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| Number | Title | Issue Date |
| 7372274 | Methods and devices configured for dissolving hyperpolarised solid material with a solvent within a cryostat for NMR analyses The present invention relates to devices and method for dissolving solid polarised material while retaining a high level of polarisation. In an embodiment of the present invention a material is polarised in a strong magnetic field in a cryostat 2 and then bro... | 05/13/2008 |
| 7357917 | Diagnostic procedures using Xe spectroscopy characterstic chemical shift to detect pathology in vivo An in vivo non-invasive method for detecting and/or diagnosing a pathological condition using hyperpolarized 129Xe spectroscopy is disclosed. Generally stated, the method includes determining the magnitude of spectral peaks which represent particular chem... | 04/15/2008 |
| 7325415 | Process and device for production of LNG by removal of freezable solids Novel processes and devices for the removal of freezable species such as carbon dioxide, water and heavy hydrocarbons from a natural gas feed stream during liquefaction to produce LNG are disclosed. The freezable species are able to be removed as a solid, avoiding t... | 02/05/2008 |
| 7314502 | Method and system for separating a component from a multi-component gas A method and apparatus for separating a component from a multi-component feed gas stream has a flow conduit (14) having a semi-permeable section (15) that permeates the component to be separated from feed gas stream (12). A sweep gas is provided... | 01/01/2008 |
| 7302812 | Process for production of isotopes A process for producing an isotopically enriched compound of a desired isotope includes (a) providing a cryogenic reaction zone containing a catalyst adapted to catalyze an isotope exchange reaction at a cryogenic reaction temperature, (b) feeding to the cryogenic r... | 12/04/2007 |
| 7287391 | Automated modular hyperpolarizers and related devices and methods Modular expandable hyperpolarizers include a central control module and at least one optical pumping module that can be expandable to a plurality of optical pumping modules that can be separately operated depending on the capacity demands at the production site (hos... | 10/30/2007 |
| 7287390 | Optical pumping modules, polarized gas blending and dispensing systems, and automated polarized gas distribution systems and related devices and methods Hyperpolarizers for producing polarized noble gases can include: (a) a control module configured to direct the operation of a hyperpolarizer to produce polarized noble gas via spin-exchange interactions between a noble gas and an alkali metal; (b) at least one optic... | 10/30/2007 |
| 7281393 | Method and apparatus for accumulating hyperpolarized xenon A method and apparatus for the accumulation of hyperpolarized 129Xe is described. A gas mixture comprising 129Xe is flowed through a heat exchanger tube from the first end to the second end. Concurrently, the outer surface of the heat exchanger... | 10/16/2007 |
| 7261766 | Supersonic fluid separation enhanced by spray injection The separation of liquid and/or solid components from a multiphase fluid stream passing through a supersonic fluid separator is enhanced by injecting a surface active agent into the fluid stream passing through the separator. Preferably the spray is injected via an ... | 08/28/2007 |
| 7152431 | Removing contaminants from natural gas A process for removing contaminants from a natural gas feed stream including water and sour species is provided, which process comprises the steps of cooling the natural gas feed stream in a first vessel (12) to a first operating temperature at which hydrates... | 12/26/2006 |
| 7137274 | System for liquefying or freezing xenon Apparatus for producing liquid or solid xenon comprises a duct 12 having an inlet 14 for receiving gaseous xenon and an outlet 16 for outputting gaseous xenon at a reduced temperature to a nozzle located in a vacuum chamber 60. A housing ... | 11/21/2006 |
| 7127934 | Methods, systems, circuits, and computer program products for determining polarization of a gas A system for determining polarization of a gas comprises a container that contains the polarized gas. An oscillator circuit comprises an NMR coil that is positioned adjacent to the container. A pulse generator circuit is configured to generate an electrical pulse th... | 10/31/2006 |
| 7102354 | Methods and devices for hyperpolarising and melting NMR samples in a cryostat The present invention relates to devices and method for melting solid polarised sample while retaining a high level of polarisation. In an embodiment of the present invention a sample is polarised in a sample-retaining cup 9 in a strong magnetic field in a po... | 09/05/2006 |
