196 patents
Page 5 of 10
Utility
Multi-dimensional chromatographic system for analyzing multiple sample components
17 May 22
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: 16 Sep 20
Utility
Chemical class compositions from collision cross-section fragment ions
17 May 22
The present disclosure generally relates to methods for determining chemical class compositions present in a sample using collision cross-section fragment ion values.
Giuseppe Astarita, Scott Geromanos
Filed: 30 Jun 17
Utility
Variable fluidic restrictor having selective restriction
10 May 22
A variable fluidic restrictor of a liquid chromatography system including a stator body, the stator body include a plurality of fluidic channels located within the stator body, wherein each fluidic channel of the plurality of fluidic channels includes a restrictor element, wherein a flow of a fluid through the variable fluidic restrictor is selectively restricted based on a position of an external element coupled to the stator body is provided.
Zongren Shang, Stanislaw Koziol, Joseph D. Michienzi, Michael Eggertson, Keith Fadgen
Filed: 20 Aug 19
Utility
Autosampler seal pack for reducing a carryover percentage
10 May 22
A seal pack of a sample manager of a liquid chromatography system having a plurality of wash flow pathways fluidically connected to a central pathway that accommodates a sample needle, wherein a first wash flow pathway is vertically offset from a second wash flow pathway, such that a wash solution flows axially along an exterior surface of the sample needle in a vertical direction to wash the sample needle when flowing from the first wash flow pathway to the vertically offset second wash flow pathway, is provided.
Joshua A. Burnett, Marc E. Lemelin, Sylvain Gilles Cormier
Filed: 28 Mar 19
Utility
Methods for determination of polar pesticides by chromatography
19 Apr 22
The disclosure relates to a reversed-phase chromatography method for the determination of at least one of glyphosate or AMPA in a sample.
Danilo Augusto Alves Pereira, Mirela Talarico Afonso De Moura, Marcella Fernanda Alves Reis
Filed: 17 Jul 19
Utility
Hybrid inorganic/organic materials having novel surface modification; process for the preparation of inorganic/organic hybrid materials; and use of said particles for chromatographic separations
5 Apr 22
The present invention provides novel chromatographic materials, e.g., for chromatographic separations, processes for their preparation and separations devices containing the chromatographic materials.
Kevin D. Wyndham
Filed: 1 Jun 10
Utility
High resolution and semi-preparative recycling chromatography system for isolation and preparation of unknown trace impurities in pharmaceutical products
29 Mar 22
The disclosure relates to a recycling chromatography method that includes injecting a sample into a mobile phase flow stream of a chromatography system to create a combined flow stream.
Fabrice Gritti, Sylvain Cormier
Filed: 30 May 19
Utility
Encapsulated pre-analytic workflows for flow-through devices, liquid chromatography and mass spectrometric analysis
22 Mar 22
This invention relates to encapsulated workflow reagents comprising an encapsulating material and a workflow reagent encapsulated within the encapsulating material for sample and workflow preparation prior to chromatographic, spectroscopic or other analytical systems, use thereof, and devices comprising the same.
Kevin Daniel Wyndham, Darryl W. Brousmiche
Filed: 28 Jul 17
Utility
Mechanisms and methods for liquid sample introduction into a chromatography system
22 Mar 22
The disclosure relates to a system for liquid sample introduction into a chromatography system.
Jason Hill, Abhijit Tarafder, Michael O. Fogwill, Thomas McDonald, Sylvain Cormier
Filed: 8 Nov 19
Utility
Techniques for thermally insulating a liquid chromatographic column
15 Mar 22
An apparatus for performing liquid chromatography includes a chromatography column, and an insulating member surrounding the chromatography column wherein the insulating member is formed from a vacuum chamber surrounding the chromatography column.
Edouard S. P. Bouvier, Pamela C. Iraneta, Joseph A. Luongo, Joseph A. Jarrell
Filed: 13 Sep 19
Utility
Reconfigurable fluidic manifold for a liquid chromatography system
15 Mar 22
Described is a fluidic manifold that includes a block formed of multiple layers each bonded to at least one adjacent layer at a layer interface.
Jeffrey Musacchio, Keith Fadgen, Joseph D. Michienzi, Stanislaw Koziol
Filed: 20 Aug 19
Utility
Thermogravimetric analysis components
8 Mar 22
Described is a convection reducer.
Cornelia Will
Filed: 9 Dec 19
Utility
Systems and methods for refractive index detection
8 Mar 22
The invention provides differential refractive index detectors and methods for the use of differential refractive index detectors.
Anthony C. Jeannotte, Mark Basile, Senthil Bala, Colin Fredette
Filed: 13 Apr 18
Utility
Continuously variable output liquid chromatography pump drive
8 Feb 22
A liquid chromatography solvent pump includes at least one motor, a first piston, a second piston, and a continuously variable output drive system coupling the at least one motor to at least one of the first and second pistons.
Jeffrey Musacchio, Michael Eggertson, Joseph Michienzi
Filed: 17 Sep 19
Utility
Solvent reservoir filters, systems and methods
8 Feb 22
A solvent reservoir filter for a liquid chromatograph system includes a first screen extending in a first plane, the first screen configured to filter solvent received through the first screen, a second screen extending in a second plane that is parallel to the first plane, the second screen configured to filter solvent received through the second screen, a main body extending between and connecting the first screen and the second screen, and a fluid outlet configured to expel solvent filtered by the first and second screens from the solvent reservoir filter.
Mark W. Moeller, William B. Clark
Filed: 24 Jun 19
Utility
Chromatographic compositions
1 Feb 22
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: 26 Oct 20
Utility
Convectively controlled adiabatic column chamber for use in chromatographic systems
1 Feb 22
A column-conditioning enclosure includes a column chamber adapted to hold one or more chromatography separation columns.
Joshua A. Shreve, Kurt D. Joudrey
Filed: 10 Apr 15
Utility
Metabolic pathway and metabolite identification
1 Feb 22
The present disclosure relates to methods and apparatus for identifying metabolic pathways and metabolites in complex biological samples.
Giuseppe Astarita
Filed: 26 May 16
Utility
Hybrid calorimeter cell
11 Jan 22
A calorimeter cell of a calorimetry system is provided, having a cell body having an internal region for receiving a first substance, the cell body being comprised of a chemically inert material, and a thermally conductive layer at least partially surrounding the chemically inert cell body.
Donald J. Russell, Anthony E. Arnerich, David Serrell
Filed: 20 Jul 18
Utility
Multiple sample differential scanning calorimeter
21 Dec 21
A heat flow rate measurement method for use with a differential scanning calorimeter sensor is provided.
Robert L. Danley
Filed: 27 Jun 19