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| Number | Title | Issue Date |
| 7863490 | Process for the manufacture of 1,2-dichloroethane Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents; b) the mixture of products co... | 01/04/2011 |
| 7683223 | Method for purifying hydrogen chloride Method for purifying hydrogen chloride gas containing aromatic organic compounds, comprising at least one step of contacting the said hydrogen chloride with a scrubbing agent containing 1,2-dichlorethane. ... | 03/23/2010 |
| 7335806 | Integrated process for producing 1,2-dichloroethylene Describes an integrated process for preparing 1,2-dichloroethylenes. In the described process organic feed material, e.g., C2-C4 aliphatic hydrocarbons and/or chlorinated derivatives of such aliphatic hydrocarbons, is introduced into a first re... | 02/26/2008 |
| 7126035 | Catalyst composition for oxychlorination The present invention relates to a catalyst composition for the oxychlorination of ethylene, comprising a mixture of metal salts on a support, where said metal salts are applied to the support in such ratios that the catalyst composition comprises a) fr... | 10/24/2006 |
| 7001573 | Process for removing fine dust from a fluidized-bed reactor, in particular for the oxychlorination of ethylene By a process for removing fine dust from a fluidized-bed reactor, in particular for the oxychlorination of ethylene, is intended to permit specific control of the amount of fine dust particles in a reactor while reducing the height of the reactor and the same time f... | 02/21/2006 |
| 6984763 | Oxidative halogenation and optional dehydrogenation of c3+hydrocarbons An oxidative halogenation and optional dehydrogenation process involving contacting a reactant hydrocarbon having three or more carbon atoms, such as propane or propene, or a halogenated derivative thereof, with a source of halogen, and optionally, a source of oxyge... | 01/10/2006 |
| 6933417 | Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent A process for producing vinyl chloride monomer from ethylene and ethane having input of significant quantities of both ethane and ethylene in input streams to the affiliated reactor where hydrogen chloride in the reactor effluent is only partially recovered from the... | 08/23/2005 |
| 6911185 | Fluidized-bed reactor for the oxychlorination of ethyene, oxygen and HCl A fluidized-bed reactor for the oxychlorination of ethylene, oxygen and HCL, comprises a heat exchanger, having tube packets in the fluidized-bed for releasing the heat evolved from exothermic reaction to a heat-transfer medium in the tube packets, in particular to ... | 06/28/2005 |
| 6909024 | Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process This invention is a process for producing vinyl chloride from an ethylene-containing feed, oxygen, and a chlorine source in the presence of a catalyst. The process permits direct production of vinyl chloride in a single reactor system, and further permits ethane to ... | 06/21/2005 |
| 6872684 | Catalysts for oxychlorination of ethylene to 1,2-dichloroethane Catalysts for oxychlorination of ethylene to 1,2-dichloroethane, comprising compounds of copper and magnesium supported on alumina, in which the copper, expressed as metal, is present in an amount of 7 to 12% by weight and the Mg/Cu ratio is 0.05 to 1, and wherein t... | 03/29/2005 |
| 6821924 | Oxyhalogenation process using catalyst having porous rare earth halide support An oxidative halogenation process involving contacting a hydrocarbon, for example, ethylene, or a halogenated hydrocarbon with a source of halogen, such as hydrogen chloride, and a source of oxygen in the presence of a catalyst so as to form a halocarbon, preferably... | 11/23/2004 |
| 6797845 | Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent A process for producing vinyl chloride monomer where significant quantities of both ethane and ethylene in input streams to the affiliated reactor where hydrogen chloride in the reactor effluent is essentially fully recovered from the reactor effluent in the first u... | 09/28/2004 |
| 6759365 | Catalysts for oxychlorination of ethylene to 1,2-dichloroethane Catalysts for the oxychlorination of ethylene to 1,2-dichloroethylene, comprising compounds of Cu and Mg supported on alumina, in which the copper content, expressed as Cu, is 2 to 8% by weight, the Mg/Cu atomic ratio is from 1.2 to 2.5, and the specific surface of ... | 07/06/2004 |