| 7073348 | Method and system for extracting carbon dioxide by anti-sublimation for storage thereof A method and system for extracting and storing carbon dioxide from fumes derived from the combustion of hydrocarbons in an apparatus designed in particular for the production of mechanical energy comprises: exchangers (11, 25) and a dehydrator (56), fo... | 07/11/2006 |
| 7066319 | Hyperpolarized gas transport and storage devices and associated transport and storage methods using permanent magnets A transport unit includes a plurality of permanent magnets arranged to provide a magnetic holding field for protecting hyperpolarized gas during storage and/or transport. The permanent magnets are configured in a relatively light weight manner to project a substanti... | 06/27/2006 |
| 7048777 | Method and apparatus for removing waxy materials from a gas stream The invention uses both heating and cooling zones to prevent the precipitation of solids onto equipment surfaces until they are efficiently removed from the gas phase via one or more heat exchangers. Each heat exchanger may be regenerated to melt off the solids when... | 05/23/2006 |
| 7040119 | Method and device for liquefying hydrogen Described is a process and a device for liquefying hydrogen, whereby the hydrogen to be liquefied is liquefied against one or more refrigerant (mixture) circuits and/or by means of expansion and is guided over at least one ortho-para conversion catalyst. Acco... | 05/09/2006 |
| 7013673 | Hydrate-based desalination/purification using permeable support member Processes and apparatus are disclosed for separating and purifying aqueous solutions such as seawater by causing a substantially impermeable mat of gas hydrate to form on a porous restraint. Once the mat of gas hydrate has formed on the porous restraint, the portion... | 03/21/2006 |
| 7000427 | Process for cooling a product in a heat exchanger employing microchannels This invention relates to a process for cooling or liquefying a fluid product (e.g., natural gas) in a heat exchanger, the process comprising: flowing a fluid refrigerant through a set of refrigerant microchannels in the heat exchanger; and flowing the product throu... | 02/21/2006 |
| 6962061 | Apparatus for the liquefaction of natural gas and methods relating to same An apparatus and method for producing liquefied natural gas. A liquefaction plant may be coupled to a source of unpurified natural gas, such as a natural gas pipeline at a pressure letdown station. A portion of the gas is drawn off and split into a process stream an... | 11/08/2005 |
| 6949169 | Apparatus and method for polarizing polarizable nuclear species The present invention is a polarizing process involving a number of steps. The first step requires moving a flowing mixture of gas, the gas at least containing a polarizable nuclear species and vapor of at least one alkali metal, with a transport velocity that is no... | 09/27/2005 |
| 6942467 | UHV compatible lead through, device and procedure for highly effective production of nuclear spin polarized 3He at high polarization There is provided an ultra high vacuum (UHV) compatible lead-through comprises (a) a housing, (b) a first space, within the housing, connected via a first port to a space outside the UHV-compatible lead through, (c) a second space, within the housing, connected via ... | 09/13/2005 |
| 6907740 | Gas charging system for fill of gas storage and dispensing vessels An apparatus and method for charging a gas storage and dispensing vessel with gas to a predetermined pressure level, e.g., a gas to be employed in a semiconductor manufacturing operation such as a hydride, halide or organometallic reagent gas. In the gas charging, a... | 06/21/2005 |
| 6735977 | Magnetic holding field for cryogenically accumulated polarized 129Xenon An apparatus and a method for providing a magnetic holding field about a chamber for accumulating frozen 129Xe. The apparatus includes a magnetic field source and a yoke for supporting the magnetic field source about the chamber. The magnetic field source... | 05/18/2004 |
| 6666047 | High pressure polarizer for hyperpolarizing the nuclear spin of noble gases The invention relates to a polarizer for noble gases comprising a glass sample cell and a pressure chanter in which the sample cell is located. High pressure and accompanying broadband or narrow-band lasers can be similarly provided in an optimal manner. ... | 12/23/2003 |
| 6637240 | Nitrogen generation process A process for producing a nitrogen-enriched vapor product from a supply of a nitrogen-rich liquid uses a purifying device and a distillation column having a distillation zone. The process includes the steps of: feeding at least a portion of the supply of ... | 10/28/2003 |
| 6513345 | Nozzle for supersonic gas flow and an inertia separator A nozzle of converging-diverging shape for creating mist flow at supersonic velocity comprising: a throat having a characteristic diameter D*; an inlet having a characteristic diameter D1, positioned a distance L1 upstream of the nozzle throat; and an out... | 02/04/2003 |
