Follow us on Twitter
twitter icon@FreshPatents


Chromatography patents

      

This page is updated frequently with new Chromatography-related patent applications.




 Synchronised variation of source conditions of an atmospheric pressure chemical ionisation mass spectrometer coupled to a gas chromatograph to improve stability during analysis patent thumbnailSynchronised variation of source conditions of an atmospheric pressure chemical ionisation mass spectrometer coupled to a gas chromatograph to improve stability during analysis
A mass spectrometer is disclosed comprising a gas chromatography separation device, an atmospheric pressure ionisation ion source and a control system arranged and adapted: (i) to operate the atmospheric pressure ionisation ion source at one or more first settings for a first period of time whilst one or more solvents elute from the gas chromatography separation device during a solvent front; and then (ii) to operate the atmospheric pressure ionisation ion source at one or more second different settings for a second subsequent period of time whilst one or more analytes elute from the gas chromatography separation device.. .
Micromass Uk Limited


 Benchmark for lc-ms systems patent thumbnailBenchmark for lc-ms systems
The present invention relates to a method of monitoring performance of a liquid chromatography-mass spectrometry (lc-ms) system, comprising the steps of: (a) performing lc with a first buffer, said first buffer comprising a defined concentration of a first compound, said performing comprising a step of eluting; (b) subjecting the eluate of said lc to electro-spray ionization; and (c) determining the amount of said first compound in said eluate by means of ms, thereby monitoring said performance; wherein said first compound (i) has either no affinity or negligible affinity to the chromatographic matrix; and (ii) is detectable by ms.. .
Max-planck-gesellschaft Zur FÖrderung Der Wissenschaften E.v.


 Conductivity detector and ion chromatography system including the same patent thumbnailConductivity detector and ion chromatography system including the same
A conductivity detector includes a flow channel, an electrode arrangement, and a detector. The flow channel has a tube shape with a channel diameter through which a solution including ion components flows.

 Double-wall inlet liners for gas chromatography patent thumbnailDouble-wall inlet liners for gas chromatography
Herein is disclosed an inlet liner for use within an injection port of a capillary gas chromatograph. The inlet liner can include a first fused quartz tube and a second fused quartz tube aligned along a common longitudinal axis; the outside surface of the first fused quartz tube affixed to the inside surface of the second fused quartz tube.
Cyclone Biosciences Llc


 Mass spectrometry  organic acid, analytical column and analytical device patent thumbnailMass spectrometry organic acid, analytical column and analytical device
A mass spectrometry method by a liquid chromatograph-mass spectrometer that can detect an organic acid with high sensitivity by retaining, separating and eluting the organic acid without adding any nonvolatile substance to a mobile phase and without receiving any restriction of a ratio of a water-soluble organic solvent, and an analytical column are provided. The mass spectrometry method is a mass spectrometry method for an organic acid by a liquid chromatograph-mass spectrometer, wherein a column packed with a hydrophilic polymer having an anion-exchange group is used, and as a mobile phase, a water-soluble organic solvent-water mixed solution is used.
Showa Denko K.k.


 Apparatus and  methods for fluid processing and flow control patent thumbnailApparatus and methods for fluid processing and flow control
Fluid processing apparatus has a prefabricated branched network of flexible tubing, for conducting process fluid between process elements of the apparatus, and control valves. A tubing support has opposable front and rear plates which define a pattern of support channels between them in which the flexible tubing network lies, so that the support channels limit or prevent expansion of the flexible tubes.
Biotechflow Ltd.


 Self-contained disposable tubing set for sterile preparation of cells by culturing, centrifugation, and column chromatography patent thumbnailSelf-contained disposable tubing set for sterile preparation of cells by culturing, centrifugation, and column chromatography
The invention relates to a system, comprising: a) a sample processing unit, comprising an input port and an output port coupled to a rotating container having at least one sample chamber, the sample processing unit configured provide a first processing step to a sample or to rotate the container so as to apply a centrifugal force to a sample deposited in the chamber and separate at least a first component and a second component of the deposited sample; and b) a sample separation unit coupled to the output port of the sample processing unit, the cell separation unit comprising separation column holder (42), a pump (64) and a plurality of valves (1-11) configured to at least partially control fluid flow through a fluid circuitry and a separation column (40) positioned in the holder, the separation column configured to separate labeled and unlabeled components of sample flowed through the column.. .
Miltenyi Biotec Gmbh


