non-oxygen-containing aromatic hydrocarbon An alkylated aromatic hydrocarbon is produced having the following properties: (a) less than 40 wt. % of the alkylated aromatic hydrocarbon is 2-aryl; and (b) at least 20 wt. % of the alkylated aromatic hydrocarbon is a monoalkylate. That alkylated aromat...	07/13/1999
5804690	Selective monomethylation of aromatics with dimethylcarbonate A mono-methylation process for the production of methylated aromatics by reacting aromatics with dimethylcarbonate in the presence of a metal oxide or binary metal oxide catalyst. A process for preparing toluene from benzene by reacting with dimethylcarbo...	09/08/1998
5786290	Catalyst and process for preparing long chain alkylaromatic compounds A catalyst is disclosed which comprises a clay belonging to the family of smectites, containing multi-metal pillars, together with a process which uses such a catalyst for the alkylation of aromatic hydrocarbons by means of long chain linear olefins. The ...	07/28/1998
5770782	Process and system for alkylation of aromatic compounds This invention is directed to a reactive distillation process and system for the alkylation of liquid aromatic compounds with a liquid olefin or olefin/paraffin mixture. The aromatic compound may have from about 6 to about 30 carbons and the olefin may ha...	06/23/1998
5733439	Hydrocarbon conversion processes using substituted fluoride smectite clays Hydrocarbon conversion processes, e.g., alkylation, are disclosed and claimed which use as the catalyst novel fluoride containing substituted smectite clays. The clay has the formula Ax (My M'4-y)(Si8-x Mt...	03/31/1998
5628880	Etherification--hydrogenation process A process for removing dienes from etherification uses a hydrogenation zone in the reactor distillation column above the etherification zone. MTBE is produced and the unreacted C4 stream is also subjected to selective hydrogenation of the butad...	05/13/1997
5491271	Detergent alkylation using a regenerable clay catalyst Tetrahedrally charged clays have been found to be active, regenerable catalysts in detergent alkylation, both as delaminated and pillared clays. The pillared saponites and beidellites are especially favored in forming detergent range alkylates using olefi...	02/13/1996
5488193	Process for reducing polynuclear aromatic mutagenicity by alkylation A process for reducing the mutagenicity of a polynuclear aromatic containing material containing from three to seven fused aromatic rings, especially a hydrocarbon refinery stream. The process reduces the initial mutagenicity index to a lower value by alk...	01/30/1996
5414185	Treated pillared clays and alkylation process using same This invention relates to a treated pillared clay made by the process comprising the steps of: (A) contacting at least one clay with an effective amount of at least one ammonium ion source to exchange sodium and/or calcium ions in said clay for ammonium i...	05/09/1995
5344997	Alkylation of aromatics using a fluorided silica-alumina catalyst A fluorided silica-alumina catalyst, particularly one with a silica:alumina ratio in the range of 1:1-9:1 containing from 1 to 6 weight percent fluoride, is particularly effective in the liquid phase alkylation of benzene by linear olefins to produce line...	09/06/1994
5202515	Process for preparing alkyl-substituted aromatic hydrocarbons An alkyl-substituted hydrocarbon is prepared by alkylating an alkyl aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by heating and reacting an a...	04/13/1993
5191134	Aromatics alkylation process Long chain alkyl substituted aromatic compounds, particularly alkylated naphthalenes are produced by the alkylation of aromatics, e.g. naphthalene, with an olefin or other alkylating agent possessing at least 6 carbon atoms, usually 12 to 20 carbon atoms,...	03/02/1993
5171915	Alkylaromatic lubricants from alpha-olefin dimer It is disclosed that aromatic compounds can be alkylated with mono-olefinic HVI-PAO dimer in contact with an acidic catalyst to produce novel alkylated aromatic compositions. It has been found that the novel HVI-PAO dimer alkylated aromatic compositions e...	12/15/1992
5132437	Synthesis of 1-aminoanthraquinone 1-Aminoanthraquinone (1-AAQ) is synthesized by the reaction of 2-chlorobenzyl chloride and xylene in the presence of a solid acid catalyst to yield 2-chloro dimethyldiphenylmethane, subsequent oxidation of the methyl groups, ring closure to form a 1-chlor...	07/21/1992
5118872	Process for conducting heterogeneous chemical reactions There is provided a new process for conducting heterogeneous chemical reactions in which a particulate catalyst is slurried in one of the reactant streams and fed into a distillation column reactor in a distillation reaction zone. The distillation reactio...	06/02/1992
