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Waters (WAT)

134 patents

Page 7 of 7
Utility
Multi-dimensional chromatography system using at-column dilution
1 Jun 20
The present disclosure relates to an enhanced multi-dimensional chromatography system and method using selectable At-Column Dilution to improve compatibility of the interface and transfer between the multiple dimensions.
Amanda B. Dlugasch, