Class / Patent application number | Description | Number of patent applications / Date published |
700268000 | Synthesis process | 21 |
20080228321 | Apparatus and method for controlling an ammonia production system - An apparatus, method, and computer program for controlling an ammonia production system are provided. At least one model is associated with production equipment operable to produce ammonia, where the production equipment includes a reformer section, a carbon dioxide wash section, and an ammonia synthesis reactor section. The production equipment is controlled using the at least one model. The at least one model is associated with a plurality of controlled variables and a plurality of manipulated variables. At least some of the controlled variables are associated with the reformer section, the carbon dioxide wash section, and/or the ammonia synthesis reactor section. At least some of the manipulated variables are associated with the reformer section, the carbon dioxide wash section, and/or the ammonia synthesis reactor section. | 09-18-2008 |
20080243310 | Production control utilizing real time optimization - Method of controlling production of a plant incorporating one or more chemical processes in which products are produced through consumption of raw materials. In accordance with the method, current production rates of the products are computed by semi-empirical process models that are corrected through error corrections of actual production rates to produce corrected models. The production is then optimized using the corrected models to maximize the variable margin gained upon the sale of the products. The optimization yields targets that either directly or at least influence consumption of the raw materials. The raw materials are then introduced into the process or processes in accordance with the targets. | 10-02-2008 |
20080294289 | Preparation and Use of Alkylating Agents - The present disclosure provides methods of synthesizing alkylating agents and methods of use. | 11-27-2008 |
20090069944 | CHEMICAL PROCESS OPTIMIZATION METHOD THAT CONSIDERS CHEMICAL PROCESS PLANT SAFETY - A method for assuring safety of a particular chemical process plant includes measuring, for each of a plurality of sets of proposed process conditions for a particular chemical process within the particular chemical process plant, a pressure rise rate following a deliberate contained ignition of at least one material used within the particular chemical process. From the resulting plurality of pressure rise rates that corresponds with the plurality of sets of proposed process conditions a particular pressure rise rate that allows for a safe operation of the particular chemical reaction within the particular chemical process plant may be selected. The particular chemical process may be implemented within the particular chemical process plant while using a particular set of process conditions from the plurality of sets of process conditions that corresponds with the selected pressure rise rate. As an adjunct, the particular chemical reaction may also be subsequently and additionally optimized with respect to an ancillary parameter, such as product yield or feedstock utilization. | 03-12-2009 |
20110004345 | MICROCHANNEL COMPRESSION REACTOR - A process unit comprising: (a) a first microchannel module comprising: (i) a first unit operation including microchannels, in which at least a portion of a unit operation takes place, adapted to be in fluid communication with a first inlet stream and a first outlet stream, and (ii) a second unit operation including microchannels adapted to be in thermal communication with the first unit operation, the second unit operation adapted to be in fluid communication with a second inlet stream and a second outlet stream; and (b) a pressurized vessel at least partially containing the first microchannel module adapted to be concurrently occupied by a compressive medium in thermal communication with the first microchannel module. | 01-06-2011 |
20110054692 | REFORMER AND CONTROL METHOD THEREFOR - A reformer having improved performance and stability and a reformer control method, the reformer including a reforming reaction unit, a first sensor, a heat source unit, a second sensor, and a flow control unit. The reforming reaction unit converts a first fuel into a reformate. The first sensor senses a first temperature of the reformate generated from the reforming reaction unit. The heat source unit heats the reforming reaction unit with a combustion heat of a second fuel. The second sensor senses a second temperature at a fuel inlet of the heat source unit. The flow control unit controls a temperature of the reformate by regulating a flow of an oxidizer supplied to the heat source unit based on the first temperature, and controls a temperature of the heat source unit by regulating a flow of the second fuel supplied to the heat source unit based on the second temperature. | 03-03-2011 |
