Patents by Inventor David Jean

David Jean has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170100618
    Abstract: A treatment method for stabilizing at least a portion of at least one heavy metal contained in a sodic fly ash to reduce leachability, wherein the sodic fly ash is provided by a process whereby a sodium-based sorbent is injected in a combustion flue gas to remove pollutants therefrom. The treatment method comprises contacting the sodic fly ash with at least one water-soluble source of silicate and at least one additive comprising calcium and/or magnesium. The material obtained from the contacting step is preferably dried. The additive may be selected from the group consisting of lime kiln dust, fine limestone, quicklime, hydrated lime, dolomitic lime, dolomite, selectively calcined dolomite, hydrated dolomite, magnesium hydroxide, magnesium carbonate, magnesium oxide, and any mixture thereof. A particularly preferred additive comprises lime kiln dust and/or dolomitic lime. The heavy metal to be stabilized in the sodic fly ash may comprise selenium and/or arsenic.
    Type: Application
    Filed: June 3, 2015
    Publication date: April 13, 2017
    Inventors: Rasik H. RAYTHATHA, David Jean Lucien SAVARY
  • Publication number: 20170070865
    Abstract: The embodiments of present invention relates to a signal transmission method and an apparatus. The signal transmission method includes: performing, by a base station, rate matching of a unicast signal according to a multicast/broadcast single frequency network MBSFN reference signal MBSFN RS; and sending, by the base station, the unicast signal to user equipment UE. By means of the signal transmission method and the apparatus, resource usage can be increased, and continuity and effectiveness of performing broadcast multicast related measurement by UE are ensured.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: David Jean-Marie MAZZARESE, Jingyuan SUN
  • Patent number: 9580397
    Abstract: A process for preparing a divinylarene dioxide including the steps of: (a) feeding one or more feed streams of the following reactants into a reactor system: (i) at least one divinylarene, (ii) at least one oxidizing agent, and (iii) at least one solvent to form a reaction mixture in the reactor system; (b) continuously reacting together the one or more feed streams of the reactants of step (a) in the reaction mixture; and (c) controlling heat removal of the reaction mixture as the reactants of step (b) react together; wherein the heat removal is sufficient to provide a residence time of the reactants in the reaction mixture of less than about 180 minutes residence time of the reactants in the reaction step (b); and an apparatus for preparing a divinylarene dioxide.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: February 28, 2017
    Assignee: BLUE CUBE IP LLC
    Inventors: Kishori Deshpande, David Jean, Jianping Zeng, Ravindra S. Dixit, David H. West
  • Publication number: 20160368779
    Abstract: A method for preparing alkali metal bicarbonate particles by crystallization from an alkali metal carbonate and/or bicarbonate solution with an additive present in the solution, chosen from among sulfates, sulfonates, polysulfonates, amines, hydroysultaines, polycarboxylates, polysaccharides, polyethers and ether-phenols, alkali metal hexametaphosphate, phosphates, sulfosuccinates, amidosulfonates, amine sulfonates, preferably chosen from among polysaccharides, and such that the additive is present in the solution at a concentration of at least 1 ppm and preferably at most 200 ppm.
    Type: Application
    Filed: June 26, 2014
    Publication date: December 22, 2016
    Inventor: David Jean Lucien SAVARY
  • Publication number: 20160373227
    Abstract: The present invention provides a method includes: determining, by a base station, MBSFN subframe configuration signaling according to a configuration of a cell, where the MBSFN subframe configuration signaling includes CRS transmission configuration information used to indicate a region for transmitting a CRS in a time domain; sending, the MBSFN subframe configuration signaling to the user equipment; and transmitting a signal. Another method includes: determining configuration signaling according to a configuration of a cell, where the configuration signaling includes configuration information of the cell, transmitted by using a SIB 2 and used to indicate, to user equipment, configuration information of a subframe using an extended CP, or second configuration information of a CP length, used to indicate configuration information of a frequency band using an extended CP and/or a frequency band using a normal CP in at least one subframe; sending the configuration signaling to the user equipment.
