| Patent application number | Description | Published |
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| 20080223755 | Process for hydroconversion of heavy hydrocarbon feeds in a slurry reactor in the presence of a heteropolyanion-based catalyst - The invention concerns a process for slurry phase hydroconversion of liquid sulphur-containing heavy hydrocarbon feeds, in the presence of hydrogen and in the presence of a solid catalyst, said catalyst being obtained from an aqueous solution formed from at least one cobalt and/or nickel salt of at least one heteropolyanion combining molybdenum and cobalt or molybdenum and nickel in its structure. The aqueous solution is introduced into a hydrocarbon oil containing asphaltenes and/or resins to form an emulsion and said emulsion is then injected upstream or directly into the slurry reactor. | 09-18-2008 |
| 20090166260 | IRREGULARLY SHAPED NON-SPHERICAL SUPPORTED CATALYST, AND A PROCESS FOR HYDROCONVERTING HEAVY OIL FRACTIONS - The present invention concerns a catalyst for hydrotreating and/or hydroconverting heavy metal-containing hydrocarbon feeds, said catalyst comprising a support in the form of mainly irregular and non-spherical alumina-based agglomerates the specific shape of which results from a crushing step, and containing at least one catalytic metal or a compound of a catalytic metal from group VIB and/or group VIII (groups 8, 9 and 10 of the new periodic table notation), optionally at least one doping element selected from the group constituted by phosphorus, boron and silicon (or silica which does not form part of that which may be contained in the selected support) and halogens, said catalyst essentially being constituted by a plurality of juxtaposed agglomerates each formed by a plurality of acicular platelets, the platelets of each agglomerate generally being oriented radially with respect to each other and with respect to the centre of the agglomerate. The specific shape of the catalyst improves its performance when using it for hydroconverting/hydrotreating heavy metal-containing hydrocarbon feeds. | 07-02-2009 |
| 20090176894 | PROCESS OF FISCHER-TROPSCH SYNTHESIS BY CONTROL OF THE PARTIAL PRESSURE OF WATER IN THE REACTION ZONE - The subject of the invention is a process for the synthesis of hydrocarbons based on a synthesis gas type feedstock in which said synthesis gas is brought into contact with a catalyst in a reactor under Fischer-Tropsch synthesis conditions and in which the partial pressure of water is controlled in order to keep it below a critical value ppH | 07-09-2009 |
| 20120245023 | IRREGULARLY SHAPED NON-SPHERICAL SUPPORTED CATALYST, AND A PROCESS FOR HYDROCONVERSION HEAVY OIL FRACTIONS - A catalyst for hydrotreating and/or hydroconverting heavy metal-containing hydrocarbon feeds, comprises a support in the form of mainly irregular and non-spherical alumina-based agglomerates the specific shape. The catalyst is prepared by a specific order of steps: crushing, calcining, acidic autoclaving, drying, further calcining and impregnation with catalytic metals. | 09-27-2012 |
| 20140231310 | PROCESS FOR HYDRODESULPHURATION OF GASOIL CUTS USING A CATALYST BASED ON HETEROPOLYANIONS TRAPPED IN A MESOSTRUCTURED SILICA SUPPORT - The invention relates to a process of hydrodesulphuration of at least one gasoil cut implementing a catalyst containing, in its oxide form, at least one metal from group VIB and/or at least one metal from group VIII of the periodic table, present in the form of at least one polyoxometalate of the formula (H | 08-21-2014 |
| 20140326641 | METHOD OF PREPARING A CATALYST USABLE IN HYDROCONVERSION COMPRISING AT LEAST ONE ZEOLITE NU-86 - The invention relates to a method of preparing a catalyst comprising a) preparation of a support comprising 0.2 to 30 wt % of zeolite NU-86 and from 70 to 99.8 wt % of a porous mineral matrix, the percentages by weight being expressed relative to the total weight of said support, b) impregnation of the support prepared according to step a) with at least one solution containing at least one precursor of at least one metal selected from group VIII metals and group VIB metals, used alone or as a mixture, c) at least one ripening step, and d) at least one drying step carried out at a temperature below 150° C., without a subsequent calcining step. The present invention also relates to a process for hydrocracking hydrocarbon feeds using the catalyst prepared according to the method of preparation according to the invention. | 11-06-2014 |
