Chemical Process Control Or Monitoring System Patents (Class 700/266)
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Patent number: 6647315Abstract: A process control system includes an executive routine located at a first node of a process control system, one or more soft phases located at other nodes remote from the first node and communication software located in the each of the nodes to enable the executive routine to call and execute the soft phases that are at nodes remote from the first node. This operation may reduce loading or communication traffic on the batch executive node and enables the operator to interact with a soft phase at a workstation or node that is convenient to the operation of the soft phase, which makes the operator's task easier and results in faster execution of the soft phase.Type: GrantFiled: September 29, 2000Date of Patent: November 11, 2003Assignee: Fisher-Rosemount Systems, Inc.Inventors: Godfrey R. Sherriff, William G. Irwin, David L. Deitz, Grant Wilson
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Patent number: 6647342Abstract: A method and system for the development of materials includes a high-throughput data-generation cycle, a knowledge-generation cycle, and a knowledge repository or database. The data-generation cycle generates high-quality data for the virtual and experimental evaluation of new catalytic materials. The knowledge-generation cycle generates working hypotheses, relating performance to catalyst properties, from analysis and modeling of experimental and virtual data and data from literature, from correlations generated from experimental, theoretical, and/or modeling findings, and optionally from computational chemistry modeling investigations, in order to identify better materials.Type: GrantFiled: August 6, 2001Date of Patent: November 11, 2003Assignee: NovoDynamics, Inc.Inventors: Enrique Iglesia, Laurent Kieken, Matthew Neurock
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Publication number: 20030203492Abstract: A holder for an array unit having a planar substrate and an array of chemical moieties on a surface of the substrate. The holder may include a body with a retaining mechanism which releasably retains an array unit in a seated position. A holder identifier may include data on a characteristic of the holder or seated array or be linkable to a file containing such information. An apparatus, method, and computer program product which may be used with such a holder are also provided.Type: ApplicationFiled: April 29, 2002Publication date: October 30, 2003Inventor: Debra A. Sillman
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Patent number: 6640161Abstract: A method of operation of a steam stripped fractionation column by using a computer to process the relevant operating parameters of the column to determine the undesirable approach to a possible flooding condition.Type: GrantFiled: February 2, 2001Date of Patent: October 28, 2003Assignee: UOP LLCInventor: Richard K. Hoehn
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Publication number: 20030195665Abstract: A method is disclosed for removing the dynamics of the PID controllers from a Model Predictive Controller that was developed using identification testing of a process. This allows creation of valve-based off-line process simulators and provides methods to generate new MPC controllers for complex multivariable process control when a change has been made in any PID control configuration or tuning and to do so without having to conduct new identification testing of the process.Type: ApplicationFiled: January 10, 2002Publication date: October 16, 2003Inventor: Charles R. Cutler
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Publication number: 20030171849Abstract: The invention relates to an apparatus and method for testing the properties of chemicals in a reaction flow stream. In the method, chemicals from the reaction flow stream are directed to the apparatus for testing the physical properties of the chemicals, which is an indication of the state of the chemical reaction. Data measured by the apparatus is stored in a computer, and the computer may be used to analyze the data and to control the reaction parameters based on the analysis of the data. The apparatus used for the analysis comprises a rheometer having an actuated shaft and a concentric container, wherein the shear properties of the material sampled in the apparatus are measured when the actuator shaft is oscillated within the container. Various unique configurations of the apparatus are described.Type: ApplicationFiled: March 12, 2003Publication date: September 11, 2003Applicant: The Goodyear Tire & Rubber CompanyInventor: Martin Lamar Sentmanat
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Publication number: 20030168585Abstract: The field of the present invention is in the area of mass spectroscopy and purity analysis. Specifically the invention is related to determining the purity of sample of materials. The invention also relates to identifying an unknown sample. The present invention also provides a web-based system for scientists to interact with a computer to implement the method. Further the scientist is able to upload and download information to and from the method to and from a database or laboratory information management system. The present invention also provides for an efficient hardware architecture to implement the method.Type: ApplicationFiled: March 5, 2002Publication date: September 11, 2003Inventor: Michael Wall
