Van Egmond
Cor Franciscus Van Egmond, Pasadena, TX US
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20100133146 | Coil for pyrolysis heater and method of cracking - Randomly packing with filler material at least part of a pass in a coil used in a system for pyrolyzing hydrocarbon feedstock to lighter hydrocarbons. Randomly packing increases heat transfer and decreases the rate of coke build-up within the coil, yielding an improvement in overall system efficiency. Packing material can comprise or be treated with a suitable catalyst for increasing the rate of chemical decomposition, thus further improving system efficiency. | 06-03-2010 |
Cornelis F. Van Egmond, Pasadena, TX US
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20080242908 | Recycle Of DME In An Oxygenate-To-Olefin Reaction System - This invention is directed to a process for producing one or more olefins from an oxygenate feed. According to the invention, an oxygenate stream is provided and a recycle stream is added to the oxygenate stream to form a feed stream to an oxygenate-to-olefin conversion system. The recycle stream comprises (i.e., contains) propane and dimethyl ether. | 10-02-2008 |
20110144397 | METHOD FOR CONTAMINANTS REMOVAL IN THE OLEFIN PRODUCTION PROCESS - The present invention provides a method and reactor system for hydrogenating acetylenes present in the olefin stream derived from the following streams, alone or in combination: petroleum catalytic cracking process and/or oxygenate-to-olefin reactor, such as methanol-to-olefin (MTO) reactor, in an olefin production plant before the distillation steps, wherein the acetylene hydrogenation occurs before or just after the acid gas removal step. | 06-16-2011 |
20110168604 | METHOD FOR CO-HYDROGENATING LIGHT AND HEAVY HYDROCARBONS - A system and method are disclosed that allow a user to combine raw light hydrocarbons (e.g., C | 07-14-2011 |
20120253092 | METHOD AND SYSTEM FOR REMOVAL OF FOULANT PRECURSORS FROM A RECYCLE STREAM OF AN OLEFINS CONVERSION PROCESS - A post fractionation process for removing heavy hydrocarbons from the C | 10-04-2012 |
Cornelius F.h. Van Egmond, Canyon Lake, TX US
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20100038294 | CENTRIFUGAL SEPARATION APPARATUS - A centrifugal separating apparatus having a vessel with a chamber assembly disposed therein that is rotated by a rotatable main shaft driven by a motor at a predetermined speed for separating water and oil from a stream of fluid. The rotatable chamber assembly defines an upper chamber for receiving the stream of fluid from an inlet tube and a lower chamber for collecting water separated from the stream of fluid. The upper chamber is in fluid flow communication with a plurality of U-tube assemblies with each assembly having a pair of upper oil separation tubes and a single lower water separation tube that extends outwardly in a radial direction from the chamber assembly at the near end of each U-tube assembly. The free end of each U-tube assembly is engaged and communicates with one of a plurality of tubular return sections that collectively define an outer tube that allows for the separation of the oil and water from the stream of fluid during rotation of the main shaft by the centrifugal separating apparatus. A strain retaining plate is engaged to the chamber assembly and the outer tube for providing structural support such that centripetal forces applied by rotation of the main shaft does not apply excess stress to the U-tube assemblies. The motor is in operative association with a microprocessor controller that terminates operation of the apparatus when vibrations generated by the operation of the apparatus exceeds a predetermined value. | 02-18-2010 |
Froukje Anke Van Egmond, Eindhoven NL
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20110179054 | INITIALISING OF A SYSTEM FOR AUTOMATICALLY SELECTING CONTENT BASED ON A USER'S PHYSIOLOGICAL RESPONSE - A method of enabling the selection of an item of content data based on an expected physiological response of a user, each item of content data being associated with at least one recording of a perceptible content element, includes storing a first set ( | 07-21-2011 |
Henri Joseph Van Egmond, Ede NL
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20100159672 | METHOD AND DEVICE FOR CLEANING ELECTRONIC COMPONENTS PROCESSED WITH A LASER BEAM - The present invention relates to a method for processing with a laser beam and cleaning electronic components, wherein at least one new boundary surface is formed on an electronic component with the laser beam. The invention also relates to a device for processing and cleaning electronic components, comprising at least: a laser source for generating a laser beam, and at least one carrier for supporting an assembly of unseparated electronic components, wherein the carrier and the laser beam are displaceable relative to each other. | 06-24-2010 |
Jan Van Egmond, Fillin NL
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20100104370 | Inner Pipe Fixation Device - The present invention relates to a fixation device for fixation of a position of an inner pipe of a double-walled pipe with respect to a pipe laying structure and/or an outer pipe of said double-walled pipe, said fixation device comprising: an inner pipe gripping device ( | 04-29-2010 |
Jan W. Van Egmond, Charleston, WV US
