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7473368 Simulated moving bed separation process and device  
A simulated moving bed (SMB) separation device comprises at least one column, beds of adsorbent arranged in this column, trays Pi with a chamber Ci for distribution and extraction of fluids, a...
7413660 Single pass method and apparatus for separating a target molecule from a liquid mixture  
A single pass simulated moving bed apparatus and methods are described for continuously separating a target molecule from a liquid mixture, using a simulated moving bed system. The simulated moving...
7410586 Purification or work-up on ionic liquids by means of adsorptive separation processes  
Process for the work-up of a mixture comprising ionic liquids and a further substance, wherein the substance present is separated off by means of adsorptive separation processes.
7407586 Chromatographic separation  
The invention relates to an equipment for fractionating a solution by a sequential SMB process, which equipment comprises a feed column and one or several other columns, which include a...
7402250 Equipment and method for feeding liquid gradient in nano/micro liquid chromatography  
It is an object of the present invention to improve the performance of gradient liquid transfer in nano/micro liquid chromatographs when solvents are mixed. In a gradient liquid transfer device...
7399898 Simulated moving bed adsorptive separation process for preventing increase in pressure drop and system thereof  
Disclosed is a simulated moving bed (SMB) adsorptive separation system in which at least one component of a fluid mixture is brought into contact with a solid adsorbent and the adsorbed component...
7399415 Parking a sample stream and suppressing the sample  
Pretreatment method and apparatus to remove matrix ions from a liquid sample, prior to separation of the sample analytes (e.g. by chromatography), by flowing the liquid sample into a sample...
7396469 Backflow prevention for high pressure gradient systems  
Gradient performance with high pressure gradient solvent delivery system is optimized by approximation of infinite stroke volume of high pressure pumps by the addition of pulse dampening with...
7390412 Method of managing the valves of a simulated moving bed separation system  
A method of managing the valves of a simulated moving bed separation system comprising at least one column of adsorbent beds split into several zones delimited by injection and draw-off points,...
7361273 Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof  
The present invention relates to a method of separating sugars and sugar alcohols from each other. More particularly the present invention relates to the use of a weakly basic anion exchange resin...
7361269 Fraction collector with adjustable tray  
A fraction collector comprising a movable tray is provided. The movable tray may be attached to the fraction collector support system in a variety of ways and adjusted without adjusting the parts...
7347936 Liquid chromatograph  
A liquid chromatograph has switching valves as a flow passage switching mechanism and an automatic sampler as an injection section. The liquid chromatograph can switch, by switching the switching...
7332087 Flow sensing apparatus used to monitor/provide feedback to a split flow pumping system  
A method and apparatus for monitoring and controlling the nano-scale flow rate of fluid in the operating flow path of a HPLC system without relying on a nano-scale sensor in the operating flow...
7314567 Method for transferring heterogeneous liquids in microchannels without the occurrence of mixing  
In the method for mixing-free transport of homogeneous liquids in microchannels a heterogeneous liquid flow ( 14 ) is autonomously divided into portions, transported over a distance and then...
7314551 Flow distribution apparatus  
Disclosed is a mixer-distributor-collector apparatus for use between beds of solid particles in a fluid-solid contacting vessel. The apparatus includes a solids retaining screen, fluid deflector,...
7306734 Method for separation of enantiomeric isomers by simulated moving bed chromatography  
The present invention provides a method having a high productivity for preparative separation by simulated moving bed chromatography. That is, in a filler for enantiomeric isomer separation by...
7288200 System for injecting a by-pass fluid in a separation method in a simulated moving bed  
Device and process for separating at least one compound from a mixture in a simulated moving bed, comprising: an enclosure comprising several absorbent beds, two adsorbent beds being...
7285219 Chromatographic separation member and method  
There is described a chromatographic separation member including a substrate carrying on at least one surface a thin layer of a chromatographically active capture material. Also described is a...
7229558 Chromatographic separation method  
A method for fractionating a solution into two or more fractions. More particularly the invention relates to a method for fractionating a solution by a chromatographic simulated moving bed (SMB)...
7229551 Diffusion promoting device for low flow velocity gradient high performance liquid chromatography  
Device for improving detection sensitivity in low flow velocity high performance liquid chromatographic apparatus. Preferredly, diffusion promoting device connected at just before separation column...
7220356 Method of purifying polypeptides by simulated moving bed chromatography  
Provided are methods of separating an immunoreactive compound from at least one immaterial component, using a simulated moving bed (“SMB”) system and a SMB apparatus for use in these methods....
7217360 Multi column chromatography system  
The present invention relates to a method and apparatus for chromatographically analyzing each of a plurality of samples in detector, comprising an autosampler to contain a plurality of samples for...
7192526 Method of optimizing the operation of a xylene separation unit using simulated countercurrent  
Method of optimizing the operation of a unit intended for separation of the components of a feed (xylenes) by simulated countercurrent in hybrid operating mode. The method allows to minimize the...
7189324 High-affinity, low molecular-mass displacers for ion-exchange chromotography  
A method for separating one or more components of a biomolecule mixture by means of an ion exchange chromatographic system operated in the displacement mode includes sequentially perfusing the...
7186336 Flow sensing apparatus  
A method and apparatus for monitoring and controlling the nano-scale flow rate of fluid in the operating flow path of a HPLC system. A first flow sensor is disposed in a first flow path between a...