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Publication number: 20030171848Abstract: The invention relates to an apparatus and method for testing the properties of chemicals in a reaction flow stream. In the method, chemicals from the reaction flow stream are directed to the apparatus for testing the physical properties of the chemicals, which is an indication of the state of the chemical reaction. Data measured by the apparatus is stored in a computer, and the computer may be used to analyze the data and to control the reaction parameters based on the analysis of the data. The apparatus used for the analysis comprises a rheometer having an actuated shaft and a concentric container, wherein the shear properties of the material sampled in the apparatus are measured when the actuator shaft is oscillated within the container. Various unique configurations of the apparatus are described.Type: ApplicationFiled: March 12, 2003Publication date: September 11, 2003Applicant: The Goodyear Tire & Rubber CompanyInventor: Martin Lamar Sentmanat
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Patent number: 6616823Abstract: The present invention generally provides methods and systems for monitoring and controlling electroosmotic flow rates in microfluidic systems. Generally, such methods and systems monitor flow rates in electroosmotically driven microfluidic systems by flowing signaling elements within these channels and measuring the flow rate of these signals. The methods of monitoring flow rates are also applied to methods and systems for continuously monitoring and controlling these flow rates in electroosmotically driven microfluidic systems.Type: GrantFiled: February 15, 2001Date of Patent: September 9, 2003Assignee: Caliper Technologies Corp.Inventor: Anne R. Kopf-Sill
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Patent number: 6611735Abstract: A process for the prediction and the optimization of the output of a plant producing products form incoming materials. The incoming materials are classified according to various physical characteristics and costs. The desired or ordered products are also classified according to price and physical requirements. The incoming materials information and the product information is entered into a database which is accessible by a computing device. The computing device then calculates the optimal production process by calculating a plurality of production cycles and selecting the cycle with the optimum profitability. The computing device is programmed with non-linear equations derived from a regressive analysis of data collected from samples of incoming materials and products.Type: GrantFiled: November 17, 1999Date of Patent: August 26, 2003Assignee: Ethyl CorporationInventors: Timothy J. Henly, Thomas Patrick Stocky
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Patent number: 6609070Abstract: A fluid monitoring and control apparatus and method including providing a programmable and reprogrammable control unit comprising a display, user inputs, and input/output connections; placing a programmable logic controller in direct communication with the control unit, which programmable logic controller is programmable and reprogrammable through the control unit; and placing a plurality of fluid parameter sensors in direct communication with the control unit. The invention is also of a fluid control apparatus and method comprising providing a membrane and estimating salt rejection by the membrane.Type: GrantFiled: November 13, 2000Date of Patent: August 19, 2003Assignee: RODI Systems CorpInventor: Stanley R. Lueck
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Publication number: 20030154003Abstract: Biological and chemical systems are represented as a symbolic model. Minimal sets of elements of the system are identified from the model, for example, by automatic inference. The model can be constructed from Boolean propositions that are mapped to a binary decision diagram. The model can also be probed using a branch and bound algorithm.Type: ApplicationFiled: January 23, 2002Publication date: August 14, 2003Inventors: Steven Mark Eker, Patrick Denis Lincoln
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Publication number: 20030146106Abstract: Electrochemical systems and methods of operating the systems are disclosed herein. In one embodiment, a method for operating an electrochemical system, comprises: forming hydrogen gas in an electrolysis cell, maintaining the hydrogen gas at a temperature sufficient to enable the filling of a hydrogen gas vessel at a rate that would fill a 5 kg vessel with the hydrogen gas in a period of time of less than or equal to about 10 minutes, and introducing the hydrogen gas to the hydrogen gas vessel.Type: ApplicationFiled: January 22, 2003Publication date: August 7, 2003Inventor: Fred Mitlitsky
