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Class 422/134 - Including plural sequential reaction stages


Subclass of Class 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
Definition: Apparatus having multiple, serially disposed reaction stages
No. of patents: 244
Last issue date: 02/07/2012


1              
NumberTitleIssue Date
8110149Process for continuous preparation of high molecular weight polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acids with diols and/or mixtures thereof and an apparatus therefor
The present invention relates to a method for the continuous production of high-molecular polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acid esters with diols and/or mixtures thereof in the presence of catalysts with f...
02/07/2012
8066948Reactor for the continuous and simultaneous production of different polyester products having adjustable variable viscosity, the progress of the process being regulated via the hydraulic drive system
A device for degassing a flowable, viscous and pasty product includes a reactor having a product inlet and a product discharge outlet. A plurality of rotors each defining a reaction zone are located side-by-side in the reactor and a separate driving system mounted o...
11/29/2011
7931872Polymerization processor
A polymerization processor synthesizes a high quality polymer from a raw material in a molten state. Lactide sent from an apparatus for supplying lactide 1 is heated and molten in an apparatus for melting lactide 2, and a catalyst is added to the lacti...
04/26/2011
7435784Method of ethylene polymerization for producing products having various properties with high productivity and a tubular reactor used therefor
A method for continuous ethylene polymerization under high pressure using a polymerization reaction zone comprises a primary reaction zone and a secondary reaction zone wherein the secondary reaction zone has a length of 1.5-6.5 times the length of the primary react...
10/14/2008
7431893Process 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
7341872Multiautoclave with set of vessels for combinatorial synthesis of zeolites and other materials
A vessel arrangement having a base and multiple vessels suited for simultaneously conducting a plurality of isolated experimental reactions or treatments at atmospheric process conditions or elevated temperatures and pressure condition has been developed. A componen...
03/11/2008
7335513Apparatus and methods for parallel processing of multiple reaction mixtures
A parallel reactor system including a reactor and vessels in the reactor for holding reaction mixtures, and a cannula for introducing fluid reaction material into the vessels. A robot system is operable to insert the cannula into cannula passages in the reactor for ...
02/26/2008
7337074Method and apparatus for determining the mass of portioned units of active substances
A method and the apparatus for determining the mass of portioned units of active substances, in particular capsules, tablets or dragees, involves leading the units of active substances through a microwave resonator and determining the mass from the displacement of t...
02/26/2008
7304153Polyol polyester synthesis
Polyol polyesters useful as nondigestible fat substitutes are prepared by improved heterogeneous interesterification processes between fatty acid esters of easily removable alcohol and polyol characterized by having one or more improvements such as using low levels ...
12/04/2007
7288411Process for simultaneously evaluating a plurality of catalysts
A process for simultaneously testing a plurality of catalysts using combinatorial chemistry has been developed. The process involves containing the plurality of catalysts in an array of parallel reactors with each reactor containing a bed of catalyst. Each bed of ca...
10/30/2007
7284897Extruder 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
7268194Continuous slurry polymerization process and apparatus
A process of converting a loop reactor into multiple loop reactors comprising starting with a loop reactor comprising at least 8 vertical legs, at least two non-vertical conversion runs, each non-vertical run connected in fluid flow communication with two vertical l...
09/11/2007
7256044Elevated pressure apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, sampling the resulting...
08/14/2007
7253228Method 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
7247337Method and apparatus for microarray fabrication
The invention provides a method and apparatus for micro array fabrication exclusive from the impact of a gas. A housing with a gas free chamber provides for improved micro array fabrication with a lower defect rate. The invention provides a housing that excludes a g...
07/24/2007
7247277Automatic synthesis machine
An automatic synthesis machine is used for synthesis of compounds using a plurality of vessels, allowing reagents to chemically react with each other. The automatic synthesis machine comprises a selection means for selecting a specific vessel among a plurality of ve...
07/24/2007
7238321Method for rapid thermal cycling of biological samples
A thermal cycling method and device is disclosed. The device comprises a sample chamber whose temperature can be rapidly and accurately modulated over a range of temperatures needed to carry out a number of biological procedures, such a DNA polymerase chain reaction...
07/03/2007
7220392Fuel 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
7204962Production apparatus for polybutylene terephthalate
Polybutylene terephthalate having good heat stability and excellent hydrolysis resistance is continuously produced in a series of a first reactor for reacting an aromatic dicarboxylic acid comprising terephthalic acid as a main ingredient or a derivative thereof wit...
04/17/2007
7196140Highly flowable propylene block copolymers
The invention relates to highly flowable propylene block copolymers that comprise 50 to 80 wt.-% of a propylene homopolymer and 10 to 70 wt.-% of a propylene copolymer having 5 to 50 wt.-% of a C2–C8 alk-1-ene polymerized into it that is diff...
03/27/2007
7192558Multi-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
7172732High pressure parallel reactor with individually isolatable vessels
An apparatus and method for synthesis and screening of materials are disclosed. According to one aspect of the present invention, a parallel batch reactor for effecting chemical reactions includes a pressure chamber, and a plurality of reaction wells. Each of the re...
02/06/2007
7165881Methods and apparatus for high-shear mixing and reacting of materials
Methods and apparatus for high shear reacting and/or mixing of moving fluid streams of materials employ an interdiffusing and reacting zone formed in the space between two stationary surfaces, the surfaces being spaced apart a maximum distance of the sum of the thic...
01/23/2007
7150998Multi-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
7141218High pressure parallel reactor with individually isolatable vessels
An apparatus and method for synthesis and screening of materials are disclosed. According to one aspect of the present invention, a parallel batch reactor for effecting chemical reactions includes a pressure chamber, an inlet port, and two or more reaction vessels w...
11/28/2006
7141217Elevated pressure apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, sampling the resulting...
11/28/2006
7129092Apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, simultaneously samplin...
10/31/2006
7122159High pressure parallel reactor with individually sealable vessels
An apparatus and method for synthesis and screening of materials are disclosed. According to one aspect of the present invention, a parallel batch reactor for effecting chemical reactions includes a pressure chamber, an inlet port, two or more reaction vessels withi...
10/17/2006
7115231Parallel reactor with knife-edge seal
An apparatus for use in parallel reaction of materials. The apparatus includes a base having a plurality of reaction wells formed therein and a sealing device positioned over the reaction wells for individually sealing each of the reaction wells. One of the sealing ...
10/03/2006
7112449Combinatorial chemical synthesis
Combinatorial synthesis methods obtain a plurality of compositions having materially different characteristics using an apparatus having a plurality of collectors. A first quantity of fluid reactants are reacted to form a first quantity of product composition. Follo...
09/26/2006
7098360Processes employing multiple successive chemical reaction process steps and apparatus therefore
The invention provides processes and apparatus for the production of materials requiring a plurality of chemical reaction steps. In the prior art the number of reaction vessels is minimized by performing two or more reactions together in the same vessel. Instead eac...
08/29/2006
7080935Multi-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
7074368Batch-type polyester polymerization apparatus
A batch-type polyester polymerization apparatus manufactured by assembling a conventional batch-type apparatus with a thin film tower. The batch-type polyester polymerization apparatus is advantageous in that oligomer is polymerized while forming a polyester thin fi...
07/11/2006
7070999Apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating and processing a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, sequent...
07/04/2006
7060852Method for producing alkyl aryl sulphonates
The invention relates to a process for the preparation of alkylarylsulfonates by a) reaction of a C4-olefin mixture over a metathesis catalyst for the preparation of an olefin mixture comprising 2-pentene and/or 3-hexene, and optional removal...
06/13/2006
7057007Process for continuously producing polybutylene terephthalate
Polybutylene terephthalate having good heat stability and excellent hydrolysis resistance is continuously produced in a series of a first reactor for reacting an aromatic dicarboxylic acid comprising terephthalic acid as a main ingredient or a derivative thereof wit...
06/06/2006
7048892System and apparatus for high-pressure, high throughput chemical synthesis
A system for automated high-pressure synthesis and more particularly a high-pressure reactor assembly comprises a reaction block and a pressure manifold for the introduction of pressure to the reaction wells of a reaction block. The reactor includes one or more pres...
05/23/2006
7045101Method of preparing a polymer under predetermined temperature conditions, and apparatus therefor
A method of preparing a polymer under predetermined temperature conditions comprises conducting the polymerization within a closed reaction chamber configured such that most or all of an inner surface has heat exchange capability. The chamber's dimensions are such t...
05/16/2006
7040798Ring extruder feed
The invention relates to a multi-screw extruder for the continuous treatment and/or processing of a bulk material, especially a product in powder, granular or flake form, comprising several shafts (3) which are arranged in a ring shape in a cavity (1) ...
05/09/2006
7033840Reaction calorimeter and differential scanning calorimeter for the high-throughput synthesis, screening and characterization of combinatorial libraries
Workstation, apparatuses and methods for the high-throughput synthesis, screening and/or characterization of combinatorial libraries. The invention relates to an array, which permits various high-throughput methods for synthesis, screening and/or characterization in...
04/25/2006
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