| 6490883 | Process and apparatus for removal of volatile compounds from process gases Volatile compounds ("VCs"), especially volatile organic compounds ("VOCs"), are cryogenically removed from a process gas stream (pW) by cooling the gas stream in a condenser to condense the VC to form both liquid VC and VC ice and providing a t... | 12/10/2002 |
| 6487877 | Nitrogen generation process A process for producing a nitrogen-enriched vapor product from a supply of a nitrogen-rich liquid uses a purifying device and a distillation column having a distillation zone. The process includes the steps of: feeding at least a portion of the supply of ... | 12/03/2002 |
| 6484532 | NMR polarization monitoring coils, hyperpolarizers with same, and methods for determining the polarization level of accumulated hyperpolarized noble gases during production Hyperpolarizers which produce hyperpolarized noble gases include one or more on-board NMR monitoring coils configured to monitor the polarization level of the hyperpolarized gas at various production points in the polarized gas production cycle. A dual sy... | 11/26/2002 |
| 6486666 | Method and apparatus for measuring the degree of polarization of polarized gas The invention relates to a method for determining the degree of polarization (P) of a nuclear spin polarized gas, in particular 3 He, 129 Xe, in which the nuclear spin polarized gas is placed in a container, comprising determining th... | 11/26/2002 |
| 6430960 | NMR polarization monitoring coils, hyperpolarizers with same, and methods for determining the polarization level of accumulated hyperpolarized noble gases during production Hyperpolarizers which produce hyperpolarized noble gases include one or more on-board NMR monitoring coils configured to monitor the polarization level of the hyperpolarized gas at various production points in the polarized gas production cycle. A dual sy... | 08/13/2002 |
| 6374635 | PFC gas recovery process and apparatus The present invention aims to provide a process and an apparatus for recovering a PFC gas, which can readily bring cooling traps to a cryogenic temperature with a low-capacity refrigerator and can recover a high-purity PFC gas by applying deep freeze sepa... | 04/23/2002 |
| 6318092 | Alkali metal hybrid spin-exchange optical pumping Methods of hyperpolarizing a noble gas by spin-exchange optical pumping use an alkali metal hybrid comprising a primary alkali metal and an auxiliary alkali metal to effectuate spin transfer interaction among the primary alkali metal, the auxiliary alkali... | 11/20/2001 |
| 6305190 | Polarized gas accumulators and heating jackets and associated gas collection methods and thaw methods and polarized gas products Methods of collecting, thawing, and extending the useful polarized life of frozen polarized gases include heating a portion of the flow path and/or directly liquefying the frozen gas during thawing. A polarized noble gas product with an extended polarized... | 10/23/2001 |
| 6301928 | Method for improving the performance of a cryogenic heat exchanger under frosting conditions The present invention provides a method for preventing the decrease of the efficiency of heat transfer, caused by frost formation, in a precooler of an air breathing engine. In the precooler, the heat exchanger tube is provided. Into the heat exchanger tu... | 10/16/2001 |
| 6295834 | NMR polarization monitoring coils, hyperpolarizers with same, and methods for determining the polarization level of accumulated hyperpolarized noble gases during production Hyperpolarizers which produce hyperpolarized noble gases include one or more on-board NMR monitoring coils configured to monitor the polarization level of the hyperpolarized gas at various production points in the polarized gas production cycle. A dual sy... | 10/02/2001 |
| 6276169 | Apparatus and method for analysis of impurities in liquid carbon dioxide Liquid CO2 is expanded in specially designed primary and secondary nozzles to produce frozen solid CO2. The impurities initially contained in the liquid CO2 are trapped inside of the frozen CO2, which is collect... | 08/21/2001 |
| 6158242 | Gas dehydration method and apparatus The present invention relates to an apparatus and a method for efficiently and cost-effectively removing moisture from pressurized gas stream to any required low level. The invention adopts an irregular matrix of finned pipes to remove the moisture as liq... | 12/12/2000 |
| 6134913 | Method and apparatus for compression of a polarized gas The invention comprises a new and unique 3He gas polarization process. In dition, it provides for an improved diaphragm pump configuration. This arrangement allows the 3He gas and 3He-4He gas mixture to be polarized and compressed to a pressure in the ran... | 10/24/2000 |