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Patent number: 6596123Abstract: A method and apparatus for cleaning a semiconductor wafer processing system comprising a turbomolecular pump. In one embodiment, the invention may be reduced to practice by first supplying a cleaning agent to a chamber; pumping the cleaning agent from the chamber through an the exhaust port; at least partially opening a gate valve; and drawing at least a portion of the cleaning agent through the gate valve and into the turbomolecular pump.Type: GrantFiled: January 28, 2000Date of Patent: July 22, 2003Assignee: Applied Materials, Inc.Inventors: Michael Chiu Kwan, Alan W. Collins, Jalel Hamila, Padmanabhan Krishnaraj, Zhengquan Tan
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Patent number: 6594553Abstract: The present invention provides, according to one aspect thereof, a computer controlled process for reducing SO2 from a flue gas. The process includes the basic steps of providing an aqueous treatment solution containing an inorganic salt and a control unit for controlling the introduction of the aqueous treatment solution containing an inorganic salt and controlling the control unit in response to a computer program to effect introduction of the aqueous treatment solution into contact with alkaline earth material. Thereafter, the process includes heating the alkaline earth material in the presence of the flue gas containing SO2 to remove the SO2. The alkaline earth material may be limestone or dolomite. The inorganic salt is selected from the group consisting of thermally decomposable sodium compounds including sodium carbonate, sodium bicarbonate, sodium hydroxide, sodium nitrate, and sodium acetate.Type: GrantFiled: April 18, 2000Date of Patent: July 15, 2003Assignee: Alstom (Switzerland) LtdInventors: Kurt W. Johnson, Ferdinand A. Ruszala, Peter T. Stromberg, Herbert E. Andrus, Jr., James F. Durant
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Patent number: 6591166Abstract: A power plant water chemistry analysis apparatus and method relies upon water chemistry sensors to obtain power plant water chemistry data characterizing the chemical activity of a power plant water system. An analytical model processor is used to generate model predictions for the power plant water system. A statistical data fitting processor selects screened data from the power plant water chemistry data that corresponds to the model predictions. The screened data is processed by an artificial intelligence processor to derive power plant water chemistry diagnostic information. The artificial intelligence processor includes an expert system, rule base, plant water chemistry system simulator, and pattern recognition module.Type: GrantFiled: August 31, 1999Date of Patent: July 8, 2003Assignee: Electric Power Research Institute, Inc.Inventors: Peter J. Millett, Gary D. Burns, Gary E. Brobst
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Patent number: 6587753Abstract: Described and claimed is a method of controlling a boiler in which control is based on information from a control Matrix applicable to the specific operating parameters of said boiler. This method is applicable for boilers being treated with any of several standard boiler treatment programs. By conducting the instant claimed method it is possible to automatically control a boiler using at least one fluorometer and one or more analytical devices and a controller.Type: GrantFiled: December 13, 2000Date of Patent: July 1, 2003Assignee: Ondeo Nalco CompanyInventor: Roger W. Fowee
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Publication number: 20030120366Abstract: A semiconductor cleaning system includes deionized water cleaning units for removing particles and chemicals from the wafer surface, and chemical cleaning units for removing organic materials and oxides from the wafer surface. The system is interlocked when chemicals used to clean the surface of a wafer are erroneously supplied to one or more chemical cleaning units of the system. To this end, the semiconductor cleaning system also includes a respective detection unit for detecting the state under which chemicals are being supplied to a chemical cleaning unit, a control unit for determining whether the cleaning system should be interlocked based on data from the detection units, and an alarm unit for providing an alarm in response to a control signal issued from the control unit.Type: ApplicationFiled: December 4, 2002Publication date: June 26, 2003Inventors: Choul-Gue Park, Deok-Yong Kim
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Publication number: 20030113230Abstract: A method and system for detecting chemical or biological hazards in items is provided. An incoming mail mailbox includes a sampler to sample air from a letter that is tested using a first sensor and then placed in a receptacle having an environment that is tested using a second sensor.Type: ApplicationFiled: December 19, 2001Publication date: June 19, 2003Applicant: Pitney Bowes Inc.Inventors: Robert A. Cordery, Karin A. Russo, Ronald P. Sansone
