Ernest G. Therkorn

US Patent 7086537 Extension and locking assembly for dripless element, and container therefore

US Patent 7087163 Integrated high throughput system for the analysis of biomolecules

US Patent 7087164 Integrated high throughput system for the analysis of biomolecules

US Patent 7087165 Integrated high throughput system for the analysis of biomolecules

US Patent 7090775 Separation agent for separating optical isomer and method for preparation thereof

US Patent 7094351 Purification of substances by reaction affinity chromatography

US Patent 7094352 Method and device for packing chromatography columns

US Patent 7101477 Liquid chromatography column having metal to metal seals

US Patent 7101484 Sr-90/Y-90 radionuclide generator for production of high-quality Y-90 solution

US Patent 7105087 Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials

US Patent 7112277 Methods and systems for separating constituents of a highly aqueous fluid

US Patent 7118671 Polycapillary chromatographic column and method of its manufacturing

US Patent 7125488 Polar-modified bonded phase materials for chromatographic separations

US Patent 7125489 HPLC column design and method of making same

US Patent 7125492 Additives for reversed-phase HPLC mobile phases

US Patent 7128833 Chromatographic separation

US Patent 7132046 Stainless steel tubing/frit with sintered inorganic particle, the chromatography comprising it, and their manufacturing method

US Patent 7132053 Protective device for the chromatographic bed in dynamic axial compression chromatographic columns

US Patent 7135111 Separation analyzer

US Patent 7138050 Fractionating/collecting device of liquid chromatograph

US Patent 7138051 Chromatography system, method and software for the separation of biomolecules

US Patent 7138061 Flash chromatography cartridge

US Patent 7138062 Mobile phase gradient generation microfluidic device

US Patent 7141160 Chiral columns with broad chiral selectivity

US Patent 7141161 Gradient pump apparatus

US Patent 7141172 Versatile simulated moving bed systems

US Patent 7144502 Chromatography system with gradient storage and method for operating the same

US Patent 7153421 Frit material and bonding method for microfluidic separation devices

US Patent 7156989 Separating agent including polysaccharide derivative having a polycyclic structure

US Patent 7157004 Freeze drying for gas chromatography stationary phase deposition

US Patent 7160449 Proline chiral columns with broad chiral selectivity

US Patent 7160462 Eluent for ion chromatography for measuring alkaline earth metal ions, and method for analyzing alkaline earth metal ions, employing it

US Patent 7163633 Affinity matrices with enhanced visibility for molecular pull-down and immunoprecipitation applications

US Patent 7166212 Multicapillary column for chromatography and sample preparation

US Patent 7166213 Solid compositions for selective adsorption from complex mixtures

US Patent 7169298 Method and apparatus for separating polynucleotides using monolithic capillary columns

US Patent 7169299 Fractionating apparatus for liquid chromatography

US Patent 7169300 Fractionating apparatus

US Patent 7169307 Process for the extraction of paclitaxel and 9-dihydro-13-acetylbaccatin III from

US Patent 7169308 Liquid chromatograph control apparatus, method for performing liquid chromatography and computer program for controlling a liquid chromatograph

US Patent 7182862 Fractionating apparatus

US Patent 7186336 Flow sensing apparatus

US Patent 7189320 Pump, pump for liquid chromatography, and liquid chromatography apparatus

US Patent 7189324 High-affinity, low molecular-mass displacers for ion-exchange chromotography

US Patent 7192525 Device for solid phase extraction and method for purifying samples prior to analysis

US Patent 7192526 Method of optimizing the operation of a xylene separation unit using simulated countercurrent

US Patent 7195709 Detection systems and methods

US Patent 7195713 Material for chromatography

US Patent 7201844 Composite matrices with interstital polymer networks

US Patent 7204370 Extension and locking assembly for dripless element and container therefore

US Patent 7208085 Caky chromatographic column and the method for producing it and its applications

US Patent 7208087 Dual-chamber chromatographic cartridge

US Patent 7208093 Chromatographic two-layer particles

US Patent 7211189 Separation column from chromatography, medium for solid phase extraction and sample injection system for chromatography