20110060464 | Adiabatic control method for isothermal characteristics of reaction vessels - An adiabatic control method for isothermal reaction vessels for exothermic reactions, includes with a first reaction vessel and a second non-reaction vessel, each having cooling control and adjustment mechanisms. Chemical reactants are added to the first vessel for an isothermal exothermic reaction to create reaction product(s), and appropriate cooling is provided to regulate the rate of reaction. A second vessel non-reactant control material for adiabatic measurements has similar heat capacity and mass to chemical reactants of the first vessel. The second vessel is identically cooled as the first vessel. A pseudo heat of reaction is calculated for the second vessel material utilizing the heat change rate, the control material heat capacity and mass, and it is assumed to be the heat of reaction of the first vessel to identify optimal reaction parameters. The method involves heating, instead of cooling, for endothermic isothermal reactions. | 03-10-2011 |
20110202177 | Intuitive Graphical User Interface for Carrying Out Chemical Reactions - An apparatus and method for chemical synthesis, the method includes accessing a recipe, the recipe including a sequence of one or more processing steps for the chemical synthesis. The processing steps including one or more steps. The recipe is executed by sorting the processing steps and executing the one or more selected steps prior to executing other steps. The chemical synthesis is monitored by providing status data, indicating a status of the execution and enabling input of control data to modify execution based on the status data or user-initiated modification. Information related to the status of the execution is displayed, typically as a graphical representation of a process action. | 08-18-2011 |
20110264267 | PROCESS FOR THE MANUFACTURE OF P4O6 WITH IMPROVED YIELD - A process for the production of a reaction product consisting essentially of P | 10-27-2011 |
20140257566 | METHOD OF OPERATING AN AUTOMATED RADIOPHARMACEUTICAL SYNTHESIZER - The present invention relates to calibration and normalization systems and methods for ensuring the quality of radiopharmaceuticals during the synthesis thereof, such as radiopharmaceuticals used in Positron Emission Tomography (PET) and Single-Photon Emission Computed Tomography (SPECT). | 09-11-2014 |
20160001246 | MODULAR CASSETTE SYNTHESIS UNIT - Compact modular cassette systems and methods for the synthesis of radiopharmaceutical products are provided, the compact modular cassette system including a modular unit having valve plates, a reaction cassette, a reagent pack, and other seal and connector plates to ensure that reagents can be mixed together inside one or more chambers of the reaction cassette in a timely and efficient manner. When a new chamber for each new reaction or process should be used, a valveless modular system having removable reaction cassettes and the reagent packs may be used. In such a system, the reagent container, the reaction cassette, or both, can be removed from the modular cassette system and discarded after a desired reaction or process has taken place. | 01-07-2016 |
20160066514 | METHODS FOR MODULATING PHOTOSYNTHETIC ACTIVITY - A method is provided for modulating transpiration in an organism that is capable of photosynthesis, where the method includes contacting the organism with a composition including an effective amount of an oxygen antagonist. Also provided is an apparatus for modulating transpiration in an organism that is capable of photosynthesis. | 03-10-2016 |
700269000 | Polymerization/trimerization | 9 |
20080319583 | Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events - Generally, a method of monitoring a polymerization reaction in a fluid bed reactor to generate, in on-line fashion, data indicative of the imminent occurrence of a discontinuity event (for example, sheeting) and optionally also control the reaction to prevent the occurrence of the discontinuity event is provided. Typical embodiments include the steps of generating in on-line fashion at least one of bed static data indicative of static charge in the fluidized bed and carryover static data indicative of carryover static; and generating at least one of temperature data (in on-line fashion using at least one monitored reaction parameter) indicative of a first temperature and acoustic emission data indicative of resin stickiness in the reactor, where the first temperature is indicative of at least one of degree of resin stickiness in the reactor and a characteristic of melting behavior of polymer resin in the reactor in the presence of at least one diluent. | 12-25-2008 |
20090037027 | Method and Apparatus for Monitoring Polyolefin Production - The present technique provides for the use of spectroscopic probes, such as Raman probes, within the conduits or other equipment of a polyolefin production system and upstream systems. The Raman probe or other spectroscopic probes may be used to obtain spectroscopic measurements of the contents of the conduits or other equipment. The spectroscopic measurements may be processed and analyzed to determine one or more properties of interest of the contents. | 02-05-2009 |