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Patent number: 6579717Abstract: A method for handling specific sample solutions for calibration and quality control by an automatic analytical apparatus in which a sample rack to hold calibrator bottles for required analysis items is set on a rack supply unit by an operator. Identification information of all calibrator bottles on the rack is read out, and data on corresponding calibrator samples are also stored. The operator enters analysis items to be measured, and a measuring channel to be used for calibration. Comparison is made between the planned number of requested calibrations and the number of permissible services to determine whether or not calibrator solution is sufficient. If it is determined to be insufficient, the required number of bottles are displayed according to the difference between the number of permissible services and the number of requests, thereby allowing the operator to add the required number of calibrator bottles.Type: GrantFiled: February 3, 2000Date of Patent: June 17, 2003Assignee: Hitachi, Ltd.Inventors: Shigeki Matsubara, Kyoko Imai, Ryuji Tao
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Publication number: 20030098043Abstract: The aim of the invention is to reduce the chemical consumption in a method for treating substrates, especially semiconductor wafers, in a treatment vessel, into which different treatment fluids from respective containers are introduced in succession in order to treat the substrates. To this end, the invention provides that a treatment fluid is fed into a collection vessel after a treatment, at least one portion of the treatment fluid is withdrawn from the collection vessel and returned into the respective container, and the collection vessel is rinsed after the withdrawal of a treatment fluid and before receiving another treatment fluid. The invention also relates to a device for treating substrates, especially semiconductor wafers, in a treatment vessel.Type: ApplicationFiled: October 23, 2002Publication date: May 29, 2003Inventors: Manfred Schenkl, Robert Pesce, John Oshinowo, Uwe Muller
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Patent number: 6567751Abstract: There is disclosed a method and a computer system enabling high-throughput combinatorial synthesis and screening of lighting phosphors. The system links hardware instrumentation for synthesis and screening. It records, sorts, and analyzes photo-metric data gathered from the combinatorial studies, along with the characteristics of the combinatory processes. The system provides a database as the data storage and query engine, an analysis module as the processor for analytical operations, and an interface for accepting the user's input and displaying the analysis results and other information requested by the user.Type: GrantFiled: November 3, 2000Date of Patent: May 20, 2003Assignee: General Electric CompanyInventor: Xiao-Dong Sun
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Patent number: 6564154Abstract: A system for monitoring the emission of VOCs in a workstation is disclosed including a sensor to obtain a signal representative of the amount of coating discharged in the workstation, a database for storing data values representative of the signal, a network configured for allowing access to the database and at least one computing device for access to the database over the network and providing a user interface for presenting information representative of at least a portion of the data values. A method for monitoring the emission of VOCs in a workstation is disclosed.Type: GrantFiled: November 28, 2000Date of Patent: May 13, 2003Assignee: Steelcase Development CorporationInventors: Lynn A. Zimmerman, Ronald J. Kerkstra, Jr., Patricia Robin Hood, Kenneth L. Trumble, James M. Kerkstra, Edward C. Smit, Jr., Patrick J. Fingleton
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Publication number: 20030085179Abstract: Methods and systems are disclosed for reducing wastes produced from an industrial process. One embodiment describes communicating with a communications network and acquiring process information concerning the industrial process. A process parameter, associated with a predicted waste output, is predicted according to a predetermined model and based on the process information. The process parameter is then communicated over the communications network.Type: ApplicationFiled: November 6, 2001Publication date: May 8, 2003Applicant: General Electric CompanyInventors: Bang Mo Kim, Stephen Lan-Sun Hung, Joseph James Salvo
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Publication number: 20030082795Abstract: Devices, in vitro cell cultures, systems, and methods are provided for microscale cell culture analogous (CCA) device.Type: ApplicationFiled: April 25, 2002Publication date: May 1, 2003Inventors: Michael Shuler, Gregory T. Baxter, Aaron Sin, Robert Andrew Harrison, Scott Meyers
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Patent number: 6556930Abstract: A fluid treatment apparatus (100) and method having a variety of interchangeable input/output cards (10) capable of communicating with a variety of parameters including analytical parameters. A programmable central processing unit (124), input/output cards (10), data bus (30), display (102), and keypad (104) are integrated into a single integrated apparatus (100). Analytical parameters are received directly by the appropriate input/output cards for direct communication with the central processing unit (124). The central processing unit also outputs control parameters through the input/output cards.Type: GrantFiled: June 18, 1999Date of Patent: April 29, 2003Assignee: RODI Systems Corp.Inventor: Stanley R. Lueck
