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| Number | Title | Issue Date |
| 8129577 | Process and system for providing acetylene A system and a process for providing acetylene, preferably at a high purity level (e.g., comprising 100 parts per million (“ppm”), or 10 ppm, or 1 ppm, or 100 parts per billion (“ppb”), or 10 ppb, or 1 ppb or less of solvent), to a point of use, such as a se... | 03/06/2012 |
| 8119853 | Low pressure acetylene storage Methods and apparatus for the storage of acetylene include providing an acetylene storage device which has an interior volume. A carbonaceous adsorbent is disposed in the interior volume of the storage device, and acetylene is introduced into the storage device to b... | 02/21/2012 |
| 8003843 | Transport of ethyne in form of α-alkynols as ethyne precursors The present invention relates to a new method for a safe transport of ethyne in form of α-alkynols as precursors for ethyne. The new method comprises three steps. In a first step the synthesis of the α-alkynol(s) is performed by reacting ethyne with (a) carbonyl c... | 08/23/2011 |
| 8003844 | Methods of transporting heavy hydrocarbons A method of transporting heavy hydrocarbons can include blending a kerogen oil with a bitumen to form a blended oil sufficient to render the blended oil transportable through an extended pipeline. The blended oil can be substantially free of additional diluents or v... | 08/23/2011 |
| 7939704 | Process for preparing ethylbenzene using vapor phase alkylation and liquid phase transalkylation Disclosed are ethylbenzene processes in which a series-arranged or combined vapor phase alkylation/transalkylation reaction zone is retrofitted to have a vapor phase alkylation reactor and a liquid phase transalkylation reactor, and in which a parallel-arranged vapo... | 05/10/2011 |
| 7910787 | Method and system for methanol production An apparatus and method of producing methanol includes reacting a heated hydrocarbon-containing gas and an oxygen-containing gas in a reactor; to provide a product stream comprising methanol; and transferring heat from the product stream to the hydrocarbon-containin... | 03/22/2011 |
| 7361619 | Fischer-Tropsch catalyst production Dispersed Active Metal catalyst for hydrogenation reactions is produced by treating a substantially catalytically inactive metal particulate with a solution capable of oxidizing the metal particulate and comprising of at least one compound of a hydrogenation catalys... | 04/22/2008 |
| 7358410 | Processes for forming polypropylene from an oxygenate-contaminated monomer feedstock The present invention provides various processes for producing polypropylene from an oxygenate-contaminated propylene-containing feedstock, preferably derived from an oxygenate to olefin reaction system. In one embodiment, the process includes providing a propylene-... | 04/15/2008 |
| 7261810 | Method and system for transporting flows of fluid hydrocarbons containing wax, asphaltenes, and/or other precipitating solids A method and a system for transporting a flow of fluid hydrocarbons containing wax and/or asphaltenes or any other precipitating solids through a treatment and transportation system including a pipeline are disclosed. The flow of fluid hydrocarbons is introduced int... | 08/28/2007 |
| 7230035 | Catalysts for the conversion of methane to synthesis gas The present invention relates to improved catalyst compositions, as well as methods of making and using such compositions to prepare synthesis gas and ultimately C5+ hydrocarbons. In particular, preferred embodiments of the present invention comprise cata... | 06/12/2007 |
| 7135152 | Conjoined reactor system A gas-agitated multiphase reactor system with multiple reaction zones comprising gas-liquid or gas-liquid-solid mixtures that can maximize the production rate while allowing better control of the temperature distribution and better control of the liquid and solid ph... | 11/14/2006 |
| 7087804 | Use of waste nitrogen from air separation units for blanketing cargo and ballast tanks The present invention relates to the use of a primarily nitrogen containing blanketing agent from the air separation unit of a Gas To Liquids, Heavy Hydrocarbon Conversion, or Methanol Synthesis Facility on transport vessels. The primarily nitrogen containing blanke... | 08/08/2006 |
