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Liquid Purification Or Separation > Processes > Liquid/liquid Solvent Or Colloidal Extraction Or Diffusing Or Passing Through Septum Selective As To Material Of A Component Of Liquid; Such Diffusing Or Passing Being Effected By Other Than Only An Ion Exchange Or Sorption Process > Liquid/liquid Or Gel Type (i.e., Jellylike) Chromatography

Liquid/liquid Or Gel Type (i.e., Jellylike) Chromatography

Liquid/liquid Or Gel Type (i.e., Jellylike) Chromatography patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

11/06/14 - 20140326664 - Select valve for liquid chromatography
A liquid chromatography system includes a pumping system with a selector valve in fluidic communication with a pump inlet. The selector valve switches between a first position, in which the selector valve fluidically couples a solvent reservoir to the pump inlet, and a second position, in which the selector valve...

10/23/14 - 20140311977 - Use of organic solvent nanofiltration and liquid-liquid chromatography for the recovery of pharmaceutical products
A process for separating a compound from solution in organic solvent by a chromatographic process, in particular liquid-liquid chromatography, in which prior to the chromatographic process the composition of the solution is changed by means of a process of organic solvent nanofiltration for a solvent exchange. Additionally or alternatively subsequent...

10/09/14 - 20140299542 - Method and system for liquid chromatography fluidic monitoring
A method for monitoring a fluidic system of a liquid chromatography system is characterized by: (a) drawing a fluid into a syringe pump; (b) configuring a valve so as to fluidically couple the pump to either a fluidic pathway through the fluidic system or to a plug that prevents fluid...

08/28/14 - 20140238935 - Mixed-mode chromatography membranes
Described are composite materials and methods of using them for mixed-mode chromatography. In certain embodiments, the composite material comprises a support member, comprising a plurality of pores extending through the support member; and a multi-functional cross-linked gel. The multi-functional cross-linked gel possesses at least two of the following functions or...

06/12/14 - 20140158615 - Prefilled liquid cartridge for the supply of a sample separation device with an operating liquid
Prefilled liquid cartridge for fluidically connecting to a sample separation device for separating of components of a fluidic sample by using liquid of the liquid cartridge, wherein the liquid cartridge comprises a liquid container which is prefilled with liquid and a liquid removal access provided at the liquid container, adapted...

05/22/14 - 20140138312 - Reducing dispersion due to vias in planar microfluidic separation devices
A planar microfluidic chemical separation device includes a separation channel that is located in the plane of the device. The device also includes one or more vias situated perpendicular to the separation channel. The vias extends between the separation channel and an outer surface of the substrate for fluid communication...

05/15/14 - 20140131276 - Device and method for restoration of the condition of blood
The present invention relates to a device for extracorporeal removal of harmful agents from blood or blood com-Components, comprising full length heparin immobilized on a solid substrate by covalent end point attachment. The present invention also relates to a method for extracorporeal removal of a harmful agent from mammalian blood...

05/15/14 - 20140131277 - Closed loop flow control of a hplc constant flow pump to enable low-flow operation
A method and apparatus for monitoring and controlling nano-scale flow rate of fluid in the operating flow path of a HPLC system provide fluid flow without relying on complex calibration routines to compensate for solvent composition gradients typically used in HPLC. The apparatus and method are used to correct the...

05/01/14 - 20140116940 - Removal of elements from aqueous fluids
Methods of removing ions from an aqueous fluid can comprise increasing the pH of the aqueous fluid and contacting the aqueous fluid with anion exchange materials....

05/01/14 - 20140116941 - Method for removing biopolymer aggregates and viruses from a fluid
The present invention relates to a method for removing biopolymer aggregates and viruses from a fluid. In a first step, the biopolymer aggregates are selectively removed by filtration through a porous, polyamide-comprising shaped body having a native surface. In a second step, the biopolymer aggregate-free fluid is filtered through at...

04/03/14 - 20140091036 - Countercurrent chromatography rotor
A method for constructing a spiral tube support apparatus used in countercurrent chromatography, improvements to countercurrent chromatography tube support design, and methods of using the improved countercurrent chromatography apparatus are described. The spiral tube support apparatus may be constructed by a shape forming process such as a three dimensional printing...

03/06/14 - 20140061128 - Mobile phase preparation device for liquid chromatography
A mobile phase delivery device for use with high pressure liquid chromatography includes a manifold having a plurality of inlets, wherein each inlet is fluidly coupled with a solvent source. The manifold further has a mobile phase outlet that outputs a mobile phase, composed of solvent or solvent mixture, onto...

02/20/14 - 20140048481 - Integrated chromatography devices and systems for monitoring analytes in real time and methods for manufacturing the same
Systems and methods for monitoring analytes in real time using integrated chromatography systems and devices. Integrated microfluidic liquid chromatography devices and systems include multiple separation columns integrated into a single substrate. Using such a device, parallel analysis of multiple samples can be performed simultaneously and/or sequential analysis of a single...

11/21/13 - 20130306558 - Method and apparatus for reaction chromatography
An apparatus for reaction chromatography comprising: a chromatography column, the column having a fluid outlet for an eluate flow, wherein the fluid outlet is configured with two or more fluid ports, the two or more fluid ports comprising one or more reactant ports, wherein each reactant port is for connecting...

10/24/13 - 20130277303 - Sub-2 micron chiral stationary phase separation agent
The present invention relates to a porous sub-2 chiral stationary phase agent that provides stability and increased productivity for chiral separation using HPLC and UHPLC methods. It was surprisingly discovered that highly stable and backpressure resistant coated and at least partially covalently bonded chiral stationary phase agents having an average...

10/24/13 - 20130277304 - Sub-2 micron chiral stationary phase separation agents for use with supercritical fluid chromatography
The present invention relates to chiral separation column for use with supercritical fluid chromatography (SFC) containing a porous sub-2 chiral stationary phase agent that offered significant savings in run times and solvent use over the more conventional chiral columns using SFC methods. It was surprisingly discovered that SFC columns containing...

09/05/13 - 20130228513 - Gradient separation method transfer for liquid chromatography systems
Described is a method of transferring a gradient separation method to a liquid chromatography system. A value of a delivered gradient slope for a gradient separation method performed on a first liquid chromatography system is determined based on a value of a programmed gradient slope for the gradient separation method...

08/22/13 - 20130213884 - Chromatography system with guard columns
A chromatography system with a main column comprising a chromatography resin, a first guard column and a second guard column, wherein the first guard column is connected to a first end of the main column, the second guard column is connected to a second end of the main column and...

05/24/12 - 20120125843 - Methods and materials for performing hydrophobic interaction chromatography
A method for performing hydrophobic interaction chromatography includes providing at least one wall defining a chamber having an inlet and an exit, and a stationary phase disposed within the chamber. The stationary phase comprises particles or monolith having a hydrophobic surface and a hydrophilic ligand. The method also includes loading...

05/24/12 - 20120125844 - Removal of organic dyes and organic pollutants by titanium peroxide gel
The one step process of removal of chromophore/dye/organic pollutant from a solution comprising a polymer free titanium oxide gel i.e. high zeta potential is disclosed. The concentration of the chromophores is removed up to 95-100%....

02/16/12 - 20120037564 - Methods and systems for reducing viral load of hepatitis c virus in hemodialysis patients
The present technology relates to methods and systems for the removal of pathogens and fragments thereof in hemodialysis patients. In particular, methods and systems are described where lectins can be used to remove the Hepatitis C virus and fragments thereof in hemodialysis patients, and to provide a sustained reduction in...

01/05/12 - 20120000850 - Sol-gel monolithic column with optical window and method of making
A method of preparing a sol-gel monolithic column includes the step of forming a separation bed (14) from a sol-gel solution in a single process step. This column has improved characteristics for CEC based on its incorporated surface charge and ease of operation due to a lack of or need...

08/04/11 - 20110186511 - Liquid chromatography apparatus and liquid chromatography
A liquid chromatography apparatus is provided with a sample preparation unit, a column that separates components of a sample, an eluent supplier that includes a feeder for supplying eluents to the column, a flow path directional valve capable of introducing fixed amounts of the sample and the eluents to the...