| 20150144529 | VACUUM DISTILLATE HYDROTREATMENT PROCESS EMPLOYING A CONCATENATION OF CATALYSTS - A process for the hydrotreatment of a vacuum distillate type hydrocarbon feed containing nitrogen-containing compounds is described, comprising a first step in which the feed is brought into contact with a catalyst in its oxide form, then a second step in which the feed is brought into contact with a dried catalyst comprising at least one organic compound containing oxygen and/or nitrogen. | 05-28-2015 |
| 20150144533 | PROCESS FOR THE HYDROTREATMENT OF DIESEL EMPLOYING A CONCATENATION OF CATALYSTS - A process for the hydrotreatment of a diesel type hydrocarbon feed containing nitrogen-containing compounds is described, comprising a first step in which the feed is brought into contact with a catalyst in its oxide form, then a second step in which the feed is brought into contact with a dried catalyst comprising at least one organic compound containing oxygen and/or nitrogen. | 05-28-2015 |
| 20150231615 | CATALYST COMPRISING AT LEAST ONE ZEOLITE NU-86, AT LEAST ONE ZEOLITE USY AND A POROUS MINERAL MATRIX AND PROCESS FOR HYDROCONVERSION OF HYDROCARBON FEEDS USING SAID CATALYST - The invention relates to a catalyst comprising at least one metal selected from the group formed by metals of group VIB and of group VIII of the periodic table, used alone or as a mixture, and a support comprising at least one zeolite NU-86, at least one zeolite Y and at least one porous mineral matrix containing at least aluminium and/or at least silicon. The invention also relates to a process for hydrocracking of hydrocarbon feeds employing said catalyst. | 08-20-2015 |
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| 20110176714 | METHOD TO DETERMINE A BACKGROUND PHASE IN PHASE IMAGE DATA SETS - In a method to determine a background phase in phase values of a phase image data set that is acquired from an examination subject, wherein the background phase is determined in a partial region of the phase image data set, the phase image data set of the examination subject is acquired, and a substantially closed, planar contour is established in the phase image data set around the partial region, the planar contour having a contour area with a width of at least one pixel of the phase image data set. The phase values in the partial region are determined with the assumption that the spatial curve of the background phase is a harmonic or quasi-harmonic function, the phase values of the pixels in the partial region being determined based on the phase values in the planar contour. | 07-21-2011 |
| 20120016271 | METHOD AND GEL COMPOSITION TO PREVENT REFLECTION OF HIFU AT TISSUE-AIR INTERFACE - In order to reduce reflection and heating of a high intensity focused ultrasound (HIFU) beam following a region of interest in tissue to which an HIFU beam was administered, at least two layers of aquasonic gel are applied at a tissue/air interface following the region of interest and the focus in a direction of propagation of the HIFU beam. A first of the two aquasonic gel layers is a foamed aquasonic gel layer, and a second of the two layers is substantially bubble-free aquasonic gel. The layer of foamed aquasonic gel is placed directly adjacent the tissue/air interface, and the layer of substantially bubble-free aquasonic gel is placed over the layer of foamed aquasonic gel, at a side thereof facing away from the tissue/air interface. | 01-19-2012 |
| 20120041306 | CONTRAST AGENT ADMINISTRATION METHOD AND SYSTEM TO MAINTAIN CONTRAST AGENT AT A LOCALIZED SITE OF DELIVERY - In a method and system for administering a dispersible medical agent to a subject, a volume of medical agent is delivered in vivo to a subject in a substantially non-dispersed state, at a localized site in tissue of the subject. Contemporaneously with administration of the medical agent to the localized site, energy from an energy source is introduced into only adjacent tissue surrounding the localized site. The energy produces a cellular modification of the adjacent tissue that makes the adjacent tissue substantially impermeable to passage of the medical agent therethrough, so the medical agent is encapsulated and is prevented from dispersing into tissue outside of the encapsulation. | 02-16-2012 |