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Patent number: 6549855Abstract: A measuring device for the evaluation of the physical and/or chemical properties of gases, fluids and/or solid materials. The measuring device is equipped with an arithmetic-logic unit which is linked to a sensor at a technical facility. The arithmetic-logic unit and the sensor are linked to each other over a communications medium. The arithmetic-logic unit and equipment at the technical facility are linked by means of an additional communications medium.Type: GrantFiled: February 14, 2001Date of Patent: April 15, 2003Assignee: Endress & Hauser Conducta Gesellschaft fur Mess-und Regeltechnik mbH & Co.Inventors: Wolfgang Babel, Detlev Wittmer
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Patent number: 6544476Abstract: When the operation function of an automatic analyzer is allowed to use, all selection buttons respectively provided in corresponding to a plurality of operation functions being grouped are displayed on a predetermined area of a CRT display. In this case, the button corresponding to the operation function allowed to be used for a particular operator is indicated by the color representing accessible, while the button corresponding to the operation function not allowed to be used for the particular operator is indicated by the color representing not-accessible. When the button corresponding to the accessible operation function is selected, the subclass operation function screens relating to the selected operation function are displayed in a hierarchy fashion or a multi-layer fashion.Type: GrantFiled: April 20, 1999Date of Patent: April 8, 2003Assignee: Hitachi, Ltd.Inventors: Tomonori Mimura, Taku Sakazume, Atsushi Takahashi
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Patent number: 6539285Abstract: The invention concerns a method and a device for process control of reaction processes using Fourier transform infrared spectroscopy. In accordance with the invention, an interferogram is generated before or after interaction with the compositions. Subsequent thereto, the interferogram is inspected in segments for externally introduced intensity fluctuations. The intensity fluctuations are subjected to an analysis procedure involving integration, differentiation, or the like, and on the basis of this evaluation, a decision is made as to whether or not the interferogram has an acceptable degree of interfering signals. The interferogram is labeled with this evaluation result and the procedure is repeated a plurality of times. After a sufficient number of acceptable interferograms have been collected, the acceptable interferograms are summed and subjected to a Fourier transform process to extract the frequency dependence.Type: GrantFiled: August 11, 2000Date of Patent: March 25, 2003Assignee: Bruker Optik GmbHInventors: Wilfried Hartmann, Arno Simon
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Patent number: 6534010Abstract: An apparatus capable of characterizing the fluid content of chemicals in a reaction line comprises a rheometer. The apparatus can be connected to or included in a reaction flow stream, and has a retractable wall 26 that opens to provide an opening 28 that permits a portion of the reaction flow steam to enter into sampling chamber 12. The sample is isolated from the flow stream and rheometric data is obtained from the sample. In the method of the invention, data on the sample is collected and transferred to a computer. The computer is used to analyze the data, and optionally can be used to control reaction parameters in the reaction flow stream.Type: GrantFiled: December 7, 2000Date of Patent: March 18, 2003Assignee: The Goodyear Tire & Rubber CompanyInventor: Martin Lamar Sentmanat
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Patent number: 6535795Abstract: The present invention provides a method for chemical addition utilizing adaptive process control optimizations having a combination of expert system(s), neural network(s) and genetic algorithm(s).Type: GrantFiled: August 9, 1999Date of Patent: March 18, 2003Assignee: Baker Hughes IncorporatedInventors: Myron E. Schroeder, Marilyn W. Blaschke, Michael J. Zetlmeisl, David M. Fischer, Kenneth J. Tacchi
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Publication number: 20030033055Abstract: A programmable aerosol generator forms a volatilized liquid by supplying a material in liquid form to a flow passage and heating the flow passage, such that the material volatilizes and expands out of an outlet of the channel. The volatilized material, if desired, mixes with ambient air such that volatilized material condenses to form the aerosol. An apparatus and method for generating such a volatilized liquid, as well as the control and methods of heating, are disclosed as an analytical tool useful for experimental use, a tool useful for production of commercial products or an inhaler device.Type: ApplicationFiled: July 29, 2002Publication date: February 13, 2003Inventors: Douglas D. McRae, John L. Felter, Clinton E. Blake, Mark T. Capps, Kenneth A. Cox, David H. Keeler, Rajiv Gupta
