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| Number | Title | Issue Date |
| 8105540 | Method of treating polymer compound and treatment system for the same A method of treating a polymer compound has the steps of: mixing and agitating the polymer compound and a chemical agent in an extruder while controlling the inside of the extruder to be kept at a high temperature and a high pressure to have a reaction mixture conta... | 01/31/2012 |
| 7964152 | End reactor The present invention relates to a reactor apparatus for free-flowing media, especially for polymers, for polycondensation of polyesters, comprising a rotor which rotates in a reactor casing having an inlet and outlet, said rotor being supported horizontally via a s... | 06/21/2011 |
| 7892497 | Organic synthesizer To provide an organic synthesizer that can conduct a pressure reaction and an atmospheric reaction in one organic synthesizer and can realize attachment of reaction vessels to the organic synthesizer and detachment of the reaction vessels from the organic synthesize... | 02/22/2011 |
| 7883671 | Process and apparatus for manufacturing a styrene polymer in a mechanically stirred reactor Process and apparatus for the (co) polymerization of styrene. The process is carried out by employing a liquid polymerization reaction mixture that includes styrene, in a mechanically stirred reactor in the form of a vessel comprising a side wall having the shape of... | 02/08/2011 |
| 7678340 | Esterification and transesterification systems, methods and apparatus Esterification and transesterification methods, systems and apparatus are disclosed which increase the efficiency of esterification reactions. The methods comprising utilizing an annular gap reactor comprises a rotor rotating within a stator to provide an annular fl... | 03/16/2010 |
| 7550116 | Method for producing polyesters and a disk ring reactor for the method The invention relates to a method and a device for producing polyesters such as for example polyethylene terephthalate, polypropylene terephthalate and polybutylene terephthalate from precondensates. According to said method, vapors comprising precondensate componen... | 06/23/2009 |
| 7431893 | Process and apparatus for continuous polycondensation An apparatus for continuously producing polyester comprises three single reactors, i.e. a single esterification reactor (first reactor), a single initial polymerization reactor (second reactor) and a single final polymerization reactor (third reactor or final polyme... | 10/07/2008 |
| 7410620 | Apparatus for continuous production of polymers in carbon dioxide A method for carrying out the continuous polymerization of a monomer in a carbon dioxide reaction medium comprises the steps of: (a) providing an apparatus including a continuous reaction vessel and a separator; (b) carrying out a polymerization reaction in the reac... | 08/12/2008 |
| 7407631 | Apparatus and method for agitating a sample during in vitro testing In an apparatus and method for agitating a sample during dissolution or other in vitro testing, a movable component is disposed in a container for reciprocating or rotating a sample carrier such as a dosage form or stent through a medium in the container. The appara... | 08/05/2008 |
| 7384608 | Batchwise heating apparatus and method of drying a polyamide Described is an apparatus for the purpose of drying or solid phase polymerization of Polymer particles by batchwise heating the same in an atmosphere of inert gas or under reduced pressure. More particularly, described is batchwise heating apparatus which is capable... | 06/10/2008 |
| 7381788 | Method for continuous production of polyamide Provided is a continuous production method of a polyamide with stabilized polymerization degree and good quality, particularly an aromatic-containing polyamide. A continuous production method of a polyamide, comprising (a) a raw material preparation step of individu... | 06/03/2008 |
| 7351776 | Bulk polymerization process A method for the continuous production of polydienes, the method comprising the steps of (a) charging a mixture of one or more monomer, catalyst system, and less than 50% weight percent organic solvent based on the total weight of the monomer, catalyst and solvent, ... | 04/01/2008 |
| 7300538 | Spinning disk evaporator Liquid organic material is controllably delivered to a receptacle located in the center of a heated surface capable of horizontally rotating about its central axis. As the heated surface rotates, material deposited within the central receptacle is forced outwardly a... | 11/27/2007 |
| 7284897 | Extruder for continuously working and/or processing flowable materials An extruder has at least three parallel, co-rotating shafts disposed in a cavity therein along a circle. The shafts are equipped with screw elements closely intermeshing over their whole circumference. At least one screw element is formed as a passage screw element ... | 10/23/2007 |
| 7279535 | Method for the continuous production of polymers made of vinyl compounds by substance and/or solvent polymerization Production of vinyl polymers by the polymerization of vinyl monomers in a planetary gear extruder. ... | 10/09/2007 |
| 7279545 | Production method of biodegradable plastic and apparatus for use in production thereof The present invention provides a production method of biodegradable plastic in which polylactic acid is directly synthesized from lactic acid without employing the conventional route of polylactic acid synthesis from lactic acid via lactide, and apparatus for use in... | 10/09/2007 |
| 7276154 | Settling grid separator A settling grid separator apparatus and method of use which provides deep dehydration of high flow rate sludge in an environmentally friendly and energy efficient manner. The apparatus and method comprise and utilize an efficient mixing of the sludge with a floccula... | 10/02/2007 |
| 7270791 | Angular flow distribution bottom head An improved angled annular deflector for a gas-phase polymerization reactor and improved method for delivery of a stream of polymerizable fluid to a gas-phase polymerization reator. The angled annular deflector has an outer surface with a conical shape, an inner sur... | 09/18/2007 |
| 7261863 | Closed loop continuous polymerization reactor and polymerization process A closed loop continuous emulsion polymerization apparatus at least comprising a circulation pump, a reactor tube which connects the outlet of the circulation pump to its inlet, at least one feed for supplying raw materials, an outlet, and means for cooling the tube... | 08/28/2007 |