| 6680415 | Oxyhalogenation process using catalyst having porous rare earth halide support An oxidative halogenation process involving contacting a hydrocarbon, for example, ethylene, or a halogenated hydrocarbon with a source of halogen, such as hydrogen chloride, and a source of oxygen in the presence of a catalyst so as to form a halocarbon,... | 01/20/2004 |
| 6437204 | Process for the VCM production In a process for the production of VCM, the gaseous reactants and an inert carrier gas are fed into an adiabatic reaction zone in the oxychlorination section, both reaction zones being associated with an integral fluidised bed, the cooled reaction zone co... | 08/20/2002 |
| 6191329 | Process for specific energy saving, especially in the oxychlorination of ethylene A process for specific energy saving, especially in processes involving the oxychlorination of ethylene, facilitates recovery of as much sensible heat to be used for other purposes. In the process the gas mixture leaving the oxychlorination reactor is coo... | 02/20/2001 |
| 6180841 | Single stage fixed bed oxychlorination of ethylene A method for the oxychlorination of ethylene to produce 1,2-dichloroethane comprises reacting ethylene with a chlorine source and an oxygen source in a fixed-bed oxychlorination reactor in the presence of a catalyst, and is characterized in that a single ... | 01/30/2001 |
| 6002019 | Process for the production of petrochemicals Petrochemicals are produced by the vapor phase reaction of a hydrocarbon with air in the presence of a suitable catalyst. The petrochemical product is removed from the product gas stream, and part or all of the remaining gas stream is passed through a bed... | 12/14/1999 |
| 5763710 | Oxychlorination process A method for the catalytic oxychlorination of ethane to VCM comprising combining ethane and a chlorine source in an oxychlorination reactor in the presence of an oxychlorination catalyst, the reaction conditions being selected to reduce the influence of t... | 06/09/1998 |
| 5728905 | Vinyl chloride production process A method for the production of vinyl chloride monomer by catalytic oxychlorination of ethane wherein HCl is supplied in excess of the stiochiometric requirement for chlorine in the reaction.... | 03/17/1998 |
| 5663465 | By-product recycling in oxychlorination process A method for the catalytic oxychlorination of ethane to VCM comprising the steps of combining ethane and a chlorine source in an oxychlorination reactor with a suitable catalyst to promote the oxychlorination of the ethane, collecting the resultant VCM an... | 09/02/1997 |
| 5646304 | Process for the production of petrochemicals A petrochemical is produced by the vapor phase reaction of a hydrocarbon with air in the presence of a suitable catalyst. The petrochemical is removed from the reactor effluent, and part or all of the remaining petrochemical-free gas stream is passed thro... | 07/08/1997 |
| 5334789 | Oxychlorination catalyst process for preparing the catalyst and method of oxychlorination with use of the catalyst Disclosed are an oxychlorination catalyst comprising a carrier material, and a palladium compound, a copper compound and a vanadium compound which are supported on the carrier material; an oxychlorination catalyst comprising a carrier material, and a pall... | 08/02/1994 |
| 5262547 | Process for the production of petrochemicals Petrochemicals are produced by the vapor phase reaction of a hydrocarbon with substantially pure oxygen in the presence of a suitable catalyst. In the improved process, the principal product is removed, carbon monoxide, present in the reactor effluent as ... | 11/16/1993 |
| 5260247 | Catalytic composition for oxychlorination and process for the oxychlorination of ethylene using such a composition The invention relates to a catalytic composition for oxychlorination, as well as to a process for the oxychlorination of ethylene by means of such a catalytic composition based on copper chloride, magnesium chloride, lithium chloride and at least one othe... | 11/09/1993 |
| 5243111 | Catalytic oxychlorination of hydrocarbons to produce chlorocarbons Hydrocarbons, e.g., ethylene, are steady-state catalytically oxychlorinated into chlorocarbons, e.g., 1,2-dichloroethane, by fluidizing a fluidizable charge by directing a gaseous feedstream containing a hydrocarbon therethrough and therein oxychlorinatin... | 09/07/1993 |
| 5208399 | Method for producing allyl chloride A method for producing allyl chloride by oxychlorination of propylene, which comprises reacting propylene, hydrogen chloride and oxygen in the presence of a catalyst comprising an alloy of tellurium supported on a carrier.... | 05/04/1993 |
