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Waters (WAT)

128 patents

Page 5 of 7
Utility
Flame ionization detection burner assemblies for use in compressible fluid-based chromatography systems
28 Dec 20
Burner assemblies of flame-based detectors are configured to deliver decompressed mobile phase of supercritical fluid chromatography systems to the flame of a flame-based detector while providing for improved optimization of analyte response as well as enhanced flame stability during operation.
Michael O. Fogwill, Joseph D. Michienzi, James P. Murphy
Filed: 7 Jan 19
Utility
System and method for minimization of force variation in a solenoid within a pressurized flow system
28 Dec 20
Exemplary embodiments are directed to systems and methods used to minimize force variation from a solenoid through an operating stroke.
Joshua A. Shreve
Filed: 6 Mar 13
Utility
Managing fluidic connections to microfluidic devices
14 Dec 20
A method may include reducing fluid flow between a rotor and a microfluidic device.
Geoff C. Gerhardt, Keith Fadgen, Joseph D. Michienzi, Bernard Bunner
Filed: 10 Apr 19
Utility
Chromatographic compositions
7 Dec 20
Provided herein are stationary phase compositions comprising a chromatographic surface of porous or non-porous core material comprising a surface modifier for use in chromatographic separations.
Matthew A. Lauber, Daniel P. Walsh
Filed: 14 Mar 18
Utility
Textured needle for improved piercing performance in liquid chromatography applications
7 Dec 20
A needle for aspirating a sample from a sample source and injecting the sample into a liquid chromatography system, the needle including a needle body having a rough textured surface finish for at least a portion of the needle body, wherein the rough textured surface finish reduces a coefficient of friction of the needle body, is provided.
Scott Kelley, Peter Osswald, Rose Solow, John M. Auclair
Filed: 4 Mar 19
Utility
Method and apparatus for flame ionization detection for chromatography
30 Nov 20
A method for detecting an analyte in a chromatography system includes performing a separation using a mobile phase that includes an organic component.
Michael O. Fogwill, Joseph D. Michienzi, Geoff Gerhardt
Filed: 18 Apr 17
Utility
Rapid authentication using surface desorption ionization and mass spectrometry
23 Nov 20
The present disclosure relates generally to rapid authentication methods using surface desorption ionization and mass spectrometry detection.
Gareth E. Cleland, Kari L. Organtini
Filed: 13 Apr 17
Utility
Catalytic oxidation of polar modifiers in chromatographic mobile phases
9 Nov 20
The present disclosure relates to an oxidizer, and related methods, for oxidizing polar modifiers in chromatographic mobile phases.
Michael O. Fogwill, Joseph D. Michienzi, James P. Murphy
Filed: 20 Nov 18
Utility
Gas liquid separator and associated methods
2 Nov 20
Exemplary embodiments are directed to a gas liquid separator that includes a chamber for receiving a fluid mixture, a fluid mixture inlet, a solvent outlet, and a gas outlet.
Joshua A. Shreve
Filed: 23 Oct 17
Utility
Acid labile surfactants
2 Nov 20
This invention relates to an acid labile surfactant.
Darryl W. Brousmiche
Filed: 25 Feb 19
Utility
Modifier stream elution of trap column for multidimensional compressible fluid-based chromatography
2 Nov 20
A method of performing a chromatographic separation includes modulating a portion of a flowstream to a trap column to retain at least one analyte from the flowstream on the trap column.
Michael O. Fogwill, Isabelle François
Filed: 20 Dec 17
Utility
Systems, methods, and devices for providing pressurized solvent flow
2 Nov 20
The present disclosure generally relates to systems, methods and devices for providing pressurized solvent flow in chromatography systems.
Wade P. Leveille, Jonathan L. Belanger, Moon Chul Jung, Abhijit Tarafder, Joseph Michienzi, Keith Fadgen, Kevin Wyndham, Xiangjin Song
Filed: 18 Dec 17
Utility
Pressure related hysteresis manipulation in a pressurized flow system
2 Nov 20
Exemplary embodiments of the present disclosure are directed to manipulating pressure-related hysteresis in a pressurized flow system by setting the pressure of the system to a predetermined location in the hysteresis band to advantageously minimize an effect of the pressure related hysteresis on the pressure of the system or to advantageously benefit from the effects of the hysteresis on the pressure of the system.
Joshua A. Shreve, Paul Keenan, Steven J. Ciavarini
Filed: 12 Apr 18
Utility
Techniques for mass analyzing a complex sample based on nominal mass and mass defect information
2 Nov 20
Techniques and apparatus for analyzing mass spectrometry data are described.
Scott J. Geromanos, Curt Devlin, Steven J. Ciavarini
Filed: 20 Nov 17
Utility
Multi-dimensional chromatographic system for analyzing multiple sample components
12 Oct 20
A chromatography system includes a first chromatography column for receiving and separating a flow stream, a plurality of traps configured to trap a plurality of distinct flow segments exiting the first chromatography column during separation of the flow stream, and a second chromatography column operatively associated with the plurality of traps for receiving and separating the distinct flow segments.
Amanda B. Dlugasch, Thomas E. Wheat, Daniel Root, Jean-Michel Plankeele, Isabelle Francois, Edward R. Aig
Filed: 24 Jan 17
Utility
Methods, compositions, devices, and kits, for performing phospholipid separation
12 Oct 20
Methods, kits and devices for separating phospholipids and proteins from small molecules in biochemical samples can feature an apparatus having a wetting barrier, at least one frit and a separation media.
Pamela C. Iraneta, Thomas H. Walter, Xin Zhang, Daniel P. Walsh, Kevin D. Wyndham, Raymond P. Fisk
Filed: 29 Mar 18
Utility
Online dilution for a liquid chromatography system using a sample metering pump
12 Oct 20
An apparatus for diluting a sample in a liquid chromatography system includes a metering pump, a sample needle and a sample valve.
Joshua A. Burnett, John M. Auclair
Filed: 12 Jun 18
Utility
Chromatography column assembly
12 Oct 20
Described is a chromatographic column assembly that includes an outer tube comprising a metal, a first conduit disposed within the outer tube, a second conduit disposed within the outer tube, and a first joint located between the first conduit and the second conduit.
Joseph D. Michienzi, Keith Fadgen, Wade P. Leveille, Raymond P. Fisk, Frank John Marszalkowski, Jr.
Filed: 24 May 18
Utility
Gas liquid separator for chromatography applications
5 Oct 20
Examples of gas liquid separators include a chamber, a fluid mixture inlet, a gas outlet and a liquid outlet.
Emily J. Berg, Joshua A. Shreve, Edwin H. Denecke
Filed: 23 Oct 17
Utility
Systems, devices, and methods for threshold analyte calibration and quantitation using threshold analyte calibration
5 Oct 20
Provided herein are definitive screening techniques for qualitatively and quantitatively detecting analytes in biological specimens.
Thomas G. Rosano, Michelle Wood
Filed: 15 Mar 16
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