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20100167058 | Antifoulant for Impact Copolymers and Method - A process for producing a heterophasic copolymer is provided. The process includes introducing an antifoulant to a second polymerization reactor which operates in series with a first polymerization reactor. The antifoulant may be a multicomponent antifoulant and/or a coating agent. Provision of either antifoulant enables the production of a heterophasic copolymer with an Fc value from about 10% to about 50% by inhibiting reactor fouling during polymerization. | 07-01-2010 |
20110152067 | Self-Limiting Catalyst System with Controlled Aluminum to SCA Ratio and Method - A catalyst composition for the polymerization of propylene is provided. The catalyst composition includes one or more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors, one or more aluminum containing cocatalysts and a selectivity control agent (SCA). The SCA is a mixture of an activity limiting agent and a silane composition. The catalyst composition has a molar ratio of aluminum to total SCA from 0.5:1 to 4:1. This aluminum/SCA ratio improves polymerization productivity and the polymer production rate. The catalyst composition is self-extinguishing. | 06-23-2011 |
20110152424 | GAS-PHASE POLYMERIZATION PROCESS HAVING MULTIPLE FLOW REGIMES - The present invention relates to an improvement for gas phase olefin polymerization process under two or more different flow regimes. The process involves adding a mixed electron donor system to a reactor having two or more different flow regimes, wherein the mixed electron donor system comprises at least one selectivity control agent and at least one activity limiting agent. The invention is particularly well suited for reactor systems which include a regime characterized by having a low-velocity or high-solid holdup, which have been reported to have operational problems such as particle agglomeration and formation of polymer “chunks”. | 06-23-2011 |
20110172377 | Gas-Phase Polymerization Process - A process for polymerizing one or more olefins in a gas-phase polymerization reactor is provided. The gas-phase reactor has a fluidized bed and a fluidizing medium. The fluidizing medium has an operating density and an operating velocity. The process includes determining a critical gas velocity and/or determining a critical gas velocity for the polymerization. The operating gas density and/or the operating gas velocity for the fluidizing medium is then adjusted to be less than or equal to its respective critical value. The process includes increasing the bulk density of the fluidized bed. The increase in the fluidized bed bulk density increases productivity without increasing reactor residence time. | 07-14-2011 |
20120116029 | METHOD FOR POLYMERIZING POLYPROPYLENE - The present disclosure relates to a method for polymerizing polypropylene, optionally with one or more additional comonomers in a gas phase reactor in the presence of a mixed electron donor system comprising at least one selectivity control agent and at least one activity limiting agent. The process involves controlling the polymerization process to ensure that the difference between the reactor temperature and the dew point temperature of the incoming monomer stream is 12° C. or greater. | 05-10-2012 |
20130005923 | PROCESS FOR GAS-PHASE POLYMERIZATION HAVING HIGH BED BULK DENSITY - The present invention relates to an improvement for gas-phase olefin polymerization process having relatively high bed bulk density. The improvement involves the use of mixed external electron donors when polymerizing propylene in a gas-phase reactor having a polymer bed with a bulk density greater than 128 kg/m | 01-03-2013 |
Maarten Van Egmond, Santa Clara, CA US
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20100082535 | Method and System for Uploading Advertisement Content - A method and system is disclosed for receiving advertisement content files within a digital advertisement platform operating on a server computing system. Data defining a compressed file is received at the server. The compressed file includes a hierarchical structure of folders and a number of advertisement content files disposed within the hierarchical structure of folders. The hierarchical structure of folders is automatically extracted from the compressed file. The extracted hierarchical structure of folders is automatically created within a content library maintained within the digital advertisement platform. The advertisement content files are automatically extracted from the compressed file. The extracted advertisement content files are stored within the hierarchical structure of folders created within the content library so as to mirror disposition of the advertisement content files in the hierarchical structure of folders within the compressed file. | 04-01-2010 |
Maarten Van Egmond, Ez Rijnsburg NL
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20110057921 | BRAILLE DISPLAY - A braille display comprising an outer wall comprising an outer surface, an inner surface and a plurality of holes extending between the outer surface and the inner surface and which are arranged in an at least substantially regular pattern relative to each other. The braille display is further provided with braille cells wherein each braille cell comprises at least one tactile member which is movable between a first outer position and second outer position and activations means for moving the at least one tactile member between the first and second outer position. The at least one tactile member comprises a free top and each braille cell is located near the inner surface of the tactile member wherein each tactile member extends through one of the holes from the inner surface in a direction of the outer surface, at least if the tactile member is in the second position and wherein a position of the free top of the tactile member relative to the outer surface when the tactile member is in its first position differs from the position of the free top of the tactical member relative to the outer surface when the tactile member is in its second position, wherein each braille cell of a group of the braille cells is attached to the outer wall by means of a connection which acts on the one hand on the braille cell and on the other hand on the outer wall at a location adjacent to the braille cell. | 03-10-2011 |