7169308 Liquid chromatograph control apparatus, method for performing liquid chromatography and computer program for controlling a liquid chromatograph  
A liquid chromatograph control apparatus ( 1 ) includes a measured value storage ( 25 a ) that stores a measured retardation factor (Rf) value of a sample ( 3 ), which is obtained when components...
7144502 Chromatography system with gradient storage and method for operating the same  
In accordance with one aspect of the present invention, an ultra-high pressure chromatography system (UHPLC) is provided and includes a high pressure chromatography arrangement of equipment (HPLC...
7141172 Versatile simulated moving bed systems  
Distributed valve simulated moving beds are described in which junctions located between successive columns interrupt the flow of process fluid between columns, and either transmit the process...
7138518 Liquid chromatographic separation of polynucleotides  
In one aspect, the invention provides a method for separating a mixture of polynucleotides, such as DNA or RNA, including (a) applying the mixture to a polymeric separation medium having non-polar...
7138050 Fractionating/collecting device of liquid chromatograph  
In a preferred embodiment, a sample container storage part for storing a number of sample containers S, a nozzle for dropping a sample component separated and supplied by an LC and an additive...
7128833 Chromatographic separation  
The invention relates to an equipment for fractionating a solution by a sequential SMB process, which equipment comprises a feed column and one or several other columns, which include a...
7097770 Separation of plant oil triglyceride mixtures by solid bed adsorption  
A solid bed adsorptive process for separating a seed oil into two substantially pure triglyceride fractions. The process involves contacting a seed oil, such as castor oil, preferably as a...
7074334 Method for determining the binding behavior of ligands which specifically bind to target molecules  
The invention relates to a method for determining the binding behavior of ligands which specifically bind to target molecules at at least one binding site, whereby the markers are present in a...
7060188 Separation system and process  
The invention relates to a system and a process for fractionating a solution into two or more fractions. The system of the invention comprises at least two compartments having a diameter of at...
7022239 Method for fractionating liquid mixtures  
The present invention relates to a method of fractionating liquid mixtures or solutions, comprising the steps of subjecting a feed in the form of a liquid mixture or solution to a first...
7018540 Multi column chromatography system  
The present invention relates to a method and apparatus for chromatographically analyzing each of a plurality of samples in detector, comprising an autosampler to contain a plurality of samples for...
7015465 Parallel concentration, desalting and deposition onto MALDI targets  
A method and apparatus for the continuous deposition of RP HPLC eluent, from isocratic or gradient elutions, on to a MALDI target using a parallel sample desalting method, allows increased...
7001522 Systems for column-based separations, methods of forming packed columns, and methods of purifying sample components  
The invention encompasses systems for column-based separations, methods of packing and unpacking columns and methods of separating components of samples. In one aspect, the invention includes a...
6979402 Miniature actual moving bed assembly  
An apparatus is presented for separating chemicals using adsorption separation methods. The apparatus uses a plurality of adsorption units holding adsorbent, where the adsorption units positioned...
6969605 Miniature immuno-optical rapid analyte sensor platform  
A hand held, self-contained, automatic, low power and rapid sensor platform for detecting and quantifying a plurality of analytes. A sample solution potentially containing an unknown amount of an...
6946075 Purification of biological substances  
A process and apparatus for purifying one or more target substances from a source liquid, employing one or more cross-flow filter elements, and one or more types of chromatography resins, in...
6942793 Liquid chromatograph mass spectrometer  
A liquid chromatograph mass spectrometer comprises: a pump; a sample injector; a plurality of separation columns, including a first separation column and a second separation column; and mass...
6936174 Method for controlling an evaporative light scattering detector which is coupled to a liquid chromatography column  
Method allowing control of an evaporative light scattering detector which is coupled to a liquid chromatography column, substantially independently of the elution conditions for the chromatographic...
6929747 High-affinity, low-molecular-mass displacers for ion-exchange chromatography  
A method for separating one or more components of a biomolecule mixture by means of an ion exchange chromatographic system operated in the displacement mode includes sequentially perfusing the...
6926823 Polymer with superior polar retention for sample pretreatment  
A polymeric sorbent that can be employed in the extraction and purification of polar and nonpolar molecules from a complex media (e.g. pharmaceuticals from biological matrices) by solid phase...
6908557 Collection system for chromatographic system  
The present invention provides a method and device for collecting and concentrating a desired compound from a chromatographic column exit stream. The collection chamber can be heated or cooled and...
6896812 Process to compensate for a discrete non-separating section in simulated moving bed adsorptive separation processes  
Fluctuations, such as perturbations in the quality of the extract and/or raffinate streams removed from the circuit in a simulated moving bed (SMB) adsorptive process having at least one discrete...
6896811 Chromatographic separation method  
A method for fractionating a solution into two or more fractions. More particularly the invention relates to a method for fractionating a solution by a chromatographic simulated moving bed (SMB)...
6875349 Method for fractionating a solution  
A method for fractionating a solution into two or more fractions by a chromatographic simulated moving bed (SMB) process, wherein the separation system comprises at least two separation profiles in...
6872314 Dewatering process  
Disclosed is a process for dewatering an organic compound other than a carboxylic acid using a simulated moving bed (SMB) containing a solid with different absorptivities for water and the organic...
Matches 1 - 50 out of 431 1 2 3 4 5 6 7 8 9 >