02/24/11 - 20110042310 - Method and device for chromatographic purification
A process for continuous or quasi-continuous purification of a multi-component mixture (F) by means of individual chromatographic columns through which the mixture is fed by means of at least one solvent(s). The multi-component mixture (F) at least comprises light impurities (A), an intermediate product (B) to be purified and heavy...

12/30/10 - 20100326909 - Manipulation of magnetic microparticles in a high pressure liquid system and extraction process
Described are a device and a method for the manipulation of a liquid sample material in which magnetic microparticles are suspended whereby the microparticles have a functionalized surface and an analyte is bound to the surface. The sample material is introduced into a device with a liquid system through an...

12/09/10 - 20100307972 - Selective sulphate removal by exclusive anion exchange from hard water waste streams
The invention provides waste water treatment processes utilizing an ion exchange resin to remove sulphate anions, while adjusting the pH of the ion exchange loading solution with carbon dioxide gas. The effect of the resin loading reactions is that dissolved sulphate is replaced with sequestered carbon dioxide gas, in the...

11/25/10 - 20100294716 - Templated native silk smectic gels
One aspect of the present invention relates to a method of preparing a fibrous protein smectic hydrogel by way of a solvent templating process, comprising the steps of pouring an aqueous fibrous protein solution into a container comprising a solvent that is not miscible with water; sealing the container and...

11/18/10 - 20100288699 - Purification of water from cooling towers and other heat exchange systems
The amount of silica in cooling tower water is reduced by passing cooling tower water through a column of silica gel....

09/02/10 - 20100219127 - Control system and method for flash separation
Provided are methods and apparatus for determining conditions for performing chromatography, particularly flash chromatography. The methods may be utilized for separating compounds in a sample in a column chromatography system. The method includes determining at least two retention factors corresponding to the TLC performance of a target compound and an...

08/05/10 - 20100193434 - Countercurrent tangential chromatography methods, systems, and apparatus
This invention relates to a breakthrough in the art of chromatography allowing 1) larger scale of operation; 2) faster processing time; 3) disposability; 4) reduction of media/resin expenses; and 5) a reduction of capital equipment investment. In this invention, the chromatography column is replaced by a module that consists of...

04/29/10 - 20100101996 - Boron-removing agent and boron removal method utilizing xerogel
Disclosed is a boron removal method which can remove boron from boron-containing water satisfactorily by using a small amount of a chemical agent, and which generates small amount of precipitate. Also disclosed is a boron-removing agent which is easy to handle and has excellent boron-adsorption ability. A xerogel of an...

04/01/10 - 20100078382 - Continuous collection method of particle component in aqueous solution and apparatus therefor
The particle components may be collected by using a phenomenon that the particle components in the aqueous phase aggregate at the liquid-to-liquid interface. Both of the particle components and the dissolved components in the aqueous phase may be simultaneously collected if combined with liquid-liquid extraction phenomenon that the dissolved components...

03/18/10 - 20100065495 - Apparatus and methods for preparative liquid chromatography
A method of liquid chromatography includes providing one or more solvent reservoirs, providing a solvent pump, drawing one or more solvents into the pump in response to a pressure drop that promotes outgassing of the solvents, and dispersing outgassed bubbles into smaller bubbles to promote re-dissolution of the gas. A...

02/25/10 - 20100044308 - Open-cell foam modified with hydrophobines
Open-cell foam based on a melamine-formaldehyde condensation product, a polyurethane or a polyimide, which has been modified with hydrophobins, a method of producing such foams, and the use thereof for absorbing organic liquids, as leakage and bleeding protection for liquid stores, for liquid-liquid separation and as matrix for carrying out...

02/18/10 - 20100038313 - Method for purifying sialyllactose by chromatography
The application relates to a method for purifying sialyllactose by ion-exclusion chromatography of a solution containing the sialyllactose on a mainly manovalent strong cationic resin, Na or K, and obtaining a sialyllactose-enriched raffinate....

