Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7605294 | Process for the preparation of substituted fluorenes Methods for the preparation of fluorenyl-type ligand structures and substituted fluorenyl groups which may be employed in metallocene-type olefin polymerization catalysts. There is provided a 2,2′-dihalogen-diphenylmethylene having a methylene bridge connecting a ... | 10/20/2009 |
| 7560608 | Method of preparing a xylene product A method of modifying a zeolite catalyst to increase para-xylene selectivity of the zeolite catalyst in toluene methylation reactions is provided. The method includes forming a slurry of a ZSM-5-type zeolite and an aqueous solution of a phosphorus compound. Water is... | 07/14/2009 |
| 7473813 | Process for the preparation of substituted fluorenes Methods for the preparation of fluorenyl-type ligand structures and substituted fluorenyl groups which may be employed in metallocene-type olefin polymerization catalysts. There is provided a 2,2′-dihalogen-diphenylmethylene having a methylene bridge connecting a ... | 01/06/2009 |
| 7304194 | Hydrothermal treatment of phosphorus-modified zeolite catalysts A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The phosphorus-treated ZSM-5 zeolite catalyst is calcined and steamed. Steamin... | 12/04/2007 |
| 7297827 | Use of monolith catalyst to prepare ethylbenzene Disclosed is an alkylation reactor for preparing ethylbenzene. The reactor comprises a monolith catalyst system that includes a monolith support impregnated or co-formed with a catalyst suitable to catalyze the alkylation of benzene with ethylene. The catalyst may b... | 11/20/2007 |
| 7294420 | Production of hydrogen A method of producing hydrogen for a fuel cell from a hydrocarbon fuel composition, by providing a hydrocarbon fuel composition, which is obtained by contacting a liquid hydrocarbon feed comprising an alkylating agent with an acidic catalyst, under conditions effect... | 11/13/2007 |
| 7265075 | Hydro-refining catalyst, carrier for use therein and method for production thereof A method for producing a hydrorefining catalyst of the present invention has a step of preparing an aluminum solution containing phosphorus in a molar ratio of 0.001 to 0.05 with respect to aluminum; a step of neutralizing the prepared aluminum solution to produce a... | 09/04/2007 |
| 7256152 | Composition of catalyst and solvent and catalysis processes using this composition A composition defined: either as comprising at least one Broensted acid, designated HB, dissolved in a liquid medium with an ionic nature of general formula Q+A−, in which Q+ represents an organic cation and A− represents an an... | 08/14/2007 |
| 7223879 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. ... | 05/29/2007 |
| 7202189 | Shaped catalysts for transalkylation of aromatics for enhanced xylenes production A catalyst, a process for using the catalyst whereby the catalyst effectively transalkylates C7, C9, and C10 aromatics to C8 aromatics are disclosed. The catalyst comprises a support such as mordenite plus a metal componen... | 04/10/2007 |
| 7161052 | Process for the valorization of a charge of hydrocarbons and for reducing the vapor pressure of said charge A process is described for the valorization of a charge of hydrocarbons and for reducing the vapour pressure of said charge, comprising three steps: a step a) consisting of separating said charge of hydrocarbons into a fraction (O1) comprising essentially compounds ... | 01/09/2007 |
| 7151199 | Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the catalyst. The halogen may be removed by one of several methods. One m... | 12/19/2006 |
| 7098370 | Process for the production of phenylalkanes using a catalyst that contains at least one heteropolyacid The invention relates to a process for the production of a mixture of compounds that comprises for the most part at least one mono-alkylbenzene that belongs to the group that is formed by the 2-, 3-, 4-, 5- and 6-phenylalkanes by alkylation of benzene with at least ... | 08/29/2006 |
| 7087546 | Process for regenerating and rejuvenating additive-based catalysts The present invention pertains to a process for regenerating and rejuvenating an additive-based hydrotreating catalyst containing Group VIB and Group VIII hydrogenation metals. The process comprises the steps of regenerating the catalyst by contacting it with an oxy... | 08/08/2006 |
| 7038100 | Aromatics alkylation The present invention provides a process for producing an alkylaromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent under alkylation conditions in the presence of a alkylation catalyst comprising phosphorus an... | 05/02/2006 |
| 7026498 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming react... | 04/11/2006 |
| 6946560 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming react... | 09/20/2005 |
| 6909026 | Process for liquid phase aromatics alkylation comprising in-situ catalyst reactivation with polar compounds The catalyst becomes at least partially deactivated by sorbing catalyst poisons present in the feed during a process for alkylating aromatics by contacting a feed containing benzene, toluene, xylenes, alkylbenzenes, naphthalene or substituted naphthalenes under liqu... | 06/21/2005 |
| 6464857 | Crystalline phosphorus-containing molecular sieves Molecular sieves comprising (1) phosphorus oxide; (2) a first oxide comprising an oxide of silicon, germanium or mixtures thereof; and (3) a second oxide comprising an oxide of aluminum, boron or mixtures thereof, said molecular sieve having a mole ratio ... | 10/15/2002 |
| 6316675 | Process for the preparation of an olefin-substituted aromatic or heteroaromatic compound A process for the synthesis of olefins having aromatic substituents is described in which olefins are reacted with aryl halides in the presence of catalysts consisting of palladium compounds and tetraaryl phosphonium salts.... | 11/13/2001 |
| 6124462 | Catalysis using phosphine oxide compounds Phosphine oxide compounds were used with transition metals, preferably palladium, to produce biaryls and arylamines via cross-coupling reactions with aryl halides and arylboronic acids or amines.... | 09/26/2000 |