 System and  regulating cell culture based production of biologics patent thumbnailSystem and regulating cell culture based production of biologics
The disclosure is directed to a system and method for control of at least one bioreactor, other cell cultivation-related equipment, and systems containing any combination of these in a plant. For example, a plant-wide control system (pwcs) or a process control system (pcs) may be divided into three main components: hardware (including operating systems, such as a controller communicating with one or more servers of a network associated with the pwcs, (2) software (such as a control module) for performing control, and (3) one or more instrument control loops, which may be used by the software to maintain certain process values.
Lonza Limited


 Production  marine product-derived free monounsaturated fatty acids or lower alcohol esters thereof patent thumbnailProduction marine product-derived free monounsaturated fatty acids or lower alcohol esters thereof
A method for producing monovalent unsaturated free fatty acids having 20 and/or 22 carbons or low-grade alcohol esters thereof, said method involving the following: obtaining free fatty acids or low-grade alcohol esters through the hydrolysis or alcoholysis of oils and fats derived from marine products; carrying out distillation on the free fatty acids or low-grade alcohol esters, and reducing the concentration of fatty acids with 18 or less carbons in the low-grade alcohol esters or free fatty acids; and collecting fractions of monovalent unsaturated free fatty acids having 20 and/or 22 carbons or low-grade alcohol esters thereof by column chromatography based on reversed-phase distribution.. .
Nippon Suisan Kaisha, Ltd.


 Ion exchange chromatography with improved selectivity for the separation of polypeptide monomers, aggregates and fragments by modulation of the mobile phase patent thumbnailIon exchange chromatography with improved selectivity for the separation of polypeptide monomers, aggregates and fragments by modulation of the mobile phase
Herein is reported a method for producing a polypeptide in monomeric form comprising the following step: recovering the polypeptide in monomeric form from an ion exchange chromatography material by applying a solution comprising a non-ionic polymer and an additive.. .
Hoffmann-la Roche Inc.


Conical heater assembly for a gas chromatography column

A heating apparatus for a gas chromatography column is described. The gc column heating apparatus includes a conical heater assembly comprising a heating element between an inner layer and an outer layer.
Agilent Technologies, Inc.

Immunochromatographic test strip and detection method using immunochromatography for detecting object in red blood cell-containing sample

A problem to be solved by the present invention is to provide an immunochromatographic test strip and a detection method using immunochromatography avoiding aggregation of colloidal gold conjugates while red blood cells in whole blood are agglutinated and then separated and removed in the case of using polybrene as a blood-agglutinating agent and the colloidal gold conjugates as a detection reagent. To solve the problem, the present inventers reviewed a past reagent configuration itself from a completely different viewpoint rather than selecting type and amount of polyanions and, as a result of extensive study on each element, the inventers surprisingly found that aggregation of colloidal gold can be suppressed by using a certain buffer solution without using neutralization by polyanions..
Sekisui Medical Co., Ltd.

Retention index standards for liquid chromatography

A liquid chromatography method for identifying an analyte of interest utilizing as retention index standards a homologous series of neutrally charged compounds having at least one functional group bearing a positive charge and at least one functional group bearing a negative charge. The method is especially useful for liquid chromatography-mass spectrometry (lc-ms) methods, more especially for lc-ms methods employing electrospray (esi) or atmospheric pressure chemical ionization (apci) ionization systems..
National Research Council Of Canada

Chromatography systems and methods using them

Certain embodiments described herein are directed to chromatography systems that include a microfluidic device. The microfluidic device can be fluidically coupled to a switching valve to provide for selective control of fluid flow in the chromatography system.
Perkinelmer Health Sciences, Inc.

A process for obtaining hmg-up (human menopausal gonadotropin with ultra-purity grade) and a composition free of contaminants

The present invention refers to a method of purification of hmg (human menopausal gonadotropin) by multimodal chromatography in order to obtain hmg-up (human menopausal gonadotropin with ultra-purity grade) composition.. .
Instituto Massone S.a.

Process for purification of darbepoetin alfa

The present invention provides sequential chromatography steps and conditions for purification of a recombinant protein, especially recombinant darbepoetin alfa.. .
Hetero Drugs Ltd.

