Patent application number | Description | Published |
20090143546 | Double Loop Technology - A method for controlling the injection of catalyst slurry in a polymerization reactor is described herein. The method includes the preparation of polyethylene with a solid catalyst and a hydrocarbon diluents. The method includes providing solid catalyst and a hydrocarbon diluent in one or more storage vessels such that a catalyst slurry is obtained in said vessel, transferring said catalyst slurry from said storage vessel to a mixing vessel wherein said catalyst slurry is diluted for obtaining a suitable concentration for use in a polymerization reaction, pumping said diluted catalyst slurry at a controlled flow rate from said mixing vessel to said polymerization reactor through one or more conduits, by means of a membrane pump provided in each of said conduits, and the membrane pump is controllable as a function of reactant concentration within the polymerization reactor. | 06-04-2009 |
20100144982 | Polyolefin Production Using High Olefin Concentration - Methods for polymerization of an olefin monomer and polymers formed therefrom are described herein. The methods generally include introducing an olefin monomer and a diluent carrier liquid into a polymerization reactor, supplying at least one polymerization catalyst system to said polymerization reactor circulating said diluent liquid in said olefin monomer within said reactor while polymerizing said olefin monomer in the presence of said catalyst system to produce a slurry of polymer fluff particle in said diluent carrier liquid, recovering polymer particles from said polymerization reactor, initiating a localized pressure drop in said reactor to produce a pressure wave in which the pressure varies with time, measuring said pressure wave and characterizing said pressure wave as either a hydraulic pressure curve or a non-hydraulic pressure curve which is characteristic of a gas being present in said slurry and in response to the characteristic of said pressure curve as being a non-hydraulic pressure curve reducing the olefin monomer concentration in said reactor. | 06-10-2010 |
20130345374 | Double Loop Technology - A method for the copolymerization of ethylene and a C | 12-26-2013 |
20140299208 | Double Loop Technology - The present invention relates to an apparatus and process for polymerizing olefins. One embodiment comprises polymerizing at least one monomer in a first loop reactor in the presence of a catalyst to produce a first polyolefin fraction. A portion of the first polyolefin fraction is transferred to a second loop reactor, connected in series with the first loop reactor. The process further comprises polymerizing in the second loop reactor at least one monomer in the presence of a catalyst to produce a second polyolefin fraction in addition to the first polyolefin fraction. The combination of the first and second polyolefin fractions can produce a polymer resin fluff having bimodal molecular weight distribution. | 10-09-2014 |
20150175720 | Double Loop Technology - The present invention relates to an apparatus and process for polymerizing olefins. One embodiment comprises polymerizing at least one monomer in a first loop reactor in the presence of a catalyst to produce a first polyolefin fraction. A portion of the first polyolefin fraction is transferred to a second loop reactor, connected in series with the first loop reactor. The process further comprises polymerizing in the second loop reactor at least one monomer in the presence of a catalyst to produce a second polyolefin fraction in addition to the first polyolefin fraction. The combination of the first and second polyolefin fractions can produce a polymer resin fluff having bimodal molecular weight distribution. | 06-25-2015 |
Patent application number | Description | Published |
20090049220 | INTERRUPT-RELATED CIRCUITS, SYSTEMS, AND PROCESSES - An electronic interrupt circuit includes an interrupt-related input line ( | 02-19-2009 |
20090157936 | INTERRUPT MORPHING AND CONFIGURATION, CIRCUITS, SYSTEMS, AND PROCESSES - An electronic configuration circuit includes a processing circuit ( | 06-18-2009 |
20100122008 | INTERRUPT MORPHING AND CONFIGURATION, CIRCUITS, SYSTEMS, AND PROCESSES - An electronic configuration circuit includes a processing circuit ( | 05-13-2010 |
20110145459 | ELECTRONIC POWER MANAGEMENT SYSTEM - An electronic power management system comprising plural processors operable in different security and context-related modes and having respective supply voltage inputs and clock inputs, said processors having at least one interrupt input and at least one wait for interrupt output. The system further comprises a power control circuit operable to configurably adjust supply voltages and clock rates for said supply voltage inputs and clock inputs. The system further comprises a wait for interrupt expansion circuit responsive to the at least one wait for interrupt output to provide an interrupt signal, at least one of said processors operable to configure said power control circuit in response to the interrupt signal. | 06-16-2011 |
20110145460 | PROCESSING SYSTEM OPERABLE IN VARIOUS EXECUTION ENVIRONMENTS - A processing system operable in various execution environments. The system comprises plural processor cores having respective interrupt inputs, respective wait for interrupt outputs, and respective security outputs. The system also comprises a register coupled to at least one of the processor cores for identifying active execution environments. The system also comprises a global interrupt handler operable to selectively route interrupts to one or more of the interrupt inputs of said plural processor cores. The system also comprises a conversion circuit having plural interrupt-related output lines, and said conversion circuit fed with at least some of said respective wait for interrupt outputs and respective security outputs and fed by said register. | 06-16-2011 |
