Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7306652 | Siloxane removal process Biogas released from landfills and sewage treatment plants is freed of siloxane contaminants by passing the biogas through a bed containing activated alumina, which absorbs the siloxanes. When the activated alumina becomes saturated with siloxanes, the absorption ca... | 12/11/2007 |
| 7285154 | Xenon recovery system A first aspect of a process of recovering xenon from feed gas includes: providing an adsorption vessel containing adsorbent having a Xe/N2 selectivity ratio 50% and... | 10/23/2007 |
| 7250074 | Process for separating nitrogen from methane using microchannel process technology The disclosed invention relates to a process for separating methane or nitrogen from a fluid mixture comprising methane and nitrogen, the process comprising: (A) flowing the fluid mixture into a microchannel separator, the microchannel separator comprising a plurali... | 07/31/2007 |
| 7235124 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 06/26/2007 |
| 7189291 | Method for the removal of airborne molecular contaminants using oxygen gas mixtures The present invention discloses a method for the removal of a number of molecular contaminants from surfaces within a device. A purge gas containing oxygen and/or water is introduced into the interior of the device, contacting at least a portion of the interior surf... | 03/13/2007 |
| 7179324 | Continuous feed three-bed pressure swing adsorption system A three-bed pressure swing adsorption system providing a constant continuous supply gas, preferably containing a hydrogen component, in a multi-step and preferably in a twelve-step, process cycle that can produce a purified gas product, preferably hydrogen, on a con... | 02/20/2007 |
| 7153344 | Process for the preparation and recovery of carbon dioxide from waste gas or fumes produced by combustible oxidation A process for the separation and recovery of carbon dioxide from waste gases produced by combustible oxidation is described comprising the steps of feeding a flow of waste gas to a gas semipermeable material, separating a gaseous flow comprising high concentrated ca... | 12/26/2006 |
| 7148392 | Separation of 1-butene from Cfeed streams In a process for selectively separating 1-butene from a C4 feed stream comprising at least 1-butene, cis-2-butene and trans-2-butene, the feed stream is passed through a first bed of an adsorbent comprising a crystalline microporous material to form a sub... | 12/12/2006 |
| 7144445 | Use of an adsorbent in solid foam form for the purification or separation of gases Process for purifying or separating a gas or gas mixture using a monolithic adsorbent for the separation or purification of gases or gas mixtures, having a cellular structure with open porosity in the form of a solid foam permeable to the gas molecules. The gas phas... | 12/05/2006 |
| 7101414 | Rotary bed sorption system including at least one recycled isolation loop, and methods of designing and operating such a system A method of reducing the sorbate concentration of a process fluid stream using a sorption bed system includes the following steps. A mass of a sorbent material is rotated so that, in a cycle of operation, a given volume of the sorbent mass sequentially passes throug... | 09/05/2006 |
| 7101415 | Methods for regenerating process gas purifier materials A continuous method of producing a process fluid gas from a feed stream that includes the process fluid and impurities. The method includes: (a) providing a first and second vessel, each vessel containing one or more regenerable purifier materials for removing at le... | 09/05/2006 |
| 7052532 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 05/30/2006 |
| 6974496 | Apparatus for thermal swing adsorption and thermally-enhanced pressure swing adsorption The present invention provides compact adsorption systems that are capable of rapid temperature swings and rapid cycling. Novel methods of thermal swing adsorption and thermally-enhanced pressure swing adsorption are also described. In some aspects of the invention,... | 12/13/2005 |
| 6942719 | Methods and systems for pressure swing regeneration for hydrogen generation Methods and systems for pressure swing absorption for hydrogen generation are presented. In one embodiment, a method includes absorbing at least one oxide of carbon with a pressure swing absorber from a steam reformation of methane. The steam reformation may occur a... | 09/13/2005 |