    Type: Application
    Filed: September 2, 2016
    Publication date: December 22, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jingyuan SUN, Qiang Li, Yongxing Zhou, David jean-marie Mazzarese, Yan Cheng, Lei Guan
  • Publication number: 20160337952
    Abstract: Embodiments of the present invention disclose use equipment (UE), a base station, and a cell discovery method. The method includes: receiving, by the UE, auxiliary information, where the auxiliary information includes resource information of a second reference signal of a first neighboring cell; detecting, by the UE, a first reference signal of the first neighboring cell according to the auxiliary information to make the UE synchronize with the first neighboring cell; and detecting, by the UE according to the auxiliary information, the first reference signal of the first neighboring cell, or the second reference signal of the first neighboring cell, or the first reference signal and the second reference signal that are of the first neighboring cell, to acquire a cell identity ID or a virtual ID of the first neighboring cell.
    Type: Application
    Filed: July 26, 2016
    Publication date: November 17, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Qiang LI, Jinnan LIU, Jingyuan SUN, Lei GUAN, David jean-marie MAZZARESE
  • Publication number: 20160323071
    Abstract: Method comprises determining a first HARQ timing wherein an association determines which UL subframes in the TDD carrier that are defined for transmitting HARQ on an UL control channel for an associated set of DL subframes in the FDD carrier, determining a second HARQ timing, wherein an association determines which UL subframes that are defined for transmitting HARQ on an UL shared channel for an associated set of DL subframes in the FDD carrier, resulting in a first set of UL subframes for which the physical UL shared channel is enabled to comprise HARQ, and a second set of UL subframes is not comprising HARQ, and assigning UL channel resources for the HARQ feedback on the physical UL shared channel in said first set of UL subframes, according to said second DL HARQ timing, when there is no UL control channel assigned according to said first DL HARQ timing.
    Type: Application
    Filed: July 8, 2016
    Publication date: November 3, 2016
    Inventors: Fredrik BERGGREN, David Jean-Marie MAZZARESE, Yan Cheng
  • Publication number: 20160309398
    Abstract: Embodiments of the present disclosure provide a method, where the method includes: when determining that a first cell enters or prepares to enter a dormant state, sending, by a base station, a first signal to a user equipment (UE) in the first cell, where the first signal carries information about time when the first cell enters the dormant state, for determining, according to the information about the time, that the first cell enters the dormant state; and when determining that the first cell enters an active state from the dormant state, sending, by the base station, a second signal to the user equipment in the first cell, for determining, according to the second signal, that the first cell enters the active state. By using technical solutions provided in the present disclosure, the UE can discover a state change of a cell in time.
    Type: Application
    Filed: June 28, 2016
    Publication date: October 20, 2016
    Inventors: Lixia XUE, David Jean-Marie MAZZARESE, Lei GUAN
  • Publication number: 20160301502
    Abstract: The present invention discloses an information transmission method, user equipment, and a base station. The method includes: receiving indication information sent by a base station, where the indication information is used to indicate a first downlink subframe in which a cell-specific reference signal (CRS) is transmitted; determining the first downlink subframe according to the indication information; and performing information transmission according to the first downlink subframe. According to the information transmission method, the user equipment, and the base station of embodiments of the present invention, indication information is used to indicate a downlink subframe in which a cell-specific reference signal is transmitted.
    Type: Application
    Filed: June 17, 2016
    Publication date: October 13, 2016
    Inventors: Yan Cheng, Lixia Xue, David jean-marie Mazzarese, Fredrik Berggren, Brian Classon
  • Publication number: 20160249340
    Abstract: Embodiments of the present invention provide an uplink control information transmission method, a base station, and user equipment. The method includes: receiving, by UE in a downlink subframe N, a downlink control channel sent by a base station; sending, by the UE, a hybrid automatic repeat request-acknowledgement corresponding to the downlink control channel to the base station in an uplink subframe N+4 by using a PUCCH, where when the uplink subframe N+4 belongs to a first uplink subframe set, the PUCCH is carried on a second serving cell of the UE, and when the uplink subframe N+4 belongs to a second uplink subframe set, the PUCCH is carried on the first serving cell, where a duplexing mode of the first serving cell is different from a duplexing mode of the second serving cell.