20110173363 | PROCESSOR SYSTEM WITH AN APPLICATION AND A MAINTENANCE FUNCTION - A processor system with an application and a maintenance function that would interfere with the application if concurrently executed. The processor system comprises a set of processor cores operable in different security and context-related modes, said processors having at least one interrupt input and at least one wait for interrupt output. The processor system also comprises a wait for interrupt expansion circuit responsive to the at least one wait for interrupt output to provide an interrupt signal, at least one of said processor cores operable in response to the interrupt signal to schedule a maintenance function separated in time from execution of the application. | 07-14-2011 |
Patent application number | Description | Published |
20090177826 | SYSTEM AND METHOD FOR PREEMPTIVE MASKING AND UNMASKING OF NON-SECURE PROCESSOR INTERRUPTS - The present disclosure describes systems and methods for preemptive masking and unmasking of non-secure processor interrupts. At least some embodiments provide a system that includes a processor capable of operating in a non-secure mode, and preemption logic coupled to the processor (the preemption logic capable of asserting an interrupt signal to the processor). If the processor is operating in the non-secure mode, the preemption logic preemptively inhibits a non-secure assertion of the interrupt signal in response to a mask event. If the processor is operating in the non-secure mode, the preemption logic preemptively enables the non-secure assertion of the interrupt signal in response to an unmask event. | 07-09-2009 |
20110072183 | INITIATOR AND TARGET FIREWALLS - A system comprising a first logic adapted to use qualifiers received from a component to determine which of a plurality of storages matches the qualifiers, the first logic generates a first signal indicative of a storage matching the qualifiers. The system also comprises a second logic coupled to the first logic and adapted to use a target address received from the component to determine which of the plurality of storages matches the target address, the second logic generates a second signal indicative of a storage matching the target address. Another logic is adapted to determine whether the storage associated with the first signal matches the storage associated with the second signal. The qualifiers indicate security mode attributes associated with the component. | 03-24-2011 |
20120147937 | METHODS, APPARATUS, AND SYSTEMS FOR SECURE DEMAND PAGING AND OTHER PAGING OPERATIONS FOR PROCESSOR DEVICES - A secure demand paging (SDP) system includes a dynamic random access memory (DRAM), a microprocessor having a secure internal memory and coupled to said DRAM, and a non-volatile memory storing a representation of operations accessible by the microprocessor. The stored representation of operations includes a coded physical representation of operations to configure an SDP space in the DRAM, to organize the SDP space into virtual machine contexts, to organize at least one of the virtual machine contexts into block book keeping blocks and book keeping spaces in the block book keeping blocks, and to execute a secure demand paging process between said secure internal memory and said DRAM. | 06-14-2012 |
20150113642 | METHOD AND SYSTEM FOR PREVENTING UNAUTHORIZED PROCESSOR MODE SWITCHES - A system comprising a processor adapted to activate multiple security levels for the system and a monitoring device coupled to the processor and employing security rules pertaining to the multiple security levels. The monitoring device restricts usage of the system if the processor activates the security levels in a sequence contrary to the security rules. | 04-23-2015 |
Patent application number | Description | Published |
20100264331 | METHOD FOR ASSAYING NUCLEIC ACIDS BY FLUORESCENCE - The invention relates to a method for determining the amount of nucleic acid present in a sample, wherein:—a fluorophore is added to the sample,—fluorescence intensities emitted by the fluorophore at least two emission wavelengths in response to light stimulations at least two excitation wavelengths respectively are measured, and—the amount of nucleic acid present in the sample is deduced from the measured fluorescence intensities. | 10-21-2010 |
20140371082 | PROCESS AND APPARATUS FOR QUANTIFYING NUCLEIC ACID IN A SAMPLE - In one aspect, the present invention concerns methods and kits for quantifying a target nucleic acid in a sample. In embodiments, a method comprises sequestrating the target nucleic acid by one or more interactors to form a sequestered conjugate that will be further labeled to form a labeled conjugate. The signal produced by the labeled conjugate is measured and correlated to the amount of the target nucleic acid. In another aspect, the present invention concerns a method for quantifying a target nucleic acid in a sample by a reaction of the nucleic acids in the sample with a nucleic acid interactor or set of interactors to form a conjugate. The conjugate is then sequestered from the rest of the sample with a molecule bound to a support, to form a sequestered conjugate. The sequestered conjugate is labeled to form a labeled conjugate. The signal produced by the labeled conjugate is measured and correlated to the amount of the target nucleic acid. In some embodiments, the target nucleic acid is cell free nucleic acids. In embodiments, the interactor binds to nucleic acids in the sample in a nonsequence specific manner. | 12-18-2014 |
20150252413 | METHOD FOR NORMALIZATION OF QUANTITATIVE PCR AND MICROARRAYS - The present invention concerns a method for comparing, in at least two samples A | 09-10-2015 |
20150307593 | METHODS FOR DIAGNOSING AND/OR TREATING STERILITY - The present invention concerns a polypeptide comprising the N-terminal fragment of a cystatin, and/or a cystatin expression inducer for use for the treatment of sterility and/or infertility, and a method of diagnosing and/or predicting sterility and/or infertility of a subject and/or of a couple of subjects, which method comprises measuring the level of at least one cystatin in a biological sample of a male subject and/or measuring the level of at least one cystatin in a biological sample of a female subject, and optionally measuring further the level of at least one cathepsin in a biological sample of said male of female subject. | 10-29-2015 |