| 6929683 | Method and apparatus for pressure swing adsorption A pressure swing adsorption system including a pressure vessel having an opening and a valve manifold including a body having a first cavity fluidly connected to the opening. The body further includes a passage and a channel, such that the passage connects the chann... | 08/16/2005 |
| 6913654 | Method for the removal of airborne molecular contaminants using water gas mixtures The present invention discloses a method for the removal of a number of molecular contaminants from surfaces within a device. A purge gas containing oxygen and/or water is introduced into the interior of the device, contacting at least a portion of the interior surf... | 07/05/2005 |
| 6902602 | Gas separation by combined pressure swing and displacement purge The present disclosure relates to systems and processes for adsorptive gas separations where a first gas mixture including components A and B is to be separated so that a first product of the separation is enriched in component A, while component B is mixed with a t... | 06/07/2005 |
| 6869463 | Method for rapid activation or preconditioning of porous gas purification substrates A method is described for rapid and economical activation and/or preconditioning of gas purification substrates by providing forced convection of the preconditioning or activating gas through the pores of the substrate. The gas is pumped into the substrate-containin... | 03/22/2005 |
| 6858065 | High recovery PSA cycles and apparatus with reduced complexity A pressure swing adsorption process including the step of separating a gas mixture by absorbing a gas component in adsorbent beds provided within vessels, where the separating step has at least a two-stage pressure equalization and is performed with no more than fiv... | 02/22/2005 |
| 6755895 | Method and apparatus for pressure swing adsorption A pressure swing adsorption system including a pressure vessel having an opening and a valve manifold including a body having a first cavity fluidly connected to the opening. The body further includes a passage and a channel, such that the passage connects the chann... | 06/29/2004 |
| 6699307 | High recovery PSA cycles and apparatus with reduced complexity A pressure swing adsorption process including the step of separating a gas mixture by absorbing a gas component in adsorbent beds provided within vessels, where the separating step has at least a two-stage pressure equalization and is performed with no mo... | 03/02/2004 |
| 6652627 | Process for separating a fluid component from a fluid mixture using microchannel process technology This invention relates to a process for separating a fluid component from a fluid mixture comprising the fluid component, the process comprising: (A) flowing the fluid mixture into a microchannel separator; the microchannel separator comprising a pluralit... | 11/25/2003 |
| 6638341 | Method for rapid activation or preconditioning of porous gas purification substrates A method is described for rapid and economical activation and/or preconditioning of gas purification substrates by providing forced convection of the preconditioning or activating gas through the pores of the substrate. The gas is pumped into the substrat... | 10/28/2003 |
| 6530974 | Method for the separation of molecules in the gas phase by adsorption by means of agglomerated solid inorganic adsorbents with a narrow and calibrated mesopore distribution The present invention relates to a novel family of inorganic solids with a narrow and calibrated mesopore distribution which are agglomerated with a binder; these solids can advantageously be used as adsorbents for the industrial separation of gas-phase c... | 03/11/2003 |
| 6461410 | Method and apparatus for separating, removing, and recovering gas components A raw gas containing a gas component A with low affinity with an adsorbent and a gas component C with high affinity with the adsorbent are sequentially supplied to at least three adsorption columns, while a desorption gas containing a gas component D whic... | 10/08/2002 |
| 6425937 | Process for purifying air by adsorption over a barium-exchanged zeolite A process for purifying a gas stream containing at least one impurity chosen from the group formed by propane, nitrogen protoxide and ethylene, in which process: (a) the gas stream to be purified is brought into contact with at least one adsorbent includi... | 07/30/2002 |
| 6402814 | Process for the treatment of a gas by temperature swing adsorption The regeneration phase of the adsorption cycle includes a depressurization step, a heating/elution step, during which the bed is purged with a hot heating/elution gas, and a cooling/elution step, during which the bed is purged with a cold cooling/elution ... | 06/11/2002 |