Harvesting and perfusion apparatus

The present invention relates to an apparatus capable of harvesting a recombinant protein from a bioreactor having a porous container comprised of a chromatography medium capable of binding the recombinant protein and a method of use thereof.. .
Therapeutic Proteins International, Llc

Apparatus and introducing a sample into a separation unit of a chromatography system

An apparatus introduces a sample into a separation unit of a chromatography system with a mobile phase, including first and second mobile phase components. The apparatus includes first and second pump systems, and an injection unit.
Agilent Technologies, Inc.

Chromatography columns, systems and methods

The present invention relates to axial flow chromatography columns, methods for separating one or more analytes in a liquid by the use of such columns, and systems employing such columns. The column comprises a first port and a second port, the first port and said second port being at essentially the same level or elevation above the level of the bed space on the chromatography column..
Ge Healthcare Bioprocess R&d Ab

Method of packing chromatographic columns, packed chromatographic columns for use at high pressures and uses thereof

A method of packing a chromatography column, including: dispersing chromatographic media particles in a slurry solution to form a slurry, filling a chromatography column with the chromatographic media particles by introducing the slurry to the column and applying a pressure to pack the chromatographic media particles in the chromatography column. The slurry solution is preferably aqueous based slurry solution.
Thermo Hypersil-keystone Llc

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

An electrostatic charge image developing toner includes toner particles including a polyester resin that is a polycondensate of a polycarboxylic acid and a polyol not containing a derivative of bisphenol a, wherein, when a maximum value is present on a lowest molecular weight side in a molecular weight distribution curve obtained by subjecting a component soluble in tetrahydrofuran of the toner particles to a gel permeation chromatography measurement, a weight average molecular weight (mw (a)) and a number average molecular weight thereof (mn (a)), each with respect to a low molecular weight region (a) including the maximum value on the lowest molecular weight side, satisfy that a ratio mw (a)/mn (a) is 6.0 or less, and a small diameter side number average particle diameter distribution index of the toner particles is from 1.3 to 1.7.. .
Fuji Xerox Co., Ltd.

Analysis of the molecular weight distribution of complex polypeptide mixtures

The present invention relates to simple size exclusion chromatography (sec) analytical methods useful for the assessment of accurate molecular weight distributions (mwds) of certain polypeptide mixtures known as glatiramoids. The use of a sec method based on one or more broad mwd standards furnishes the absolute (not relative) molecular weight distribution profile of complex polypeptide mixtures like, for instance, the glatiramer acetate (ga) polymer..
Chemi S.p.a.

Methods of analyte derivatization and enhanced soft ionization

Methods of analyte derivatization and soft ionization are provided. The methods include contacting a sample including an analyte with a derivatization agent to produce a modified analyte including a pseudo-molecular analyte group and a leaving group connected via a fragmentable bond; and selectively breaking the fragmentable bond under soft ionization conditions to produce a predominant first fragmentation product including the pseudo-molecular analyte group and a second fragmentation product including the leaving group.
Agilent Technologies, Inc.

Recombinant influenza virus-like particles (vlps) produced in transgenic plants expressing hemagglutinin

A method for synthesizing influenza virus-like particles (vlps) within a plant or a portion of a plant is provided. The method involves expression of influenza ha in plants and the purification by size exclusion chromatography.
Medicago Inc.

Toner, image forming apparatus, image forming method, and process cartridge

A toner, including: a binder resin; and calcium carbonate, wherein the toner has a molecular weight distribution having a main peak in a range of 1,000 to 10,000, and a half value width of the main peak is 8,000 to 30,000, where the molecular weight distribution is obtained by gpc (gel permeation chromatography) of thf soluble matter of the toner, and wherein the toner contains the calcium carbonate in an amount of 5% by mass to 35% by mass.. .
Ricoh Company Ltd.

Immunochromatographic test strip and detection method using immunochromatography for detecting object in red blood cell-containing sample

A problem to be solved by the present invention is to provide an immunochromatographic test strip and a detection method using immunochromatography avoiding aggregation of colloidal gold conjugates while red blood cells in whole blood are agglutinated and then separated and removed in the case of using polybrene as a blood-agglutinating agent and the colloidal gold conjugates as a detection reagent. To solve the problem, the present inventers reviewed a past reagent configuration itself from a completely different viewpoint rather than selecting type and amount of polyanions and, as a result of extensive study on each element, the inventers surprisingly found that aggregation of colloidal gold can be suppressed by using a certain buffer solution without using neutralization by polyanions..
Sekisui Medical Co., Ltd.

