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| Number | Title | Issue Date |
| 8071827 | Process for the manufacture of 1,2-dichloroethane Process for the manufacture of 1,2-dichloroethane (DCE) starting from a stream of ethane which is subjected to a catalytic oxydehydrogenation (ODH) producing a gas mixture containing ethylene, then dried and subjected to an absorption to be separated into a fraction... | 12/06/2011 |
| 8058490 | Process for the manufacture of 1,2-dichloroethane Process for the manufacture of 1,2-dichloroethane (DCE) starting from a stream of ethane which is subjected to a catalytic oxydehydrogenation (ODH) thus producing a gas mixture containing ethylene which is then dried and conveyed to a chlorination reactor supplied w... | 11/15/2011 |
| 7960595 | 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 said mixture of produc... | 06/14/2011 |
| 7732649 | Process for the manufacturing 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 said mixture of produc... | 06/08/2010 |
| 7667084 | 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 a first cracking step, namely a pyrolysis step performed in a cracking oven, thus producing a mixture of cracking produ... | 02/23/2010 |
| 7361794 | Zone reactor In a method of converting alkanes to their corresponding alcohols and ethers a vessel comprises a hollow, unsegregated interior defined first, second, and third zones. In a first embodiment of the invention oxygen reacts with metal bromide in the first zone to provi... | 04/22/2008 |
| 7348464 | Process for converting gaseous alkanes to liquid hydrocarbons A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over ... | 03/25/2008 |
| 7268266 | Process for converting gaseous alkanes to liquid hydrocarbons A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over ... | 09/11/2007 |
| 7230150 | Zone reactor In a method of converting alkanes to their corresponding alcohols, ethers, olefins, and other hydrocarbons, a vessel comprises a hollow, unsegregated interior defined first, second, and third zones. In a first embodiment of the invention oxygen reacts with metal hal... | 06/12/2007 |
| 7161050 | Method and apparatus for synthesizing olefins, alcohols, ethers, and aldehydes A reactant selected from the group consisting of alkanes, alkenes, alkynes, dienes, and aromatics is reacted with a halide selected from the group including chlorine, bromine, and iodine to form a first reaction product. The first reaction product is reacted with a ... | 01/09/2007 |
| 7148390 | Integrated process for synthesizing alcohols, ethers, aldehydes, and olefins from alkanes Alcohols, ethers, aldehydes, and olefins are manufactured from alkanes by mixing an alkane and a halogen selected from the group including chlorine, bromine, and iodine in a reactor to form alkyl halide and hydrogen halide. The alkyl halide only or the alkyl halide ... | 12/12/2006 |
| 7091387 | Process to convert alkanes into primary alcohols This invention provides a process to convert alkanes to primary alcohols of the same carbon number. Carbon numbers of particular interest are C8 to C18. The process comprises the steps of: a) halogenating a linear or branched (or mixture of lin... | 08/15/2006 |
| 7019182 | Method of hydrocarbon preservation and environmental protection Gas phase hydrocarbons resulting from the operation of offshore petroleum wells are converted into corresponding liquid products which are mixed with liquid phased hydrocarbons resulting from operation of the offshore petroleum well for delivery therewith. ... | 03/28/2006 |
| 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 |
| 6900363 | Method for the production of 1,2-dichloroethane A process for preparing 1,2-dichloroethane which comprises (A) feeding an ethane-containing feed gas stream into a dehydrogenation zone and dehydrogenating ethane to ethane to give a product gas stream comprising ethane, ethane and... | 05/31/2005 |
| 6452058 | Oxidative halogenation of C1 hydrocarbons to halogenated C1 hydrocarbons and integrated processes related thereto An oxidative halogenation process involving contacting a reactant hydrocarbon selected from methane, a halogenated C1 hydrocarbon, or a mixture thereof with a source of halogen and, preferably, a source of oxygen in the presence of a rare earth... | 09/17/2002 |