| 6332916 | Activated carbon filter and process for the separation of noxious gases Activated carbon filters containing transition metals, are prepared by (a) exchanging the transition metal with a cellulose ion exchange material to produce a cellulose material containing the transition metal; (b) charring of the product of (a); activati... | 12/25/2001 |
| 6322612 | PSA process for removal of bulk carbon dioxide from a wet high-temperature gas A pressure or vacuum swing adsorption process and apparatus are used for the separation and recovery of certain gaseous components, such as carbon dioxide from hot gas mixtures containing water vapor. The process comprises introducing the feed gas mixture... | 11/27/2001 |
| 6280503 | Carbon dioxide adsorbents containing magnesium oxide suitable for use at high temperatures Adsorption of carbon dioxide from gas streams at temperatures in the range of 300 to 500° C. is carried out with a solid adsorbent containing magnesium oxide, preferably promoted with an alkali metal carbonate or bicarbonate so that the atomic ratio of a... | 08/28/2001 |
| 6083298 | Process for fabricating a sorbent-based gas storage and dispensing system, utilizing sorbent material pretreatment A process for fabricating a gas storage and dispensing system including a dispenser container for holding a physical sorbent material having sorptive affinity for (i) a sorbable dispensing gas to be held in and subsequently selectively discharged from the... | 07/04/2000 |
| 6059858 | High temperature adsorption process Oxygen is removed from gas streams by subjecting the gas stream to a pressure swing adsorption process carried out at temperature in the range of 300 to 1400° C. using as adsorbent a perovskite material having the structural formula A1-x M | 05/09/2000 |
| 6051052 | Process for the separation of gaseous mixtures by adsorption with pressure variation A separation process, involving an adsorber containing at least one adsorbent with an inlet and outflow, involves the following stages of the cycle:--stage I, repressurization from the low pressure of the cycle;--stages II and III during one of which the ... | 04/18/2000 |
| 5980608 | Throughflow gas storage and dispensing system An apparatus for storage and dispensing of a gas, comprising a gas storage and dispensing vessel holding a physical sorbent medium and gas adsorbed on the physical sorbent medium, wherein a carrier gas, e.g., helium, hydrogen, argon, etc., is flowed throu... | 11/09/1999 |
| 5951741 | Hydrocarbon vapor recovery processes and apparatus An improved process and apparatus are provided for recovering hydrocarbons from an intermittent or continuous inlet air-hydrocarbon vapor mixture. The air-hydrocarbon vapor mixture is caused to flow through a bed of solid adsorbent whereby hydrocarbons ar... | 09/14/1999 |
| 5938819 | Bulk separation of carbon dioxide from methane using natural clinoptilolite Bulk separation of carbon dioxide from methane is accomplished using a modified pressure swing adsorption system where the adsorbent used is a naturally occurring sodium-rich clinoptilolite. Most of the carbon dioxide can be removed at low operating press... | 08/17/1999 |
| 5917136 | Carbon dioxide pressure swing adsorption process using modified alumina adsorbents A pressure swing adsorption process for absorbing CO2 from a gaseous mixture containing CO2 comprising introducing the gaseous mixture at a first pressure into a reactor containing a modified alumina adsorbent maintained at a tempera... | 06/29/1999 |
| 5888271 | Ozone storing method and ozone storage system An ozone storage system which allows energy required for producing and storing ozone to be reduced and which supplies ozone as stored to an ozone consumer stably in continuation. The system includes an ozone generator (1) for generating an ozonized oxygen... | 03/30/1999 |
| 5837027 | Manufacturing process for gas source and dispensing systems A fill system and methodology for the manufacture of fluid storage and dispensing vessels containing sorbent material for holding a sorbable fluid, for on-demand dispensing of the fluid in the use of the vessel. The fill system and methodology are directe... | 11/17/1998 |
| 5785738 | Process and plant for treatment of a gas mixture including ozone A process for treatment of a secondary gas including ozone, comprising the steps of: a) adding an adjacent gas including CO2 to the secondary gas to form a mixture of secondary gas and adjacent gas; b) passing the mixture of secondary gas and of adj... | 07/28/1998 |