| 5179215 | Process for the production of petrochemicals An improved process is provided for the production of a petrochemical by the vapor phase reaction of a hydrocarbon with an oxygen-containing gas in the presence of a suitable catalyst to produce a flammable gaseous product stream comprising the desired pe... | 01/12/1993 |
| 5157174 | Ternary molybdenum chalcogenide oxychlorination catalysts Hydrocarbons are oxychlorinated by reaction with gaseous HCl and an oxygen-containing gas, in the presence of a catalytically effective amount of a ternary copper/molybdenum chalcogenide having the formula: Cux Mo6 Ch8 wherein ... | 10/20/1992 |
| 5113027 | Oxychlorination process using a catalyst which comprises copper chloride supported on rare-earth modified alumina A superior catalyst for the oxychlorination of C2 hydrocarbon feeds comprises a mixture of copper chloride and alkali metal chloride, especially potassium chloride, and preferably also magnesium chloride, which mixture is deposited on an alumin... | 05/12/1992 |
| 5099085 | Chlorination reactions and oxychlorination reactions in the presence of honeycomb monolithic catalyst supports The use of hitherto known supported catalysts in chlorination processes and oxychlorination processes leads to high pressure drops and to the formation of hot spot temperatures in the reactor. When honeycomb monolithic catalyst supports provided with a mu... | 03/24/1992 |
| 5097083 | Process for the chlorination of ethane A process is provided for the chlorination of ethane using hydrogen chloride, chlorine or mixtures as the chlorinating agent. The process includes reaction steps operated in tandem in separate zones first comprising the reaction of perchloroethylene with ... | 03/17/1992 |
| 5004849 | Manufacture of perchloroethylene and trichloroethylene by catalytic oxychlorination, and improved catalysts therefor A superior catalyst for the oxychlorination of C2 hydrocarbon feeds comprises a mixture of copper chloride and alkali metal chloride, for instance, potassium chloride, and preferably also magnesium chloride, which mixture is deposited on an alu... | 04/02/1991 |
| 4990696 | Methyl alcohol process Perchloroethylene is oxychlorinated to provide hexachloroethane which is reacted with methane to produce methyl chloride which is hydrolyzed to form methyl alcohol product and hydrogen chloride which is recycled to the oxychlorination step.... | 02/05/1991 |
| 4899000 | Production of allyl chloride A process is provided for the production of allyl chloride from three carbon atom hydrocarbons (propane and/or propylene) using hydrogen chloride or hydrogen chloride/chlorine mixtures as the chlorinating agent. The process includes reaction steps operate... | 02/06/1990 |
| 4587230 | Supported catalysts for the synthesis of 1,2-dichloroethane by oxychlorination of ethylene within a fluidized bed and method for the preparation of the catalysts A supported catalyst for the C2 H4 oxychlorination within a fluidized bed comprising a Cu compound in amounts corresponding to a content from 1 to 10% by weight--as Cu metal--on a carrier preferably selected from the group consisting... | 05/06/1986 |
| 4467127 | Process for the oxychlorination of an alkane using a solid solution catalyst containing iron cations An alkane is reacted with oxygen and available chlorine in the presence of a solid solution catalyst containing iron cations to yield unsaturated hydrocarbons and chlorinated saturated and unsaturated hydrocarbons. In a preferred embodiment of the process... | 08/21/1984 |
| 4463200 | Process for the production of perchloroethylene by catalytic oxychlorination The production of undesirable 1,1,2-trichloroethane and unsym-tetrachloroethane during the production of perchloroethylene is eliminated or essentially eliminated by an improved oxychlorination reaction. The oxychlorination reaction is carried out in the ... | 07/31/1984 |
| 4461919 | Process for the oxychlorination of an alkane using a solid solution catalyst containing iron cations An alkane is reacted with oxygen and available chlorine in the presence of a solid solution catalyst containing iron cations to yield unsaturated hydrocarbons and chlorinated saturated and unsaturated hydrocarbons. In a preferred embodiment of the process... | 07/24/1984 |
| 4451683 | Catalyst, catalyst support and oxychlorination process An oxychlorination catalyst contains a copper compound, magnesium oxide and aluminium oxide, and the copper compound is present as a distinct phase on a support in which at least part of the magnesium oxide is in combined form with alumina.... | 05/29/1984 |
