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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7951985 | Production of aromatics from methane In a process for converting methane to aromatic hydrocarbons, a feed containing methane is contacted with a dehydrocyclization catalyst in a reaction zone under conditions effective to convert the methane to aromatic hydrocarbons. The reaction zone is contained with... | 05/31/2011 |
| 7893308 | Production of aromatics from methane In a process for converting methane to aromatic hydrocarbons, a feed containing methane is contacted with a dehydrocyclization catalyst in a reaction zone under conditions effective to convert the methane to aromatic hydrocarbons. The reaction zone is contained with... | 02/22/2011 |
| 7332139 | Process and device for carrying out reactions in reactor with slot-shaped reaction spaces Reactions between at least two fluid reactants are performed in a reactor comprising wall elements (1), slot-shaped reaction spaces (3) and cavities (5) for conducting a fluid heat-carrier through. Depending on the process and throughput, a modu... | 02/19/2008 |
| 7323147 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is r... | 01/29/2008 |
| 7294317 | Exothermic reaction system A reactor and heat exchanger assembly is provided with the heat exchanger integrally affixed to the reactor exit head and adapted to immediately cool reactor gases from the reactor. ... | 11/13/2007 |
| 7247764 | Conversion process The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock comprising an oxygenate in the presence of a molecular sieve catalys... | 07/24/2007 |
| 7238846 | Conversion process The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock comprising an oxygenate in the presence of a molecular sieve catalys... | 07/03/2007 |
| 7214843 | Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream... | 05/08/2007 |
| 7183450 | Olefin oligomerization This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C2 to C12 olefin to obtain an olefin feed stream and has from about 1,000 ppm to about 10 percent by weight oxygenated hydrocarbo... | 02/27/2007 |
| 7048833 | Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is r... | 05/23/2006 |
| 6962678 | Reactor for carrying out non-adiabatic reactions A reactor for carrying out endothermic catalytic reaction is provided. The reactor features a metallic ingot with at least one tubular reaction passage extending through the ingot. The reaction passage is adapted to hold a catalyst for endothermic conversion of a fe... | 11/08/2005 |
| 6475647 | Protective coating system for high temperature stainless steel A method for protecting high temperature stainless steel from coking and corrosion at elevated temperatures in corrosive environments, such as during ethylene production by pyrolysis of hydrocarbons or the reduction of oxide ores, by coating the stainless... | 11/05/2002 |
| 5770045 | Modified riser-reactor reforming process A catalytic reforming process uses a riser reactor with multiple catalyst injection points to obtain high aromatics yields from a naphtha feedstock. Product from the riser reactor typically is discharged into a fluidized-reforming reactor, in which the re... | 06/23/1998 |
| 5565090 | Modified riser-reactor reforming process A catalytic reforming process uses a riser reactor with multiple catalyst injection points to obtain high aromatics yields from a naphtha feedstock. Product from the riser reactor typically is discharged into a fluidized-reforming reactor, in which the re... | 10/15/1996 |
| 4973777 | Process for thermally converting methane into hydrocarbons with higher molecular weights, reactor for implementing the process and process for realizing the reactor A process for thermally converting methane e.g., at 1,000°-1,300° C. into hydrocarbons with higher molecular weights, especially ethylene comprises circulating a gas containing methane in ceramic channels (11) grouped in rows which cover at least a ... | 11/27/1990 |
| 4929798 | Pseudoadiabatic reactor for exothermal catalytic conversions A multitubular catalytic reactor for exothermal catalytic reactions comprises a bundle of parallel tubes all of the same length and a catalyst within the tubes. The tube bundle has an inlet side and an outlet side. Devices are provided for introducing sep... | 05/29/1990 |
| 4885421 | Multistage reactor system for production of fuels An integrated reactor system for conversion of methanol to ether-containing high octane gasoline and distillate. Methanol is converted to olefins in the presence of zeolite MTO catalyst. C4 and C5 olefin fraction is converted to MTBE... | 12/05/1989 |
| 4857667 | System for conversion of crude oxygenate to gasoline with feedstock extraction Apparatus for converting crude aqueous oxygenate feedstock, such methanol or the like, to liquid hydrocarbons in contact with a medium pore shape selective crystalline acid zeolite catalyst, such as HZSM-5. In a preferred embodiment, the novel technique c... | 08/15/1989 |
| 4788042 | System for conversion of methanol to gasoline A methanol-to-gasoline (MTG) catalytic conversion system in which the conversion is conducted in a fixed bed catalytic reactor. A C3 -C4 hydrocarbon diluent is generated from pressurized liquid effluent and recycled to the fixed bed ... | 11/29/1988 |
| 4788369 | Conversion of methanol to gasoline A methanol-to-gasoline (MTG type) conversion process in which the conversion is conducted in a fixed bed catalytic reactor. A C3 -C4 hydrocarbon diluent is generated from the effluent in a series of steps and recycled to the fixed be... | 11/29/1988 |
| 4672144 | Flame conversion of methane to more reactive hydrocarbons Methane is converted to higher, more reactive, hydrocarbon products by a diffusion flame. Methane is converted to C2 + products by pyrolysis in the interior of the flame with oxidizing gas flowing outside of the flame. More reactive products ar... | 06/09/1987 |
| 4672143 | Flame reactor for cracking hydrocarbons A diffusion flame reactor for cracking hydrocarbon gas has an oxygen-deficient zone in the center of the flame or in the center of an array of flames. Propane, n-octane, iso-octane and decalin are cracked to ethylene, acetylene, propylene, butenes, and bu... | 06/09/1987 |
| 4544788 | Control system for catalytic conversion of olefins to heavier hydrocarbons A control system is provided for an olefins upgrading plant wherein catalytic reactor effluent is separated to recover heavy, intermediate and light hydrocarbon streams. An improved liquid recycle system includes a level control technique for diverting a ... | 10/01/1985 |
| 4132743 | Reduction of metal surface-initiated cracking in dehydrogenation reactors Low yield thermal cracking of a hydrocarbon such as ethylbenzene caused by contact with active metal surfaces in a catalytic dehydrogenation reactor is reduced by coating the metal surfaces, particularly those in the feed inlet end, with a thin layer of a... | 01/02/1979 |
| 4026958 | Catalyst for dehydrogenation or dehydrocyclization of hydrocarbons A hydrocarbon such as cyclohexane is passed at a temperature of about 330°-575° C over a catalyst to effect dehydrogenation of the hydrocarbon, the catalyst being in the form of a membrane of an alloy of 90-98% palladium and 2-10% by weight of ruthenium... | 05/31/1977 |
| 3931345 | Hydrogenation and hydrodealkylation process Hydrogenation and hydrodealkylation catalysts of aromatic hydrocarbons comprising a palladium alloy with molybdenum, containing from 0.1 to 30 percent by weight of molybdenum. The catalyst can be manufactured in the form of powders, blacks, membranes, foi... | 01/06/1976 |
