FreshPatents.com: Chemistry of hydrocarbon compounds - USPTO Class 585 Patent Applications Update http://www.freshpatents.com/Chemistry-of-hydrocarbon-compounds-dtnewntc585.php USPTO Class 585 - Chemistry of hydrocarbon compounds en-us Mon, 14 May 2012 13:35:46 -0700 1000 Wednesday Thursday Friday Saturday Sunday FreshPatents.com 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif Heat integrated process for producing high quality pyrolysis oil from biomass http://www.freshpatents.com/-dt20120510ptan20120116135.php Mon, 14 May 2012 13:35:46 -0700 This invention discloses a heat integrated and energy saving process for producing high quality pyrolysis oil from biomass by utilizing a torrefaction pretreatment step for biomass pyrolysis processing wherein the pretreatment step improves the quality of the pyrolysis oil by reducing acidity. This invention further utilizes the gaseous product of... Methods for co-processing biorenewable feedstock and petroleum distillate feedstock http://www.freshpatents.com/-dt20120510ptan20120116134.php Mon, 14 May 2012 13:35:46 -0700 Methods for co-processing a biorenewable feedstock and a petroleum distillate feedstock are provided. The petroleum distillate feedstock containing sulfur is reacted with hydrogen gas in the presence of a hydrotreating catalyst thereby forming an effluent mixture comprising hydrogen sulfide. A combined feed comprising the effluent mixture, optionally a recycle liquid,... Device for distributing a polyphase mixture comprising a jet breaker tray with a separating element http://www.freshpatents.com/-dt20120510ptan20120116136.php Mon, 14 May 2012 13:35:46 -0700 The present invention concerns a device for distributing a polyphase mixture constituted by at least one gas phase and at least one liquid phase, said mixture being in downflow mode passing through at least one bed of solid particles, and said device comprising at least one tray (1) located above... Single loop multistage fuel production http://www.freshpatents.com/-dt20120510ptan20120116137.php Mon, 14 May 2012 13:35:46 -0700 Synthetic fuels are produced from synthesis gas in a four-stage reactor system with a single recycle loop providing the requisite thermal capacity to moderate the high heat release of the reactions and to provide the reactants and reaction environments for the efficient operation of the process. The first stage converts... Methods of preparing oil compositions for fuel refining http://www.freshpatents.com/-dt20120510ptan20120116138.php Mon, 14 May 2012 13:35:46 -0700 Disclosed herein are methods and systems for upgrading (for example, removing heteroatoms, metals, or metalloids) an oil composition derived or extracted from a biomass. The upgraded oil composition can be used to make a desired product, for example, a fuel product.... Multiple zeolite catalyst http://www.freshpatents.com/-dt20120510ptan20120116139.php Mon, 14 May 2012 13:35:46 -0700 The multiple zeolite catalyst is a catalytic composition used to convert C9+ alkylaromatic hydrocarbons to BTX, particularly commercially valuable xylenes. The catalyst is formed by mixing at least two zeolites selected from mordenite, beta zeolite, ZSM-5, ZSM-11, ZSM-12, ZSM-22, ZSM-23, MFI topology zeolite, NES topology zeolite, EU-1, MAPO-36, SAPO-5, SAPO-11,... Work-up of a 3-methyl-1-butene-containing mixture http://www.freshpatents.com/-dt20120510ptan20120116140.php Mon, 14 May 2012 13:35:46 -0700 The invention is a method for processing a mixture containing water, 3-methyl-1-butene and at least one other methylbutene. The method comprises primary distillation of the mixture, giving a gaseous primary overhead product containing methylbutene and water and a water-free primary bottom product containing 3-methyl-1-butene; condensation of the gaseous primary overhead... Oligomerisation of olefins with zeolite catalyst http://www.freshpatents.com/-dt20120510ptan20120116141.php Mon, 14 May 2012 13:35:46 -0700 The conversion and run length for oligomerisation of olefins over a molecular sieve catalyst in a tubular reactor is improved by controlling the peak temperature to not exceed 50 degrees C. above the temperature of the temperature control fluid exiting the shell side outlet of the reactor. A tubular reactor... Method and system for performing chemical proceses http://www.freshpatents.com/-dt20120510ptan20120116142.php Mon, 14 May 2012 13:35:46 -0700 The invention relates to a method for performing chemical processes, where raw materials are heated, wherein a melt pool is produced in a tank or reactor using low-melting metals or metal alloys, wherein the raw materials are metered directly into the melt pool in the lower part of the tank... Lower olefins producing catalyst and method for producing lower olefins using same http://www.freshpatents.com/-dt20120510ptan20120116143.php Mon, 14 May 2012 13:35:46 -0700 A lower olefin producing catalyst which has high olefin production efficiency and maintains its activity for a long period of time when lower olefins are produced from an oxygen-containing compound, which is a solid catalyst used in producing lower olefins from an oxygen-containing compound, includes a solid-state catalyst component containing... Feedback and feedforward closed loop purity and recovery control http://www.freshpatents.com/-dt20120510ptan20120116144.php Mon, 14 May 2012 13:35:46 -0700 There is provided a closed loop purity and recovery control system and process for operating a xylene purification system such as a Parex unit.... Method of producing a crude product http://www.freshpatents.com/-dt20120510ptan20120116145.php Mon, 14 May 2012 13:35:46 -0700 A method of producing a crude product from a hydrocarbon feed is provided. A hydrocarbon feed is contacted with a catalyst containing a Col. 6-10 metal or compound thereof to produce the crude product, where the catalyst has a pore size distribution with a median pore diameter ranging from 105...