Maarten Van Egmond, Rijnsburg NL
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20090011391 | Electromechanical relief display - An electromechanical relief display device comprising: | 01-08-2009 |
Marjolein Van Egmond, Amsterdam NL
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20110104145 | METHOD FOR THE TREATMENT OR PROPHYLAXIS OF CHRONIC INFLAMMATORY DISEASES - The invention relates to a method for the treatment or prophylaxis of chronic inflammatory diseases. Such diseases may be treated or prevented according to the invention by administering an effective amount of a compound that interferes with binding between IgA and the Fc receptor for IgA (FcalphaR1 or CD89) to a patient in need of such a treatment. In more mechanistic terms, the invention relates to a method for decreasing migration of polymorphonuclear cells and/or infiltration of polymorphonuclear cells by blocking the binding between IgA and CD89. In other terms, the invention relates to a method for preventing activation of polymorphonuclear cells or immune cells by blocking the binding between IgA and CD89, such as by blocking the IgA binding site on CD89 or by blocking the CD89 binding site on IgA. | 05-05-2011 |
Stephen Van Egmond, Toronto CA
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20120290490 | SYSTEM AND METHOD FOR DISPLAYING PRODUCT CERTIFICATION - A product certification code is provided. The product certification code is associated with a target product and comprises a uniform resource identifier (URI). The URI is configured to identify certification information at a certification data provider, which is configured to maintain the certification information about the target product. A method for retrieving the certification information from the certification data provider is also provided. Further, the certification data provider and a method for providing the certification information from the certification data provider are also provided. | 11-15-2012 |
20130239209 | MANAGING DOMAIN NAME ABUSE - A method for providing an abuse sentry service for responding to domain name abuse is described. The method comprises the following steps. A plurality of disparate abuse feeds is received, each comprising data relating to a subset of potential domain name abuse. Filters are applied to the data to create a custom abuse feed. Data from the custom abuse feed is grouped based on priority levels. For each of the groups, one or more corresponding workflows are executed as a response to the potential domain name abuse. A computer readable medium including instructions for implementing the method is also described. | 09-12-2013 |
Wilhelm Matthijs Adriaan Van Egmond, Veldhoven NL
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20100104472 | METHOD AND DEVICE FOR MAKING A GLASS-GLASS CONNECTION BETWEEN GLASS CAPILLARY TUBES AS WELL AS A METHOD FOR REVERSING THE SAME AND A (GAS) CHROMATOGRAPH - The present invention relates to a method for making a glass-glass connection between at least two coaxial, mutually overlapping, glass capillary tubes, wherein one of these two glass tubes is a column for chromatography, for example gas chromatography. Furthermore, the present invention also relates to a method for reversing such a glass-glass connection as well as to a device for making a glass-glass connection between at least two coaxial, mutually overlapping, glass capillary tubes. | 04-29-2010 |
Wilhelm Matthijs Adriaan Van Egmond, Echt NL
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20140331744 | SAMPLE INTRODUCTION DEVICE AND METHOD - The present invention relates to an injector for use in gas phase analytical systems and methods comprising a metal housing, provided with a carrier gas inlet, a split outlet, a column outlet of the injector, a sample inlet, a liner, and a heater device comprising at least one coil for radio frequency inductive heating the housing with a predetermined temperature program and for providing a predetermined spatial temperature profile in the injector. The injector according to the invention allows performing gas phase analyses, especially GC analyses with reduced discrimination. Advantages of heating with a heater device comprising a coil for inductive heating include a homogeneous heating profile of the housing including parts connected thereto, with heating rates that can be varied widely. A further advantage is that the injector can be operated as a conventional S/SL injector at a predetermined temperature, or as PTV injector or thermal desorption injector with certain predetermined temperature programs. The invention also relates to a process of making an injector according to the invention, and to a process of refitting an existing S/SL injector. The invention further concerns a gas analytical system comprising an injector according to the invention, and to a process of analysing a sample with such gas analytical system. | 11-13-2014 |