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Publication number: 20030028287Abstract: The invention utilizes a multiple frequency ultrasound generator driving a multiple frequency harmonic transducer array to improve cleaning and processing effects while eliminating damage to parts being cleaned. An AC switch and circuitry to modify the output of an ultrasound generator in combination with techniques such as random AM and FM signals are used to produce ultrasound waves that have no single frequency components which eliminates exciting parts being cleaned into resonance.Type: ApplicationFiled: June 24, 2002Publication date: February 6, 2003Inventor: William L. Puskas
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Publication number: 20030028277Abstract: The invention provides a method for calculating the fractional exposure of black and white photographic material, the developed material being processed in a processing system having a fixing stage and an in-line silver recovery unit associated with the fixing stage, comprising the steps of determining the mass of silver recovered by the in-line silver recovery unit during a period of operation of the method, calculating a first estimate for the fractional exposure of the photographic material in dependence on the determined mass of silver and, using said first estimate as an input to an iterative process, to calculate a subsequent estimate for the fractional exposure (&thgr;) of the photographic material. The invention provides a simple and accurate method and system for calculating the fractional exposure of photographic material without requiring the use of a silver sensor.Type: ApplicationFiled: May 13, 2002Publication date: February 6, 2003Applicant: Eastman Kodak CompanyInventors: Nicholas J. Dartnell, Christopher B. Rider
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Patent number: 6510368Abstract: A process for monitoring and controlling an aqueous system. At least one performance parameter relating to conditions within the aqueous system is selected. A value of the at least one performance parameter is measured to serve as a baseline value. A capacity of the aqueous system is determined and flow rates of water into and out of the system are measured and monitored. The value of the at least one performance parameter is measured and compared the value to the baseline for the performance parameter. Flow rates of water into and out of the system are factored in. At least one controllable variable within the aqueous system is altered based upon a deviation of the value of the at least one performance parameter from the baseline value.Type: GrantFiled: April 13, 2000Date of Patent: January 21, 2003Assignee: Ashland Inc.Inventors: Edward S. Beardwood, George Freedman Hays, James George Knudsen
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Publication number: 20020195332Abstract: A method and apparatus for vacuum coating plural articles employs a drum work holder configuration and a sputter source with a plurality of individually controlled anodes for effectively providing uniform coatings on articles disposed at different locations on the drum work holder. A small number of measured process parameters are used to control a small number of process variable to improve coating uniformity from batch to batch.Type: ApplicationFiled: July 22, 2002Publication date: December 26, 2002Inventors: Clive H. Burton, Rodney Pratt, Frank Samson
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Publication number: 20020192831Abstract: A method of controlling the hydrocarbon content of a possible explosive mixture of air/hydrocarbon vapor circulating from an intake point into an installation fitted with a vapor intake system comprising a vapor intake circuit incorporating a suction pump enabling vapor to be circulated at a vapor flow rate QV. A device is connected to the vapor intake circuit to determine the hydrocarbon content of the aspirated vapor comprising a combination of a flow meter on the one hand and a sensor for measuring relative pressure by reference to atmospheric pressure PA on the other. The hydrocarbon content of the vapor circulating in the vapor intake circuit is determined by taking account of the density and the viscosity of this vapor, which is derived on the basis of a characteristic linked to the loss in air pressure previously stored in memory.Type: ApplicationFiled: January 30, 2002Publication date: December 19, 2002Inventor: Jacques Fournier
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Patent number: 6489168Abstract: Computer programs and computer-implemented methods for monitoring the progress and properties of parallel chemical reactions. The invention repeatedly receives a measured value or values associated with the contents of each of a plurality of reactor vessels and displays the measured over the course of a combinatorial chemical reaction. Reaction parameters associated with individual reactor vessels are changed in response to the value measured during the reaction. Reaction parameters include temperature, pressure, stirring speed. The reaction occurring in one or more reactor vessels is quenched in response to values measured during the reaction. The measured values are used to calculate experimental results including temperature change, pressure change, percent conversion of starting material, and viscosity. The measured values and experimental results are displayed. In another aspect, the invention features a method for controlling a combinatorial chemical reactor.Type: GrantFiled: January 29, 1999Date of Patent: December 3, 2002Assignee: Symyx Technologies, Inc.Inventors: Pei Wang, G. Cameron Dales