| 5175382 | Preparation of 1,2-Dichloroethane 1,2-Dichloroethane is prepared by reacting ethylene, hydrogen chloride and oxygen or an oxygen-containing gas in the presence of a copper-containing catalyst by a process in which first hydrogen chloride and oxygen or an oxygen-containing gas are reacted ... | 12/29/1992 |
| 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 |
| 4380682 | Balanced chlorination process The present invention relates to a novel process of halogenating aliphatic hydrocarbons which comprises, first non-selectively oxyhalogenating a C2 -C6 aliphatic hydrocarbon to a partially halogenated intermediate product having an o... | 04/19/1983 |
| 4244892 | Process for preparing allyl chloride In accordance with the present invention, the process for preparing allyl chloride comprises chlorination of propylene with hydrogen chloride in an upward stream consisting of propylene, hydrogen chloride and a catalyst, i.e. manganese dioxide incorporate... | 01/13/1981 |
| 4243650 | Heat and volatized salt recovery from reaction effluent A reaction effluent containing vaporized salt withdrawn from a reaction zone, such as a molten salt reaction zone, is contacted with solid particles to cool the gas and condense vaporized salt onto the particles. Such contacting may be effected in either ... | 01/06/1981 |
| 4231969 | Production of hexachlorocyclopentadiene Hexachlorocyclopentadiene is produced by the use of a molten salt mixture of cuprous and cupric chloride, with the reaction effluent including the product, chlorine, hydrogen chloride, unreacted feed and organic byproduct, as well as entrained molten salt... | 11/04/1980 |
| 4172099 | Process for chlorination of ethylene Process for the chlorination of ethylene in which the excess heat of reaction from the chlorination is utilized for fractionation of the reaction product and another dichloroethane containing stream, and in which an impure, neutralized, and dried ethylene... | 10/23/1979 |
| 4169862 | Low temperature catalytic combustion of chlorohydrocarbons There is disclosed an improved method of making chlorinated derivatives of ethylene wherein chlorine-containing by-products are burned in a catalytic combustion reactor to produce primarily a hydrogen halide which is recycled to the chlorinated derivative... | 10/02/1979 |
| 4130595 | Melt oxychlorination process A melt oxychlorination process which produces trichloroethylene and perchloroethylene by chlorinating C2 hydrocarbons and their incompletely chlorinated derivatives containing at least 50% by weight of 1,1,2-trichloroethane, dichloroethylene, o... | 12/19/1978 |
| 4129604 | Reactor effluent quench system Process for recovering hydrogen chloride from an aqueous hydrogen chloride off-gas from an oxychlorination reaction wherein hydrogen chloride is separated from the off-gas as an aqueous solution of hydrogen chloride and employed as feed to an oxychlorinat... | 12/12/1978 |
| 4036897 | Production of hexachlorocyclopentadiene Hexachlorocyclopentadiene is produced by contacting pentane, pentene, cyclopentane or cyclopentene or chlorinated derivatives thereof with a molten salt mixture of cuprous and cupric chloride. Cyclopentadiene can also be employed as an initial feed, in wh... | 07/19/1977 |
| 3987119 | Production of vinyl chloride from ethane A process is disclosed for the production of ethylene dichloride from ethane. Ethane is introduced into an autothermic (self-sustaining) cracking zone together with controlled proportions of chlorine and oxygen. The autothermic cracking zone is maintained... | 10/19/1976 |
| 3965202 | Production of trichloro-ethylene from waste C2 chlorinated hydrocarbons All or a portion of chlorinated hydrocarbons convertible to trichloroethylene and/or perchloroethylene by chlorination, dehydrochlorination or dehydrogenation and optionally also dechloroination are recovered from a C2 chlorinated hydrocarbon w... | 06/22/1976 |
| 3939209 | Acetaldehyde production Acetaldehyde is produced from ethane by contacting ethane in the absence of added chlorine or hydrogen chloride with a molten mixture of the higher and lower valent form of a multivalent metal chloride and the oxychloride of the metal, such as a mixture o... | 02/17/1976 |