| 7253228 | Method for producing polyurethane emulsion The present invention provides a process for producing a polyurethane emulsion, capable of continuously producing a polyurethane emulsion which contains substantially no organic solvent and also has excellent storage stability over time. Disclosed is a process for p... | 08/07/2007 |
| 7247202 | Process for the conversion of a fluid phase substrate by dynamic heterogeneous contact with a solid agent A process for the conversion of a substantially fluid phase substrate by heterogeneous contact of the substrate or a fragment or derivative thereof with a substantially solid phase agent wherein the solid phase agent is comprised as a surface of a support element or... | 07/24/2007 |
| 7230037 | Method for mixing a polyol component and an isocyanate component The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer. ... | 06/12/2007 |
| 7223470 | Drawn gel-spun polyethylene yarns Drawn multi-filament polyethylene yarns and articles thereof having unique signatures in dynamic mechanical analysis reflective of unique microstructures, and having superior ballistic resistant properties. ... | 05/29/2007 |
| 7220392 | Fuel conversion reactor A fuel conversion reactor includes a shell-and-tube heat exchanger for controlling the temperature of a hot gaseous mixture produced by catalytic or non-catalytic reaction of a fuel with a gaseous fluid, and for controlling the temperature of the gaseous fluid and/o... | 05/22/2007 |
| 7214760 | Process for production of a carboxylic acid/diol mixture suitable for use in polyester production The present invention relates to a process by which a carboxylic acid/diol mixture is obtained from a slurry or cake carboxylic acid product without isolation of a substantially dry carboxylic acid solid. More specifically, the present invention relates to a process... | 05/08/2007 |
| 7192989 | Method and expansion device for preparing expanded thermoplastic microspheres The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating feeding means enveloped by a hollow body, and one or more scrapers. The inv... | 03/20/2007 |
| 7192558 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 03/20/2007 |
| 7179426 | Large catalyst activator A catalyst activator vessel for heat conditioning a catalyst is disclosed. The activator vessel includes inner and outer vessels, a perforated, normally generally horizontal grid plate within the inner vessel, and a fluid path extending through the grid plate within... | 02/20/2007 |
| 7157283 | Continuous process for the production of combinatorial libraries of modified materials A system is provided wherein a devolatilizing reactor is used to make combinatorial libraries of materials. Examples of suitable reactors include continuous high viscosity devolatilizers and continuous devolatilizing kneaders. ... | 01/02/2007 |
| 7153480 | Apparatus for and method of producing aromatic carboxylic acids A reactor for the oxidation of a precursor to an aromatic carboxylic acid or ester thereof in a liquid phase reaction mixture is disclosed. The reactor comprises an elongate vessel, substantially vertical in use, having an upper mixing element and a lower mixing ele... | 12/26/2006 |
| 7153929 | Copolymers, devoid of rubber, with low residual monomer content and a method and device for producing the same Rubber-free copolymers of unsaturated monomers selected from the group comprising styrenes and vinyl cyanides are disclosed. The copolymers that contain 65 to 80 wt. %, of styrene and 20 to 35 wt. % of acrylonitrile are characterized in their low content of residual... | 12/26/2006 |
| 7150998 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 12/19/2006 |
| 7144981 | Process for separating volatile components from polymers A process for concentrating polymers by evaporation is disclosed. The process entails (i) obtaining a mixture containing a polymer and volatile component, the volatile components being present in the mixture at an amount less than 20 wt. % relative to the weight of ... | 12/05/2006 |
| 7137730 | Electrographic ribbon blender and method According to the various aspects of the invention, a method and apparatus for mixing electrographic developer is provided. An elongate shaft having two ends and an intermediate location between the two ends is rotated. Developer is moved away from the intermediate l... | 11/21/2006 |
| 7138478 | Process for mixing polymer melts with additives A continuous process for mixing polymer melts with additives, in particular polycarbonate melts with additives in liquid form, in solution or in dispersion is described. The additives are added to a main stream of polymer melt and are then mixed, preferably directly... | 11/21/2006 |
| 7135541 | Polyester process using a pipe reactor There are disclosed polyester processes using a pipe reactor and corresponding apparatuses. In particular, there are disclosed processes and corresponding apparatuses including an esterification pipe reactor operated in an upflow or downflow mode, especially in a re... | 11/14/2006 |
| 7132531 | Reactor A reactor vessel for carrying out solid phase synthesis, particularly the solid phase synthesis of oligonucleotides, peptides, and combinatorial chemistry is provided. The reactor vessel comprises two or more orifices spaced from one another through which liquids wi... | 11/07/2006 |
| 7115235 | Rotating surface of revolution reactor with temperature control mechanisms A reactor including a rotatable disc (3) having first (5, 19) and second (20, 30) surfaces. Reactant (15) is supplied to the first surface (5, 19) by way of a feed (4), the disc (3) is rotated at high speed, and the r... | 10/03/2006 |
| 7087204 | Reaction unit A reactor which is a reactor (4) in the form of a cylindrical vessel having a liquid inlet and a liquid outlet and elongated in a flowing direction, comprising, in the interior, a drive shaft (6) coaxial with the reactor, one or more stages of plate-sh... | 08/08/2006 |
| 7080935 | Multi-screw extruder The invention relates to a multi-shaft extruder for the continuous treatment and/or processing of bulk material, especially a powdery, granular or flocculent product, comprising a plurality of shafts (3) which are arranged in a crown-like manner in a cavity (... | 07/25/2006 |