    Type: Application
    Filed: April 29, 2016
    Publication date: August 25, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yan CHENG, David Jean-Marie MAZZARESE, Lixia XUE, Brian CLASSON
  • Publication number: 20160242083
    Abstract: Embodiments provide a method for radio resource management measurement. The method includes: determining, by a UE according to a detected first reference signal, a first resource on which the detected first reference signal is located; determining, by the UE, a reference signal received power RSRP of a target cell according to a received power of the detected first reference signal carried on the first resource; determining, by the UE, a second resource; determining, by the UE, a received signal strength indicator RSSI of the target cell according to a total received power on the second resource; and determining, by the UE, reference signal received quality RSRQ or a signal to interference plus noise ratio SINR of the target cell or both according to the RSRP and RSSI. The method is applied to radio resource management measurement.
    Type: Application
    Filed: April 27, 2016
    Publication date: August 18, 2016
    Inventors: Lei GUAN, Lixia XUE, David Jean-Marie MAZZARESE
  • Publication number: 20160211950
    Abstract: A control information transmission method a user equipment for operating the method and a base station for operating the method are disclosed. In an embodiment the method includes determining, by a user equipment, a downlink control information (DCI) format of a downlink control channel corresponding to a first serving cell, wherein the first serving cell is a serving cell corresponding to the user equipment, and the DCI format is determined by using a duplex mode of the first serving cell and a hybrid automatic repeat request-acknowledgment (HARQ-ACK) feedback corresponding to the first serving cell and detecting, by the user equipment, the downlink control channel according to the determined DCI format.
    Type: Application
    Filed: March 29, 2016
    Publication date: July 21, 2016
    Inventors: Yan Cheng, Bo Li, David Jean-Marie Mazzarese, Lixia Xue
  • Publication number: 20160205690
    Abstract: Embodiments provide methods and devices for data transmission and assignment of uplink control channel resources in an uplink FDD carrier, for enabling a recipient to provide HARQ feedback for data transmitted in the downlink using carrier aggregation of a downlink FDD carrier and at least one TDD carrier. A method includes associating each downlink subframe in the downlink FDD carrier with an uplink control channel subframe in the uplink FDD carrier, associating each downlink subframe and special subframe in the TDD carrier with an uplink control channel subframe in the uplink FDD carrier, assigning uplink control channel resources in the uplink FDD carrier to the recipient, according to the made associations, and transmitting data on said downlink FDD carrier and/or TDD carrier, to be received by the recipient.
    Type: Application
    Filed: March 24, 2016
    Publication date: July 14, 2016
    Inventors: Fredrik Berggren, Yan Cheng, Lixia Xue, David Jean-Marie Mazzarese
  • Publication number: 20160204906
    Abstract: The present invention provides a hybrid automatic repeat request acknowledgement transmission method, a user equipment, and a base station. The transmission method includes: receiving, by a user equipment, on a first serving cell and in a downlink subframe n?k, PDSCH transmission or a downlink control channel that indicates downlink SPS release, where a duplex mode of the first serving cell is FDD, or all subframes on the first serving cell are downlink subframes, or one radio frame on the first serving cell includes nine downlink subframes and one special subframe; and transmitting, in an uplink subframe n, an HARQ-ACK response corresponding to the first serving cell and the downlink subframe n?k; where n is an integer, k is a positive integer, k belongs to a set K, and the set K is determined according to first HARQ-ACK timing.
    Type: Application
    Filed: March 18, 2016
    Publication date: July 14, 2016
    Inventors: Yan Cheng, David Jean-Marie Mazzarese
  • Publication number: 20160157235
    Abstract: A carrier configuration method is disclosed. According to various embodiments, the method includes configuring a new carrier type NCT subframe and/or a backward compatible subframe on a first carrier, determining subframe configuration information of the first carrier according to the configuration of the NCT subframe and/or the configuration of the backward compatible subframe on the first carrier and sending the subframe configuration information of the first carrier to first user equipment (UE) by using dynamic signaling, where the subframe configuration information of the first carrier is used by the first UE to determine a subframe type of a subframe on the first carrier according to the subframe configuration information of the first carrier. The method further includes using, according to the subframe type of the subframe on the first carrier, the first carrier to perform communication.