| 6111159 | Hydrocarbon conversion process A method is provided for putting a fresh bed of solid phosphoric acid catalyst into service to catalyze a hydrocarbon conversion process. The method involves establishing hydrocarbon conversion conditions of temperature and pressure in the catalyst bed wh... | 08/29/2000 |
| 6005151 | Processs for preparing aromatic olefins using palladacycle catalysis The invention relates to a process for preparing monofunctional, bifunctional or polyfunctional aromatic olefins of the formula (I) ##STR1## wherein a palladium compound of the formula (IV) ##STR2## is used as a catalyst in the preparation of th... | 12/21/1999 |
| 5994602 | Alkylation process This invention relates to a process for the alkylation of aromatics by reacting an aromatic hydrocarbon with an olefin in the presence of an ionic liquid comprising (a) a compound of the formula Rn MX3-n wherein R is a C1-C6 alkyl ra... | 11/30/1999 |
| 5986155 | Catalytic process for making high reactivity alkylating agents and products resulting therefrom Treating low reactivity alkylating agents in the vapor phase with catalysts converts the low reactivity alkylating agents to high reactivity alkylating agents. The alkylating agents are useful in synthesis of alkyl aromatics with Lewis acid catalysts.... | 11/16/1999 |
| 5955641 | Method of making dimethylnaphthalenes The method of the invention includes making dimethyinaphthalenes by first contacting, in an alkylation zone, at alkylation conditions, a toluene-containing stream with a pentene-containing stream in the presence of an acid alkylation catalyst. At least a ... | 09/21/1999 |
| 5866739 | Heteropoly salts or acid salts deposited in the interior of porous supports The present invention relates to a catalyst composition, its methods of preparation and its use in aromatic alkylation processes. The composition comprises a heteropoly compound selected from the group consisting of heteropoly salts and heteropolyacid sal... | 02/02/1999 |
| 5859302 | Processes employing reusable aluminum catalysts Described are novel processes which employ reusable aluminum catalysts in Friedel-Crafts reactions. In one aspect, a novel process for producing a Friedel-Crafts reaction product is described, the process comprising: providing, to a reactor, aromatic reac... | 01/12/1999 |
| 5856608 | Hydrotreating catalyst composition and processes therefor and therewith A catalyst composition and a process for converting a C9 + aromatic compound such as, for example, 1,2,4-trimethylbenzene to a C6 to C8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises a zeoli... | 01/05/1999 |
| 5808169 | Process for the preparation of 1,2,4,5-dimethyldiisopropylbenzene A process for preparing 1,2,4,5-dimethyldiisopropylbenzene includes conducting alkylation of p-xylene with propylene to produce an alkylation product, and crystallizing the alkylation product. A heteropolyacid-supported catalyst can be used as an alkylati... | 09/15/1998 |
| 5792894 | Conversion of aromatic and olefins A process is disclosed for alkylating a volatile aromatic compound with a light aliphatic mono-olefinic alkylating agent and concurrently condensing the alkylating agent in the presence of a solid alkylation- and condensation-promoting catalyst and at a t... | 08/11/1998 |
| 5756872 | Process for the treatment of FCCU off gas A process wherein an FCCU off gas is treated by first subjecting the off gas to an alkylation with a heavy reformat to remove the propylene and contaminants after which the gas is separated from the reformat and alkylated products by distillation to produ... | 05/26/1998 |
| 5705725 | Aromatic alkali metal alkene addition process A process is provided comprising: (a) contacting a hydrocarbyl lithium with an alkali metal hydrocarbyloxide in the presence of an aromatic compound; and thereafter (b) recovering an aromatic alkali metal compound; and thereafter (c) contacting said aroma... | 01/06/1998 |
| 5705724 | Aromatics alkylation with cracked recycled plastics A process is disclosed for the production of alkylaromatic compounds employing olefinic liquid from thermally or catalytically cracked plastics as alkylating agent. The process comprises contacting a feedstream comprising alkylatable aromatics and the ole... | 01/06/1998 |
| 5698755 | Process for preparing aromatic olefins using palladacycle catalysis The invention relates to a process for preparing monofunctional, bifunctional or polyfunctional aromatic olefins of the formula (I) ##STR1## by reaction of haloaromatics of the formula (II) ##STR2## with olefins of the formula (III) ##STR3#... | 12/16/1997 |
| 5650547 | Catalyst for the alkylation of aromatic compounds and process which makes use of said catalyst This invention provides a process for the selective production of cumene comprising reacting benzene with propylene in the presence of a type-Y zeolite modified by treatment with a phosphorous compound. This invention also provides a process for the trans... | 07/22/1997 |
| 5498813 | In situ formation of corrosion inhibitors Alkyl alcohols are added to the effluent from hydrocarbon reactions using phosphoric acid based catalysts to prevent corrosion in metallic pipes and vessels downstream of the reactor. The alcohol is believed to react with phosphoric acid present in the hy... | 03/12/1996 |
| 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 |
| 5449450 | Hydrocarbon conversion process using a crystalline microporous metallo-zinc phosphate composition Hydrocarbon conversion processes are described which use novel microporous compositions. These compositions have a three-dimensional microporous framework structure of ZnO2, PO2 and M'O2 tetrahedral units, and an intracrys... | 09/12/1995 |
| 5434326 | Discrete molecular sieve and use in aromatic-olefin alkylation This invention presents a novel MgAPSO molecular sieve, containing a critical range of magnesium in the sieve framework and having a small crystallite size, which is particularly active for hydrocarbon conversion. The sieve advantageously is incorporated,... | 07/18/1995 |