| 7074971 | Recovery of ethylene and propylene from a methanol to olefin reaction system The present invention provides new highly-efficient separation processes and systems for separating polymerization-grade ethylene and propylene from an initial effluent stream comprising ethane, ethylene, propylene, dimethyl ether, and one or more of propane, acetyl... | 07/11/2006 |
| 7011809 | Attrition resistant gamma-alumina catalyst support A γ-alumina catalyst support having improved attrition resistance produced by a method comprising the steps of treating a particulate γ-alumina material with an acidic aqueous solution comprising water and nitric acid and then, prior to adding any catalytic materi... | 03/14/2006 |
| 6994104 | Modular system for storing gas cylinders The methods and apparatus for transporting compressed gas includes a gas storage system having a plurality of pipes connected by a manifold whereby the gas storage system is designed to operate in the range of the optimum compressibility factor for a given compositi... | 02/07/2006 |
| 6956136 | Method of producing cumene hydroperoxide The specification provides a method of producing cumene hydroperoxide by continuous aqueous-emulsion oxidation at a high temperature and pressure in a cascade of reactors, wherein the process is conducted in the presence of a mixture of an aqueous solution of an amm... | 10/18/2005 |
| 6914082 | Slurry bubble reactor operated in well-mixed gas flow regime A gas-agitated multiphase reactor system for the synthesis of hydrocarbons gives high catalyst productivity and reactor capacity. The system includes operating a multi-phase reactor in the well-mixed gas flow regime, with a Peclet number less than 0.175 and a single... | 07/05/2005 |
| 6797846 | Fibrous crystal aggregates, preparation method thereof and use thereof A crystal substance formed by precipitating as fibrous aggregates by making a metal aliphatic carboxylate dissolve completely in pure water, stirring, and gradually cooling the resulting solution. A method of preparing the fibrous crystal aggregates. A material for ... | 09/28/2004 |
| 6774276 | Method and system for transporting a flow of fluid hydrocarbons containing water A method of transporting a flow of fluid hydrocarbons containing water through a treatment and transportation system including a pipeline, wherein the flow of fluid hydrocarbons is introduced into a reactor where it is mixed with particles of gas hydrates which are ... | 08/10/2004 |
| 6717024 | Slurry hydrocarbon synthesis with liquid hydroisomerization in the synthesis reactor A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbon liquid, which comprises the slurry liquid, in one or more lift reactors immersed in... | 04/06/2004 |
| 6649803 | Slurry hydrocarbon synthesis with isomerization zone in external lift reactor loop A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbons in one or more external lift reactor hydroisomerizing loops outside of ... | 11/18/2003 |
| 6635681 | Method of fuel production from fischer-tropsch process A process is disclosed for preparing a finished fuel product from a stabilized product mixture, which is produced from the effluent of a Fischer-Tropsch synthesis process. In the process, a Fischer-Tropsch synthesis process is conducted at a site which is... | 10/21/2003 |
| 6582591 | Process for the transportation of naphtha in a crude oil pipeline This process for the transportation of a batch of naphtha in a pipeline, the prime purpose of which is to transport crude oil, is characterized in that the batch of naphtha, bracketed by batches of condensates, namely a head batch of condensate and a tail... | 06/24/2003 |
| 6570047 | Slurry hydrocarbon synthesis with external hydroisomerization in downcomer reactor loop A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas, in a hydrocarbon synthesis reactor, also hydroisomerizes the synthesized hydrocarbons in one or more external downcomer reactor hydroisomerizin... | 05/27/2003 |
| 6570045 | Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, ... | 05/27/2003 |
| 6541524 | Method for transporting Fischer-Tropsch products Facilities to convert natural gas into syncrude often are located at remote sites. At these sites and in their surrounding communities there exists demand for salable products: gasoline, distillate fuels, solvents, lubricants, etc. While it would be possi... | 04/01/2003 |