Method for estimating temperature variation in chromatography using thermodynamic plots and uses thereof

A method for estimating temperature variation due to pressure drop in a mobile phase passing through a column in a high efficiency chromatographic separation system is provided. The method includes constructing a temperature triangle using a pressure-temperature thermodynamic plot of the mobile phase having isenthalpic curves of the mobile phase.
Waters Technologies Corporation

Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and producing same

A highly unsaturated fatty acid or a highly unsaturated fatty acid ethyl ester that has been produced using as a feedstock oil a fat or oil that contains highly unsaturated fatty acids as constituent fatty acids and which has been reduced in the contents of environmental pollutants, wherein among the dioxins contained, polychlorinated dibenzoparadioxins (pcdds) and polychlorinated dibenzofurans (pcdfs) are contained in amounts of less than 0.05 pg-teq/g and coplanar pcbs (co-pcbs) in amounts of less than 0.03 pg-teq/g. Also disclosed is a method for producing the highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester by the steps of removing free fatty acids and environmental pollutants by thin-film distillation from a feedstock oil, ethyl esterifying the resulting fat or oil, and refining the same by rectification and column chromatography..
Nippon Suisan Kaisha, Ltd.

Column manager with a multi-zone thermal system for use in liquid chromatography

A thermal system for use in a column manager of a liquid chromatography system comprises a plurality of spatially separated individually controlled thermoelectric chips. A column module houses a plurality of thermally conductive troughs.
Waters Technologies Corporation

Seal assembly for supercritical fluid chromatography

A seal assembly for pressurized fluid applications, including supercritical fluid chromatography applications, includes an annular body and a helical wound flat spring. A bore extends through the annular body.
Waters Technologies Corporation

Purification of iduronate-2-sulfatase

The present invention provides, among other things, improved methods for purifying i2s protein produced recombinantly for enzyme replacement therapy. The present invention is, in part, based on the surprising discovery that recombinant i2s protein can be purified from unprocessed biological materials, such as, i2s-containing cell culture medium, using a process involving as few as four chromatography columns..
Shire Human Genetic Therapies, Inc.

Method for preparing human plasma proteins

The invention relates to a method for preparing plasma protein concentrate from blood plasma by means of multicolumn chromatography.. .
Laboratoire Francais Du Fractionnement Et Des Biotechnologies

Refined plant isolates and process for the manufacture of a functional food ingredient from such plant isolate

The present invention is concerned with providing refined plant isolates that can be used as starting materials for the production of functional food ingredients, such as taste enhancers, through an isolation process that employs ion exclusion chromatography. More particularly, the present invention provides a refined plant isolate comprising at least 30% by weight of dry matter of water soluble plant components selected from fructose, glucose, proteinaceous matter of plant origin, acids and potassium, said isolate further being characterized in that at a concentration of 40° brix the isolate: •contains at least 0.3 wt % of glutamate; •contains at least 500 ppm of k+; •contains less than 300 ppm of ca2+; •contains less than 700 ppm of mg2+; •contains less than 1 wt.
Conopco Inc., D/b/a Unilever

Methods of evaluating quality of media suitable for removing anti-a or anti-b antibodies

Embodiments described herein relate to methods of evaluating quality of a chromatography media for removal of anti-a or anti-b antibodies from a sample, where the methods employ use of purified lectins.. .
Merck Patent Gmbh

Methods of evaluating quality of a chromatography media which binds anti-a or anti-b antibodies

Embodiments described herein relate to methods of evaluating quality of a chromatography media for removal of anti-a or anti-b antibodies from a sample, where the methods employ use of purified monoclonal igm-a and igm-b antibodies.. .
Merck Patent Gmbh

Portable spectroscopic analysis tool

A portable spectroscopy analysis tool tests food for herbicides, pesticides, growth hormones, carcinogens, and other materials. Due to the broad range of herbicides, pesticides, growth hormones, carcinogens, and other materials which may be subjects of concern for the user, and the immediate need for accurate test results based on a small sample, the tool preferably employs gas chromatography-mass spectrometry (gc-ms).

Flash chromatography cartridge

A low pressure liquid chromatographic cartridge has a tubular polymer container that receives a chromatographic packing material. The container has an outlet port located at its downstream end and container threads formed on its upstream end.
Scientific Plastics Products, Inc.