| 20120108976 | RF SHIELD FOR AN ULTRASOUND TRANSDUCER FOR USE IN A MAGNETIC RESONANCE SYSTEM - An ultrasound transducer for use in a magnetic resonance system is provided with an RF shield formed of electrically conductive material and having an interior cavity configured to receive the ultrasound transducer therein. The RF shield substantially precludes coupling between the ultrasound transducer, and any coupling medium that is employed, and the transmission and reception coils of the magnetic resonance system. | 05-03-2012 |
| 20130041249 | METHOD FOR TEMPERATURE CONTROL IN MAGNETIC RESONANCE-GUIDED VOLUMETRIC ULTRASOUND THERAPY - In a method for temperature control in MR-guided administration of ultrasound, ultrasound therapy is administered to a patient at an in vivo site by emitting focused ultrasound into the site at multiple foci with a multi-focus ultrasound therapy device. The temperature is monitored in a localized region of an examination subject in which the site is located firing said therapy in real-time by MR thermometry. From the MR thermometry, characteristics of the temperature distribution in the monitored region of the examination subject are automatically identified. Temperature control is implemented by regulating the energy output of the ultrasound therapy device, according to a rapidly converging master equation. | 02-14-2013 |
| 20130131494 | METHOD AND SYSTEM FOR GUIDED SHIELDING OF A PATIENT VOLUME FROM ULTRASOUND ENERGY - In order to decrease collateral heating of ribs and tissue surrounding the ribs in a patient during high-intensity focused ultrasound (HIFU) therapy, shielding material may be positioned on or adjacent to an external surface of the patient and aligned with ribs to be protected using a magnetic resonance imaging (MRI) system. The MRI system may be used to image the shielding material and the ribs to be protected, and an error of alignment between the ribs to be protected and the shielding material may be determined based on the images. The shielding or masking material may be repositioned based on the determined error of alignment, images of the shielding material and the ribs to be protected may be reacquired, and the error of alignment may be redetermined based on the reacquired images until the shielding material is aligned with the ribs to be protected. | 05-23-2013 |
| 20130190603 | METHOD FOR ULTRASOUND FOCAL SPOT SHAPING - The focus of a focused ultrasound system is calibrated with respect to a frame-of-reference, such as that of a magnetic resonance system, by selectively activating only specific regions of the ultrasound transducer of the ultrasound system, thereby altering the shape of the focus. The focal shape is selectively modified in shape and positioned in successive steps of a calibration procedure, while moving the focus through successive localizers of the frame-of-reference. The parameters for operating the ultrasound system when the calibration procedure is completed are stored as parameters that accurately position the focus of the ultrasound system with respect to the frame-of-reference. | 07-25-2013 |
| 20130274590 | METHOD AND APPARATUS FOR GENERATING A SIGNAL INDICATIVE OF MOTION OF A SUBJECT IN A MAGNETIC RESONANCE APPARATUS - In a method and magnetic resonance (MR) apparatus for implementing an MR-guided procedure, an MR-compatible digital camera is placed in the patient receiving opening of the MR data acquisition unit that is operated to acquire MR data for reconstructing images that are used to guide the MR-guided intervention. The digital camera is operated to obtain digital images of the exterior of the patient, from which motion of the patient is detectable. The images are analyzed in a processor to identify therefrom the motion of the patient and the result of the analysis is represented as a processor output that is used to control the timing, with respect to the motion of the examination subject, of the occurrence of at least one event in the MR-guided procedure. One important application is respiratory gating/triggering of HIFU sonication for the treatment of moving organs. | 10-17-2013 |
| 20140266189 | RF SHIELD FOR USE IN A MAGNETIC RESONANCE SYSTEM - An RF active device, immersed in liquid medium, for use in a magnetic resonance system is provided with an RF shield formed of electrically conductive material and having an interior cavity configured to receive the RF active device therein. The RF shield substantially precludes coupling between the active device, and any coupling medium that is employed, and the transmission and reception coils of the magnetic resonance system. | 09-18-2014 |