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Publication number: 20020168292Abstract: Computerized systems and methods for planning, preparing, tracking, and analyzing a plurality of chemical reactions including a planner for planning how much of each of a plurality of materials is to be delivered to each of a plurality of reaction vessels; a delivery device for delivering a predetermined amount of each of the plurality of materials to each of the plurality of reaction vessels; a reaction device for reacting the plurality of materials disposed within each of the plurality of reaction vessels; a measuring device for testing and measuring the reacted contents of each of the plurality of reaction vessels; and an analyzer for analyzing the reacted contents of each of the plurality of reaction vessels to determine the amount of at least one component present in the reacted contents and to determine the relative performance of the materials disposed within each of the plurality of reaction vessels.Type: ApplicationFiled: May 14, 2001Publication date: November 14, 2002Inventors: Donald Wayne Whisenhunt, James Norman Cawse, Bruce Fletcher Johnson, Tracey Marie Jordan, Ralph Joseph May, Eric Douglas Williams, Kirill Vladimirovich Shalyaev, Michael Jarlath Brennan, Carl Matthew Laurence Sundling, James Lawrence Spivack
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Publication number: 20020143437Abstract: The present invention provides control methods, control systems, and control software for microfluidic devices that operate by moving discrete micro-droplets through a sequence of determined configurations. Such microfluidic devices are preferably constructed in a hierarchical and modular fashion which is reflected in the preferred structure of the provided methods and systems. In particular, the methods are structured into low-level device component control functions, middle-level actuator control functions, and high-level micro-droplet control functions. Advantageously, a microfluidic device may thereby be instructed to perform an intended reaction or analysis by invoking micro-droplet control function that perform intuitive tasks like measuring, mixing, heating, and so forth. The systems are preferably programmable and capable of accommodating microfluidic devices controlled by low voltages and constructed in standardized configurations.Type: ApplicationFiled: March 28, 2001Publication date: October 3, 2002Inventors: Kalyan Handique, Karthik Ganesan, Sundaresh N. Brahmasandra
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Publication number: 20020133302Abstract: The problem is providing an environmental performance improvement support system and an environmental performance improvement support method that support to improve effects on the environment due to release of chemical substances.Type: ApplicationFiled: January 24, 2002Publication date: September 19, 2002Applicant: Hitachi, Ltd.Inventors: Tetsuya Matsui, Kiyomi Funabashi, Yoshiaki Ichikawa, Takako Oono, Akira Sekine
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Publication number: 20020119250Abstract: A method of forming a silicon carbide layer for use in integrated circuits is provided. The silicon carbide layer is formed by reacting a gas mixture comprising a silicon source, a carbon source, and a nitrogen source in the presence of an electric field. The as-deposited silicon carbide layer incorporates nitrogen therein from the nitrogen source.Type: ApplicationFiled: February 23, 2001Publication date: August 29, 2002Applicant: Applied Materials, Inc.Inventors: Francimar Campana, Srinivas Nemani, Michael Chapin, Shankar Venkataraman
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Publication number: 20020116079Abstract: The present invention is a program to monitor the actual, expected and predicted output performance of a process unit in an oil refinery.Type: ApplicationFiled: February 8, 2002Publication date: August 22, 2002Inventors: Kenneth C. Kern, George P. Charles, Christopher F. Sullivan, Andrew D. Sullivan, Howard H. Shiel, John M. Righi, Michael A. Hayes, Daniel H. Mason
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Patent number: 6430477Abstract: A control apparatus for a gas analyzer system for controlling a plurality of analyzers having different hardware constitutions in a single program works on a single CPU. The control apparatus includes a processing unit with a CPU which is connected with each gas analyzer by a CPU bus to control each gas analyzer. Each gas analyzer is provided with a plurality of AD converters having respectively a plurality of analog input ports in which the respective output signals of the gas analyzer units are inputted, and a non-volatile memory unit for storing a connection condition table which shows the connection condition of the gas analyzer unit to the AD converters, by connecting with the CPU bus, thereby making it possible for the CPU in the analyzer processing unit to control the respective gas analyzers by a single program.Type: GrantFiled: June 30, 1998Date of Patent: August 6, 2002Assignee: Horiba, Ltd.Inventors: Tetsuji Asami, Akihiro Nishimoto