20090112365 | APPARATUS AND METHOD FOR POLYMERISATION SURGICAL CEMENT - An apparatus for monitoring the polymerisation of surgical cement comprising a container for holding the surgical cement, sensing means to detect at least one environmental factor affecting surgical cement polymerisation or property of surgical cement indicating the level of polymerisation, wherein the sensing means is adapted to produce an output according to at least one environmental factor or property. The apparatus further comprises signal means to inform a user of the condition of the surgical cement according to the output of the sensing means. Suitably at least one environmental factor or property of the surgical cement is ambient temperature, ambient humidity, temperature of the surgical cement, viscosity of the surgical cement or the speed of sound through the surgical cement. | 04-30-2009 |
20100161133 | DYNAMIC CONSTRAINED OPTIMIZATION OF CHEMICAL MANUFACTURING - System and method for chemical manufacture utilizing a dynamic optimizer for a chemical process including upstream and downstream processes. The dynamic optimizer includes a maximum feed calculator, operable to receive one or more local constraints on the downstream processes and one or more model offsets, and execute steady state models for the downstream processes in accordance with the local constraints and the offsets to determine maximum feed capacities of the downstream processes; and a feed coordinator, operable to receive the maximum feed capacities, and execute steady state models for the upstream processes in accordance with the maximum feed capacities and a specified objective function, subject to global constraints, to determine upstream production parameters for the upstream processes, which are usable to control the upstream processes to provide feeds to the downstream processes in accordance with the determined maximum feeds and the objective function subject to the global constraints. | 06-24-2010 |
20100280664 | MEASUREMENT AND CONTROL BY SOLID AND GAS PHASE RAMAN SPECTROSCOPY OF MANUFACTURING PROCESSES FOR CHEMICALLY CROSSLINKED POLYETHYLENE FOR INSULATED ELECTRIC CABLES AND FOR OTHER PRODUCTS - A system and method is described to measure condensed phase and gas phase by-products in the production of chemically cross-linked polyethylene products and, further, for control of the production process. | 11-04-2010 |
20100324738 | Method for Optimising the Transition from One Grade to Another - The present invention relates to the polymerisation of olefin monomers in a slurry loop reactor and to a model for determining and optimising the changes in operating conditions that need to be applied when changing from one polymer grade to another. | 12-23-2010 |
20110071681 | THERMAL CYCLER - A thermal cycler includes a bearing element, a heating element, a first cooling element, and a temperature controller. The bearing element carries at least one reaction mixture. The heating element raises the temperature of the reaction mixture. The heating element includes a housing, at least one carbon nanotube structure and a pair of electrodes. The carbon nanotube structure and the pair of electrodes are accommodated in the housing. The pair of electrodes is electrically connected to the carbon nanotube structure. The first cooling element cools the temperature of the reaction mixture. The temperature controller is electrically connected to the heating element and the first cooling element. The temperature controller controls the operation of the heating element and the first cooling element | 03-24-2011 |
20120136482 | METHOD OF CONTROLLING A POLYMERIZATION REACTOR - The present invention provides methods of controlling a gas-phase polymerization process. The method includes determining a difference between a control variable of the polymerization process, such as the production rate, and the desired value of the control variable; adjusting or maintaining a first manipulated variable to at least partially compensate for the difference between the control variable and the desired value; and adjusting or maintaining a second manipulated variable to at least partially compensate for the effect of adjusting or maintaining the first manipulated variable. The first and second manipulated variables can include process variables such as the fluidized bed weight, the catalyst concentration, the concentration of one or more monomers, the flow of one or more comonomers, the ratio of one comonomer to another comonomer, the activator concentration, the ratio of an activator to selectivity control agent, the concentration of a chain transfer agent, and the retardant concentration. | 05-31-2012 |
20150120061 | MELT PROCESSABLE POLY(VINYL ALCOHOL) BLENDS AND POLY(VINYL ALCOHOL) BASED MEMBRANES - Technologies and implementations for providing melt processable poly(vinyl alcohol) blends and poly(vinyl alcohol) based membranes are generally disclosed. | 04-30-2015 |