5097061	Method for preparing ଱-(4-isobutylphenyl)propionic acid or its precursor A method for preparing ଱-(4-isobutylphenyl)propionic acid or its precursor is here disclosed which comprises a step A of forming p-isobutylstyrene from p-isobutylethylbenzene and a step B of forming ଱-(4-isobutylphenyl)propionaldehyde from p-i...	03/17/1992
5043511	Production of alkyl aromatic compounds Alkyl aromatic compounds may be prepared by reacting an aromatic compound such as benzene with an alkylating agent such as an olefin or alkyl halide in the presence of an alkylation catalyst. The alkylation catalyst of the present invention comprises a cl...	08/27/1991
5043509	Shaped catalyst particles utilizable for the conversion of organic compounds Catalyst particles which are employed in reactions involving the conversion of organic compounds should possess a desired configuration in order to maintain a desired voidage which will permit passage of the feedstock through the catalyst bed during the c...	08/27/1991
4978807	Method for the preparation of methyl tertiary butyl ether A method and apparatus for conducting a catalytic distillation process is provided which allows for maintaining a liquid level in selected portions of the catalyst bed. Three particular processes disclosed are the production of methyl tertiary butyl ether...	12/18/1990
4973782	Preparation of 2,2-diethyltoluene A diethyltoluene mixture rich in 2,5-diethyltoluene and containing less tha 5% of the 3,5-diethyltoluene can be prepared by methylating 1,4-diethylbenzene with an excess of methanol in the presence of amorphous silica-alumina catalysts. The most desirable...	11/27/1990
4962255	Catalysts and process for the production of hydrocarbons and substitution of hydrocarbons A method of selective beta-alkylation of aromatic substrates such as naphthalene or a derivative thereof, comprising reacting the substrate with an alcohol or olefin alkylating agent in the presence of a catalyst selected from the group consisting of a cr...	10/09/1990
4914242	Process for preparing 3-ethylbenzophenone 3-Ethylbenzophenone is prepared by oxidizing a by-product heavy oil fraction produced in the production of ethylbenzene using ZSM-5 type synthetic zeolite catalyst, without splitting carbon-to-carbon bonds. 3-Ethylbenzophenone is a starting material for s...	04/03/1990
4795550	Removal of trace olefins from aromatic hydrocarbons This invention presents a novel treating process for the removal of trace quantities of olefinic impurities from a hydrocarbon process stream. Specifically, this process operates at liquid phase conditions treating hydrocarbon streams comprising substanti...	01/03/1989
4727209	Hydrocarbon alkylation processes employing a phosphorus-modified alumina composite Hydrocarbon conversion processes including hydrocracking and hydrotreating are performed utilizing a novel phosphorus-modified alumina composite comprising a hydrogel having a molar ratio on an elemental basis of phosphorus to aluminum of from 1:1 to 1:10...	02/23/1988
4721826	Process for restoring or maintaining the activity of heterogeneous catalysts for reactions at normal and low pressures By the process of the present invention the activity of heterogeneous catalysts for reactions at normal and low pressures is restored or maintained. These catalysts can lose their activity as a result of the deposition, physisorption or chemisorption of o...	01/26/1988
4613717	Process for producing a 1,4-dialkylbenzene By the vapor phase reaction of benzene or a monoalkylbenzene with an alkylating agent in the presence of a specific catalyst obtained by subjecting a zeolite to a treatment with a gas containing a silicic acid ester and then a calcination in an oxygen-con...	09/23/1986
4605806	Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays The invention relates to the use of hydrogen ion-exchanged layered clays in organic reactions which are catalyzed by protons. Such organic reactions include the production of ethers by the reaction of an alcohol with an olefin or an olefin oxide, the prod...	08/12/1986
4570027	Alkylation of aromatic molecules using a silica-alumina catalyst derived from zeolite Aromatic molecules are alkylated using a silica-alumina catalyst derived from zeolite. The silica-alumina catalyst is a partially collapsed zeolite, i.e., a material of reduced crystallinity. The alkylation process which employs this material of reduced c...	02/11/1986
4551572	Process for reacting aromatic compounds A process for reacting an aromatic compound, water and carbon monoxide in the presence of a cadmium-containing catalyst is disclosed....	11/05/1985
4542250	Use of stabilized pillared interlayered clays as catalyst in alkylation reactions A method for carrying out processes capable of catalysis by protons using as catalyst a stabilized pillared interlayered clay....	09/17/1985

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Class 585/468 - Noncrystalline, and containing Al and Si