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Publication number: 20020095240Abstract: A computer (4), a computer program product, and a method for synchronizing a system for aspirating and/or dispensing liquid samples that comprises a microejection device (1) and a pump (2) which are connected with one another by tubing (3), wherein the computer (4) is capable of being implemented for loading an activatable computer program product for synchronizing the microejection device (1) and pump (2).Type: ApplicationFiled: November 19, 2001Publication date: July 18, 2002Inventors: Anselm Sickinger, Hanspeter Romer, Nikolaus Ingenhoven, Urs Knecht
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Publication number: 20020090733Abstract: A process for preparing components or mixtures of components that can be utilised to impart a flavour to a foodstuff. More in particular, a process for preparing flavour components involving so-called Maillard reactions, wherein at least part of the reaction conditions is determined by modelled relationships and/or a simulation of complex chemical reaction pathways.Type: ApplicationFiled: July 20, 2001Publication date: July 11, 2002Applicant: Lipton, Division of Conopco, Inc.Inventors: Werner Klaffke, Shail Patel, Jeremy Andrew Rabone, Stephen William Russell, Johannes Theodorus Tissen
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Patent number: 6408227Abstract: A system and method is provided that predicts operational parameters for all unit operations in water treatment plants or the like. Initial training with historical operations data, for example, allows the system and method to develop equations that can in turn predict the present and future performance of the plant in real time. In addition, the system and method can control operations of the plant in real time. The system improves the performance of the plant to meet predetermined subpoints of various parameters. For example, the predetermined subpoints can be used to enable the plant to meet regulatory needs while controlling for other parameters such as cost, chemical fees, flow rates and power consumption. The system and method include a non-linear predictive model for turbidity. The system considers the influent water quality and analyzes treatment options available to predict the dose of various chemicals required to get desired treatment.Type: GrantFiled: October 7, 1999Date of Patent: June 18, 2002Assignee: The University of Iowa Research FoundationInventors: Sanjay S. Singhvi, Jerald L. Schnoor
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Publication number: 20020072827Abstract: The invention relates to an apparatus and method for testing the properties of chemicals in a reaction flow stream. In the method, chemicals from the reaction flow stream are directed to the apparatus for testing the physical properties of the chemicals, which is an indication of the state of the chemical reaction. Data measured by the apparatus is stored in a computer, and the computer may be used to analyze the data and to control the reaction parameters based on the analysis of the data. The apparatus used for the analysis comprises a rheometer having an actuated shaft and a concentric container, wherein the shear properties of the material sampled in the apparatus are measured when the actuator shaft is oscillated within the container. Various unique configurations of the apparatus are described.Type: ApplicationFiled: December 11, 2000Publication date: June 13, 2002Inventor: Martin Lamar Sentmanat
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Publication number: 20020065581Abstract: A management tool that allows a manager to review historical data and perform forecasting simulations relating to pollutant emissions from power plants and the like is disclosed. The management tool allows the outcomes of various pollution control strategies to be simulated so that the pollution control strategy which yields the optimum result for the utility company can be selected. The system of the present invention uses real time data to automatically update the input parameters to the decision making process and revise the forecasted outcomes for the various strategies considered. The management tool of the present invention includes a computer programmed to perform the aforementioned simulations and one or more continuous emission monitors (CEMs) which are in constant communication with the computer.Type: ApplicationFiled: November 30, 2000Publication date: May 30, 2002Inventor: Ted S. Fasca
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Publication number: 20020064694Abstract: The present invention provides a method for enabling qualification of at least a portion of a fuel cell system. The method includes electronically obtaining at least one result of a test of the at least a portion of a fuel cell system and electronically comparing the at least one result to at least one qualifying criteria.Type: ApplicationFiled: November 30, 2000Publication date: May 30, 2002Inventors: Ryan Hallum, Yaobang Wu, Chris Comi, Prathap Haridoss, Chockkalingam Karuppaiah