US Patent 7214318 Method for separation of actinide elements

US Patent 7214320 Systems and methods for high throughput sample analysis

US Patent 7217359 Columns for chromatograph

US Patent 7217360 Multi column chromatography system

US Patent 7217367 Microfluidic chromatography

US Patent 7220356 Method of purifying polypeptides by simulated moving bed chromatography

US Patent 7220357 Method of purifying macrolides

US Patent 7223334 Separating agent for enantiomeric isomers

US Patent 7226535 Bed adsorption system

US Patent 7229551 Diffusion promoting device for low flow velocity gradient high performance liquid chromatography

US Patent 7229558 Chromatographic separation method

US Patent 7232520 Ion exchange porous resins for solid phase extraction and chromatography

US Patent 7238282 System for automated compression of chromatography columns

US Patent 7241381 Method and apparatus for detecting chemical binding

US Patent 7258794 Process for producing packing for resolving optical isomers

US Patent 7261812 Multi-column separation devices and methods

US Patent 7261813 Monolithic structures comprising polymeric fibers for chemical separation by liquid chromatography

US Patent 7267765 Protection of the chromatographic bed in dynamic axial compression chromatography devices

US Patent 7276158 Incision-based filtration/separation pipette tip

US Patent 7279094 Chromatography methods and chromatography apparatus

US Patent 7279105 Arrangement and method for performing chromatography

US Patent 7285219 Chromatographic separation member and method

US Patent 7288200 System for injecting a by-pass fluid in a separation method in a simulated moving bed

US Patent 7291263 Polymeric fiber rods for separation applications

US Patent 7303671 Ion exchange particle-bound flow-through porous monolith

US Patent 7303682 Distributing or collecting device

US Patent 7306720 Membrane based volatile component-removal devices for liquid chromatography

US Patent 7306734 Method for separation of enantiomeric isomers by simulated moving bed chromatography

US Patent 7309426 Composition and method for high efficiency chromatography

US Patent 7311825 Polymer modified porous substrate for solid phase extraction

US Patent 7311826 Integrated high throughput system for the analysis of biomolecules

US Patent 7311836 Process for producing amino acid or salt thereof by column technique and production apparatus thereof

US Patent 7314550 Analytical separations with polyelectrolyte layers, molecular micelles, or zwitterionic polymers

US Patent 7314551 Flow distribution apparatus

US Patent 7314567 Method for transferring heterogeneous liquids in microchannels without the occurrence of mixing

US Patent 7314845 Supported catalyst systems

US Patent 7316777 Compression fitting nut with interlocked ferrule

US Patent 7318900 Chromatography system and method

US Patent 7320754 Method of preparing multi-modal anion-exchange ligands

US Patent 7320755 Method of preparing ligands for hydrophobic interaction chromatography

US Patent 7323101 Separating agent for optical isomer and method for preparation thereof

US Patent 7329346 Ion chromatography system using catalytic gas elimination

US Patent 7329353 LC/MS method of analyzing high molecular weight proteins

US Patent 7332086 Method for preparing a separation medium

US Patent 7332087 Flow sensing apparatus used to monitor/provide feedback to a split flow pumping system

US Patent 7335306 Chromatographic medium

US Patent 7347936 Liquid chromatograph

US Patent 7347943 Methods and compositions for chromatography

US Patent 7351332 Chromatography cartridge and method for manufacturing a chromatography cartridge

US Patent 7351333 Centrifuge

US Patent 7351334 Liquid chromatographic method and system

US Patent 7354517 Separation of platinum group metals

US Patent 7357864 Microfluidic device

US Patent 7360658 Extension and locking assembly for dripless element and container therefore

US Patent 7361269 Fraction collector with adjustable tray

US Patent 7361273 Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof

US Patent 7361278 Process for producing mass transfer device and apparatus for production thereof

US Patent 7364655 Method and apparatus for injecting a sample into a chromatography system

US Patent 7364656 Triazine-based detoxification agents and their use

US Patent 7374673 Channeled polymer fibers as stationary/support phases for chemical separation by liquid chromatography and for waste stream clean-up