Temperature-responsive monolithic porous body, producing same, and temperature-responsive chromatography method using same

A temperature responsive monolithic porous material is obtained that comprises a polymer having a hydration ability that changes in a temperature range of 0 to 80° c. And being immobilized to a surface of the porous material at a high density by binding an atom transfer radical polymerization initiator to a surface of the porous material, and inducing a growth reaction of a polymer, having a hydration ability that changes in a temperature range of 0 to 80° c., from the initiator using an atom transfer radical process under a presence of a catalyst..
Tokyo Women's Medical University

Method for endotoxin removal

The present invention relates to a method for endotoxin removal from a sample comprising the following steps: combining the sample comprising one or more target molecule(s) with a chromatography media comprising beads having an inner porous core functionalized with ligands capable of binding endotoxin and an outer porous layer without functional groups and a pore size small enough to exclude the target molecule from the inner core; and collecting the sample from the media, wherein the sample comprises an endotoxin level which is at least 75% less, preferably 90% less, than before the removal and the yield of the target molecule is at least 75%.. .
Ge Healthcare Bioprocess R&d Ab

Novel affinity chromatography media for removal of anti-a and/or anti-b antibodies

Embodiments described herein relate to novel chromatography media for removing anti-a and/or anti-b antibodies from a sample, as well as methods of using the same. The media described herein have several advantages over previously described media including, acid and alkaline stability..
Merck Patent Gmbh

Isoform enriched antibody preparation and obtaining it

Herein is reported a method for producing an antibody preparation comprising the steps of a) applying a buffered solution comprising different isoforms of an antibody to a cation exchange chromatography material, b) applying a first solution with a first conductivity to the cation exchange chromatography material, whereby the antibody isoforms remain bound to the cation exchange chromatography material, and c) applying a second solution with a second conductivity to the cation exchange chromatography material and thereby obtaining the antibody preparation, whereby the conductivity of the second solution exceeds the conductivity of the first solution by not more than 10%.. .
Hoffmann-la Roche Inc.

Process for the isolation of 1,2,5,6-hexanetetrol from sorbitol hydrogenolysis reaction mixtures using simulated moving bed chromatography

A method of isolating and purifying 1,2,5,6 hexanetetrol (hto) from a reaction mixture containing hto and other byproducts of a hydrogenation reaction of a sugar alcohol and/or a mono- or di-dehydrative product of a sugar alcohol is described. The method involves contacting the mixture comprising hto and other c1-c6 alcohols and polyols with a resin material adapted for chromatography under conditions where hto preferentially associates with the resin relative to other components in the mixture, and eluting hto from said resin with a solvent..
Archer Daniels Midland Company

Continuous process for separation of proteins

Disclosed is a continuous process for separating or extracting proteins from a low grade mixture of a protein of interest, other proteins, impurities, and salts in a continuous simulated moving bed separation process. The invention provides for direct extraction of heme protein and plant protein from a crude mixture of such proteins, other proteins, impurities and salts using the chromatographic technique of simulated moving bed (smb) continuous chromatography.
Orochem Technologies, Inc.

Botanical identification method and system

The disclosure provides a method for extracting, separating, and identifying compounds from natural products, such as cannabis or hops, where separation uses gas chromatography (gc). The method includes spiking the composition to be identified with at least two markers that bracket the migration position of at least one of the compounds to be identified, where gc method uses more than one ramping step..
Scientific Holdings, Llc

Novel methods and kits for detecting of urea cycle disorders using mass spectrometry

The present invention relates to newborn screening kits, methods, stable isotopically-labeled internal standards or internal standard solution for high throughput screening and analysis of metabolic disorders using liquid chromatography mass spectrometry (lc-ms) are provided. The metabolic disorders can be amino acid, organic acid or fatty acid oxidation disorders, and particularly urea cycle disorders or deficiencies, hyperammonemia, hyperornithinemia-hyperammonemia-homocitrullinuria (hhh), and/or argininosuccinic aciduria.
Labsystems Diagnostics Oy

Method for determining prognosis of renal cell carcinoma

It is intended to provide a rapid, convenient, and highly accurate method for determining the prognosis of cancer. The present invention provides a method for determining the prognosis of a renal cell carcinoma patient, comprising: (1) treating genomic dna prepared from a renal tissue of a subject with bisulfite; (2) amplifying the bisulfite-treated dna by pcr; (3) subjecting the obtained pcr amplification product to ion exchange chromatography; (4) obtaining the retention time of a detection signal obtained by the chromatography; and (5) determining the renal cell carcinoma of the subject as having poor prognosis when the result of the step (4) is shorter than a retention time serving as a reference..
Sekisui Medical Co., Ltd.