| 6518321 | Method for transporting Fischer-Tropsch products A transportable Fischer-Tropsch syncrude product and a method for manufacturing and (transporting and/or receiving) the product is disclosed. The product has a true vapor pressure of less than about 15 psia, preferably less than 11 psia, when measured at ... | 02/11/2003 |
| 6444852 | Amines useful in inhibiting gas hydrate formation A novel amine is provided with improved water dispersibility which is useful to modify the formation of hydrates in streams containing low-boiling hydrocarbons and water. The amine-has the formula: (RA --O--BT --Q)s --N+ | 09/03/2002 |
| 6417415 | Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, ... | 07/09/2002 |
| 6355159 | Dissolution and stabilization of thermally converted bitumen A heavy hydrocarbon is rendered pipelineable by hydroconverting the heavy hydrocarbon under conditions sufficient to obtain a product oil of lowered viscosity and an API gravity suitable for pipelining and thereafter adding a diluent modified hydrocarbon ... | 03/12/2002 |
| 6294076 | Fischer-Tropsch wax and hydrocarbon mixtures for transport (law938) The invention is a process for producing a mixture of Fischer-Tropsch product that is solid at ambient conditions (between 32° F. and 95° F.), such as wax, and hydrocarbon liquid, such as naphtha, that can be pumped at ambient temperature (between 32° ... | 09/25/2001 |
| 6217626 | High pressure storage and transport of natural gas containing added C2 or C3, or ammonia, hydrogen fluoride or carbon monoxide For storage of natural gas at pressures over 1,000 psia, it is advantageous to add to natural gas an additive which is a C2 or C3 hydrocarbon compound, or a mixture of such hydrocarbon compounds. Above a lower limit (which varies wit... | 04/17/2001 |
| 6201163 | Pipeline transmission method At pressures over 1,000 psia, it is advantageous to add to natural gas an additive which is a C2 or C3 hydrocarbon compound or a mixture of such compounds. Above a lower limit (which varies with the additive being added and the press... | 03/13/2001 |
| 6156896 | Fluorous reaction and separation systems The present invention provides several methods of synthesis and separation in which organic/fluorous phase separation techniques are used to effect separations. The present invention also provides novel compositions of matter comprising fluorous Si, Sn an... | 12/05/2000 |
| 6063972 | Hydrate inhibition A method of inhibiting or retarding formation of hydrates from water and a lower alkane, such as methane or ethane, involves adding additives which comprise (i) a corrosion inhibitor and (ii) a salt which is of formula [R1 (R2)XR | 05/16/2000 |
| 5955643 | Composition and method for inhibiting polymerization during the anaerobic of styrene Polymerization is inhibited during the anaeroic production of styrene through the addition of a combination of a stable nitroxide free radical compound and a non-toxic phenylenediamine compound.... | 09/21/1999 |
| 5879561 | Method for inhibiting the plugging of conduits by gas hydrates A method for inhibiting the plugging of a conduit, the conduit containing a flowing mixture comprising an amount of hydrocarbons having from one to eight carbon atoms and an amount of water wherein the amounts of hydrocarbons and water could form hydrates... | 03/09/1999 |
| 5866751 | Energy recovery and transport system A safe, environmentally sound method for transporting energy-containing hydrocarbons from a remote natural gas source of hydrocarbons to a local site for further processing or refining. The natural gas is converted at the remote site, using a modified Fis... | 02/02/1999 |
| 5733984 | Process for the preparation of a deuterated compound A process for the preparation of a deuterated compound, which requires neither many steps nor an expensive reagent, and is considerably economical and can be widely used for general-purposes because raw materials which can be used therein are not particul... | 03/31/1998 |
| 5728913 | Moisture based method of improving the performance of hydrocarbon fuels A method of treating hydrocarbon fuels with a base metal catalyst is provided for improving the performance of hydrocarbon fuels used internal and external combustion engines The catalyst is a base metal alloy catalyst including tin antimony, lead and mer... | 03/17/1998 |