02/11/10 - 20100032372 - Use of a primary liquid filtration/stabilization installation for triple purpose
The present invention relates to a primary liquid filtration/stabilization installation comprising in combination, a liquid in-feed line, a conventional dosing tank system for single use filter-aid and/or stabilization-aid, and an alternate dosing/storage tank system for regenerable filter-aid and/or stabilization-aid, wherein the installation is adapted to selectively operate one or the...

01/28/10 - 20100018920 - Reaction and separation methods
A method of separating compounds that includes the steps of: tagging at least a first organic compound with a first tagging moiety to result in a first tagged compound; tagging at least a second organic compound with a second tagging moiety different from the first tagging moiety to result in...

01/21/10 - 20100012584 - Method for enriching one or more compounds of a mixture using a liquid mobile phase containing a gas
The object of the invention is a method for enriching by chromatography of one or more compounds of a mixture in at least one column using an eluent, characterized in that a liquid mobile phase containing dissolved gas is used as eluent. A further object of the invention in the...

01/14/10 - 20100006501 - Method for separation
The invention relates to a method for separation of elements from a fluid using affinity-bearing particles suspended in the fluid and using ultrasonic standing waves and micro-fluidics. The method includes the steps of: mixing said fluid mixture with particles (10) having affinity to at least one element (9) to be...

12/31/09 - 20090321353 - Method and device for extracting bitterness from beer
A method for liquid-liquid extraction comprises introducing a first liquid into a container (16) and introducing a second liquid into the container (16). The second liquid is substantially immiscible with the first liquid and a one of the first and second liquid contains a substance to be extracted and the...

09/10/09 - 20090223893 - Method and device for desalting an analyte
The invention provides gel filtration columns for the purification of an analyte (e.g., a biological macromolecule, such as a peptide, protein or nucleic acid) from a sample solution, as well as methods for making and using such columns. The columns typically include a bed of gel filtration media positioned above...

08/20/09 - 20090206034 - Modified silica gel and use thereof
wherein each X2 is the same or different, and is a hydrogen atom, a halogen atom, or a C1-C4 alkoxy group; each R1 is the same or different and is a C1-C30alkyl group; and m is an integer from 1 to 10....

08/13/09 - 20090200232 - Process for absorption-based separation of bioparticles from an aqueous suspension
b) liberating said bioparticle from said macroporous cryogel monolith by elution, wherein said macroporous cryogel monolith is subjected to a physical deformation in conjunction with exposure to eluting medium....

04/16/09 - 20090095676 - Carrier for liquid chromatography, chromatographic columns packed with the carrier, and method of separation of organic substances with the columns
wherein R1 represents alkyl having from 1 to 3 carbon atoms, and R2 a divalent hydrocarbon group having from 1 to 10 carbon atoms....

04/16/09 - 20090095677 - Application using non-covalent bond between a cucurbituril derivative and a ligand
Provided are a kit including a first component that is a compound of formula (1) below bound to a first material and a second component that is a ligand bound to a second material, wherein each of the first and second materials is independently selected from the group consisting of...

03/26/09 - 20090078649 - Method for selective removal of cadmium
A method for selective removal of cadmium from a feed solution also containing other metals such as nickel (Ni) and/or cobalt (Co), utilizing a thiourea based ion exchange resin, and a method for eluting cadmium adsorbed on the thiourea based resin....

02/05/09 - 20090032461 - Method for separating polymer systems and pore-free polymer films used in said method
The invention pertains to a separation of polymer systems by means of permeation through polymer films—semi-crystalline, cross-linked, amorphous—with thicknesses in a nanometer scale. The restriction to thicknesses in a nanometer scale is essential for a high throughput of polymers. Of particular significance is the selectivity towards colloidal additives with a...

02/05/09 - 20090032462 - Method for the extraction of components made from organic material
The present invention relates to a process for extracting constituents from organic material, comprising the step of extracting with a monophasic mixture of 50% by volume to 90% by volume of methanol and 50 to 10% by volume of water and optionally 0% by volume to 40% by volume of...

02/05/09 - 20090032463 - Composite materials comprising supported porous gels
This invention relates to a composite material that comprises a support member that has a plurality of pores extending through the support member and, located in the pores of the support member, and filling the pores of the support member, a macroporous cross-linked gel. The invention also relates to a...