Immunoglobulin purification using pre-cleaning steps

The present invention relates to the purification of immunoglobulins and the problem of providing a method for purifying an immunoglobulin in an efficient and cost-effective manner and with satisfactory purity and yield. In particular, the present invention addresses the aspect of the re-use of the rather cost-intensive chromatography materials, in particular the lifetime of the chromatography materials used in the capture step of the downstream process, and how this can be increased while reducing the technical complexity of the purification process..
Richter Gedeon Nyrt.

Il-15/il-15ralpha based conjugates purification method

The present invention relates to a method for preparing a composition comprising monomeric conjugates from a sample, said conjugate comprising (a) a polypeptide comprising the amino acid sequence of interleukin 15 or derivatives thereof, and (b) a polypeptide comprising the amino acid sequence of the sushi domain of il-15rα or derivatives thereof; wherein said method comprises the use of anion-exchange chromatography followed by a hydrophobic interaction chromatography; and to a pharmaceutical composition which can be obtained by such a method.. .
Cytune Pharma

Functionalized support material and methods of making and using functionalized support material

Methods of making functionalized support material are disclosed. Functionalized support material suitable for use in chromatography columns or cartridges, such as in a high pressure liquid chromatography (hplc) column or a fast protein liquid chromatography (fplc) column, is also disclosed.
W. R. Grace & Co.-conn.

Ghrelin o-acyltransferase inhibitors

Small molecule ghrelin o-acyltransferase inhibitors found using an assay to detect ghrelin o-acyltransferase activity using an acrylodan-labeled peptide mimic of ghrelin that provides for high-throughput screening for ghrelin o-acyltransferase inhibitors and detection via high performance liquid chromatography. The newly discovered class of synthetic triterpenoids efficiently inhibits ghrelin acylation by goat and function as covalent reversible inhibitors of goat.
Syracuse University

Microwave-assisted headspace liquid-phase microextraction of an analyte

A method for extracting an analyte in a sample is described. A sample and a solution in a microwave-extraction vial are microwave-heated and agitated.
King Fahd University Of Petroleum And Minerals

Method for estimating a quantity of particles divided into classes, using a chromatogram

The invention is a method for estimating a quantity or a concentration of particles using a detector disposed at the exit of a chromatography column. The estimation is carried out on the basis of a selection of a plurality of retention times within the histogram, each retention time being associated with an individual particle.
Commissariat A L'energie Atomique Et Aux Energies Alternatives

Method for estimating a retention time in a chromatography column

The invention is a method for estimating a retention time of a particle in a chromatography column, and more particularly in a chromatography column one parameter of which, such as temperature, is modulated. The retention time is estimated on a probabilistic basis by sequentially modelling the transit of the particle in the column.
Commissariat A L'energie Atomique Et Aux Energies Alternatives

Method for measuring formaldehyde in solutions containing certain formaldehyde-releasing biocides

A method for measuring formaldehyde in an aqueous solution of an oxazolidine or hexahydro-1,3,5-triazine biocide; said method comprising separating an amino alcohol produced by hydrolysis of said biocide via mixed mode chromatography and detecting said amino alcohol using a charged aerosol detector or an evaporative light scattering detector.. .
Dow Global Technologies Llc



Chromatography topics:
  • Chromatography
  • Chromatograph
  • Antibodies
  • Mass Spectrometry
  • Spectrometry
  • Quantitative
  • High Resolution
  • Switching Valve
  • Cross Section
  • Protein A Affinity Chromatography
  • Amino Acid
  • Silica Gel
  • Carboxylic Acid
  • Antifungal
  • Isoleucine


  • Follow us on Twitter
    twitter icon@FreshPatents

    ###

    This listing is a sample listing of patent applications related to Chromatography for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Chromatography with additional patents listed. Browse our RSS directory or Search for other possible listings.


    0.3961

    file did exist - file did put2697

    3 - 1 - 54