US Patent 7374674 Liquid chromatography apparatus

US Patent 7381327 Flash chromatography cartridge

US Patent 7384546 Multi-layered macromolecules and methods for their use

US Patent 7390403 Prefilter system for biological systems

US Patent 7393453 Method for analysis of perchlorate

US Patent 7396467 Method of preparing a chromatography matrix

US Patent 7396468 Methods and system for protein separation

US Patent 7396469 Backflow prevention for high pressure gradient systems

US Patent 7399409 Packing material for separation of optical isomer and method of separating optical isomer with the same

US Patent 7399410 Chromatographic column and methods for controlling sorbent density

US Patent 7399415 Parking a sample stream and suppressing the sample

US Patent 7402243 Organosilanes and substrate bonded with same

US Patent 7402250 Equipment and method for feeding liquid gradient in nano/micro liquid chromatography

US Patent 7402251 Chromatography column and method of operation

US Patent 7404893 Chromatography cartridge and method for manufacturing a chromatography cartridge

US Patent 7407576 Separating agent for an optical enantiomeric isomer

US Patent 7407586 Chromatographic separation

US Patent 7410571 Flash chromatography cartridge

US Patent 7410586 Purification or work-up on ionic liquids by means of adsorptive separation processes

US Patent 7413658 Separation method

US Patent 7413659 Liquid chromatographic method and system

US Patent 7413660 Single pass method and apparatus for separating a target molecule from a liquid mixture

US Patent 7419598 Chromatographic solvent monitor

US Patent 7419599 Automated packing system and method for chromatography columns

US Patent 7422685 Method and device for separating constituents of a liquid charge by means of liquid-liquid centrifuge chromatography

US Patent 7425263 Multi-component, simultaneous, independent multi-gradient system for liquid chromatography

US Patent 7435350 Intelligent system and method for automated packing of chromatography columns

US Patent 7438806 Affinity matrices with enhanced visibility for molecular pull-down and immunoprecipitation applications

US Patent 7442299 Ion exchange porous resins for solid phase extraction and chromatography

US Patent 7449116 Methods and systems for protein separation

US Patent 7452464 Chromatography column

US Patent 7452471 Automated packing system and method for chromatography columns

US Patent 7462280 Liquid chromatography chip with flexible interface

US Patent 7468130 Organosilanes and substrates covalently bonded with same and methods for synthesis and use same

US Patent 7473354 Recycled suppressor regenerants

US Patent 7473366 Process for the purification of macrolides

US Patent 7473367 Monolithic column

US Patent 7479222 Porous adsorptive or chromatographic media

US Patent 7479223 Porous adsorptive or chromatographic media

US Patent 7479228 Method and device for chromatographic component separation

US Patent 7488420 Chromatographic separator

US Patent 7488422 Method and apparatus for separating a target molecule from a liquid mixture

US Patent 7491326 Apparatus for distributing liquids having an adapter

US Patent 7507336 Connector for analytical devices

US Patent 7507337 System and method for rapid chromatography with fluid temperature and mobile phase composition control

US Patent 7520982 Cucurbituril-containing polymer, stationary phase and column using the same

US Patent 7534345 Chromatography column distribution system

US Patent 7534346 Chromatography columns

US Patent 7534352 Reversed endcapping and bonding of chromatographic stationary phases using hydrosilanes

US Patent 7537694 Method and device for multidimensional liquid chromatography

US Patent 7537703 High-endurance packing material for liquid chromatography

US Patent 7537704 Method for determining the concentration of asymmetric dimethylarginine (ADMA)

US Patent 7540962 Method of preparing spheroid polymer particles having a narrow size distribution by dispersion polymerization, particles obtainable by the method and use of these particles

US Patent 7544293 Valve and process for interrupted continuous flow chromatography

US Patent 7547395 Macroporous gel, its preparation and its use

US Patent 7550080 Liquid chromatograph analysis apparatus and method

US Patent 7550081 Mobile phase supplying apparatus, liquid chromatograph using the same, and mobile phase supplying method

US Patent 7553421 Method for optimally sizing cells of a centrifugal partition chromatography device