    Type: Application
    Filed: February 8, 2016
    Publication date: June 2, 2016
    Inventors: Lixia Xue, Lei Guan, David Jean-Marie Mazzaese
  • Publication number: 20160157153
    Abstract: Notifying served user equipments (UEs) of the presence or absence of cell-specific reference signal (CRS) symbols transmitted by neighboring base stations in the physical downlink shared channel (PDSCH) region of a subframe can be achieved through various of signaling techniques. The served UE may be notified by communicating a one or multi-bit indicator in a physical layer signaling channel of the serving cell, such as the physical downlink control channel (PDCCH) of the subframe. Alternatively, the served UE may be notified through higher layer signaling.
    Type: Application
    Filed: February 2, 2016
    Publication date: June 2, 2016
    Inventors: David Jean-Marie Mazzarese, Qiang Li, Zheng Yu, Weimin Xiao, Brian Classon
  • Publication number: 20160145115
    Abstract: A method for preparing particles of alkali metal bicarbonate by crystallization from a solution of alkali metal carbonate and/or bicarbonate in the presence of an additive in the solution, selected from the sulfates, sulfonates, the polysulfonates, the amines, the hydroxysultaines, the polycarboxylates, the polysaccharides, the polyethers and the ether-phenols, alkali metal hexametaphosphate, the phosphates, the sulfosuccinates, the amidosulfonates, the aminosulfonates, preferably selected from the polycarboxylates having a mean molecular weight lower than 8000 g/mol, and such that the additive is present in the solution at a concentration of at least 1 ppm and preferably of at most 200 ppm.
    Type: Application
    Filed: June 26, 2014
    Publication date: May 26, 2016
    Inventor: David Jean Lucien SAVARY
  • Publication number: 20160143035
    Abstract: The present invention discloses a carrier switching method, a base station, and user equipment, where the method includes: determining, according to carrier switching capability information of user equipment UE, a carrier switching policy according to which the UE performs carrier switching; and sending carrier switching indication information to the UE, where the carrier switching indication information is used for indicating the carrier switching policy, so that the UE performs carrier switching according to the carrier switching policy. In the carrier switching method, the base station and the user equipment according to embodiments of the present invention, the UE having no carrier aggregation capability is enabled to dynamically perform switching between at least two carriers, so that quality of service of a service of the UE can be improved, user experience can be improved, and system performance can be improved.
    Type: Application
    Filed: December 27, 2015
    Publication date: May 19, 2016
    Inventors: Lixia Xue, Lei Guan, David jean-marie Mazzarese, Yongxing Zhou
  • Publication number: 20160130242
    Abstract: A process for preparing a divinylarene dioxide including the steps of: (a) feeding one or more feed streams of the following reactants into a reactor system: (i) at least one divinylarene, (ii) at least one oxidizing agent, and (iii) at least one solvent to form a reaction mixture in the reactor system; (b) continuously reacting together the one or more feed streams of the reactants of step (a) in the reaction mixture; and (c) controlling heat removal of the reaction mixture as the reactants of step (b) react together; wherein the heat removal is sufficient to provide a residence time of the reactants in the reaction mixture of less than about 180 minutes residence time of the reactants in the reaction step (b); and an apparatus for preparing a divinylarene dioxide.
    Type: Application
    Filed: June 3, 2014
    Publication date: May 12, 2016
    Inventors: Kishori Deshpande, David Jean, Jianping Zeng, Ravindra S. Dixit, David H. West
  • Publication number: 20160130153
    Abstract: A method for preparing particles of alkali metal bicarbonate by crystallization from a solution of alkali metal carbonate and/or bicarbonate in the presence of an additive in the solution, selected from the sulfates, sulfonates, the polysulfonates, the mines, the hydroxysultaines, the polycarboxylates, the polysaccharides, the polyethers and the etherphenols, alkali metal hexametaphosphate, the phosphates such as the organophosphates or the phosphonates, the sulfosuccinates, the amido-sulfonates, the aminosulfonates, preferably selected from: the phosphates, the organophosphates or the phosphonates, and such that the additive is present in the solution at a concentration of at least 1 ppm and preferably of at most 200 ppm.
    Type: Application
    Filed: June 26, 2014
    Publication date: May 12, 2016
    Applicant: SOLVAY SA
    Inventor: David Jean Lucien SAVARY