US Patent 7556731 Liquid chromatograph

US Patent 7560023 Method of modifying surface of material

US Patent 7560030 Method for separation and enrichment of phosphopeptides

US Patent 7563367 pH stable chromatographic media using templated multilayer organic/inorganic grafting

US Patent 7566395 Purification system

US Patent 7566396 Flow path switching valve and high performance liquid chromatograph using the same

US Patent 7566401 Process for separating and isolating xanthines, individual polar protic monomers, and polar protic oligomers

US Patent 7569141 Process and device for simulated moving bed separation with a reduced number of large diameter valves and a reduced line volume

US Patent 7578934 Chromatographic column seal

US Patent 7582206 Process and device for simulated moving bed separation with a reduced number of valves

US Patent 7582207 Process and device for simulated moving bed separation with a reduced number of large diameter valves

US Patent 7582208 Process and device for simulated moving bed separation with a reduced number of valves and lines

US Patent 7588683 Column for liquid chromatography with adjustable compression

US Patent 7588687 Method for separating electrolytes

US Patent 7594999 Multi column chromatography system

US Patent 7597804 Optically active support materials, their method of preparation and their uses

US Patent 7597807 Residential reverse osmosis system

US Patent 7604736 Laser welded frit

US Patent 7604747 Chromatography columns and their operation

US Patent 7608187 Manufacture of a chromatography matrix

US Patent 7615150 Separation agent for separating optical isomer and method for preparation thereof

US Patent 7615159 Method for the production of chemical and pharmaceutical products with integrated multicolumn chromatography

US Patent 7628914 Methods for time-alignment of liquid chromatography-mass spectrometry data

US Patent 7628920 Compositions and methods for separating enantiomers

US Patent 7628922 Preanalysis treatment method and apparatus for analysis of polycyclic aromatic hydrocarbons

US Patent 7632409 Cation-exchange displacement chromatography process and cationic organic compounds for use as displacer compounds in cation-exchange displacement chromatography process

US Patent 7635425 Integrated high throughput system for the analysis of biomolecules

US Patent 7635433 System and method for feature alignment

US Patent 7645388 Flow rate control

US Patent 7670487 De-pressurization scheme for chromatography columns

US Patent 7674375 Closed loop flow control of a HPLC constant flow pump to enable low-flow operation

US Patent 7674381 Method for preparing L-iditol

US Patent 7674383 Method and apparatus for packing chromatography columns

US Patent 7678269 Asymmetric porous adsorptive bead

US Patent 7678276 Method of substance separation by supercritical fluid chromatography and vapor liquid separator for use therein

US Patent 7682505 Method and devices for dry loading of chromatography resins

US Patent 7682506 IC system including sample pretreatment and using a single pump

US Patent 7682510 Method of sterilization

US Patent 7686953 Supporting structures for preparative chromatography columns

US Patent 7686959 Control system and method for flash separation

US Patent 7691263 Monolithic column technology for liquid chromatography

US Patent 7695595 Process for the production of a purified hydrofluoroalkane, purified hydrofluoroalkane, use of the hydrofluoroalkane and method for the analysis of a hydrofluoroalkane

US Patent 7699987 Stabilized formulation

US Patent 7699990 Separation analyzer

US Patent 7704388 Reusable liquid chromatographic columns

US Patent 7708891 Chromatography column and method of maintenance

US Patent 7718058 Chromatography column with pack, unpack, and clean-in-place features

US Patent 7722764 Gradient pump apparatus

US Patent 7727402 Dual-chamber chromatographic cartridge

US Patent 7727403 Automated simultaneous separation system for radionuclides in multiple samples and a method for automatically separating uranium (U) using the same

US Patent 7731844 Porous materials for solid phase extraction and chromatography and processes for preparation and use thereof

US Patent 7740758 Separating agent including polysaccharide derivative having a polycyclic structure

US Patent 7749389 Filler used for separating optical isomers and process for separating optical isomers with the filler

US Patent 7749390 Semi-continuous chromatographic method and corresponding device for the separation of binary and multi-component mixtures

US Patent 7754075 Backflow prevention for high pressure gradient systems

US Patent 7758753 Method of analyzing optical isomers or method of resolving the same

US Patent 7767090 System for automated compression of chromatography columns

US Patent 7768191 Electroluminescent device with iridium complex

US Patent 7780853 Method for conducting maintenance on a chromatography column

US Patent 7780946 Supported catalyst systems

US Patent 7785473 Chromatography column and method of maintenance

US Patent 7790025 External gradient chromatofocusing

US Patent 7790026 Multi column chromatography system

US Patent 7790038 Ion exchange porous resins for solid phase extraction and chromatography

US Patent 7790040 Continuous isocratic affinity chromatography

US Patent 7807054 Chromatography columns

US Patent 7811452 Microfluidic device for sample analysis

US Patent 7811453 Hydrophilic polymer microparticle, filler for ion exchange liquid chromatography, and method for production of filler for ion exchange liquid chromatography

US Patent 7815798 Discrete drop dispensing device and method of use

US Patent 7815799 Continuous countercurrent chromatography system

US Patent 7815802 Grafted photo-polymerized monolithic column

US Patent 7820042 Method for removing air from a chromatography column

US Patent 7824548 Porous adsorptive or chromatographic media

US Patent 7842187 Removal of bacterial endotoxin in a protein solution by immobilized metal affinity chromatography

US Patent 7846335 Device for chromatographic separations

US Patent 7846336 Chromatographic methods

US Patent 7846337 Superficially porous particles and methods of making and using same

US Patent 7850844 Liquid delivery device, liquid chromatograph, and method for operation of liquid delivery device

US Patent 7850852 Process for producing amino acid or salt thereof by column technique and production apparatus thereof

US Patent 7854844 Detection systems and methods

US Patent 7862716 HPLC schematic with integrated sample cleaning system

US Patent 7862724 Preparative liquid chromatograph system and preparative separation/purification method using the same

US Patent 7871519 Methods for detection, identification and quantification of impurities

US Patent 7875175 Mobile phase dilution scheme for enhanced chromatography

US Patent 7897044 Fluid separation device

US Patent 7901574 Quick disconnect liquid chromatograph columns

US Patent 7901581 Chromatography method

US Patent 7909993 Centrifugal fraction collection system and method

US Patent 7909994 Mobile phase dilution scheme for enhanced chromatography

US Patent 7914673 Fluid distribution apparatus

US Patent 7922908 Separation system, components of a separation system and methods of making and using them

US Patent 7922909 Separation system, components of a separation system and methods of making and using them

US Patent 7927486 Polymer modified porous substrate for solid phase extraction

US Patent 7927487 Chromatographic column system

US Patent 7938961 Capillary loop with a built-in retaining frit

US Patent 7938962 Separating agent for enantiomeric isomers and method of producing the same

US Patent 7943046 Methods and systems for on-column protein delipidation

US Patent 7947174 Sol-gel monolithic column with optical window and method of making

US Patent 7947175 Continuous countercurrent tangential chromatography (CCTC)

US Patent 7951297 Material for chromatography

US Patent 7959801 Device for generating micro- and nanoflow mobile phase gradients for high-performance liquid chromatography

US Patent 7959810 Method for adapting a detection device to be coupled to a liquid chromatography column and equipped with means for forming and conveying an aerosol

US Patent 7959811 Separation process

US Patent 7959812 Multi-column sequenced separation process for separating an ionic metal derivative

US Patent 7964097 Multicapillary column for chromatography and sample preparation

US Patent 7967986 Process for absorption-based separation of bioparticles from an aqueous suspension

US Patent 7972506 Chromatography columns and their operation

US Patent 7976708 Innovative cut-and-feed operation for enhancing the performance of ion-exchange chromatographic separation

US Patent 7981284 Suppressor utilizing micro ion exchange tube and ion chromatograph utilizing the same

US Patent 7988858 Method for generating metal chelating affinity ligands

US Patent 7988859 Countercurrent tangential chromatography methods, systems, and apparatus

US Patent 8002987 Stationary phase and column using cucurbituril bonded silica gel, and separation method of taxol using the column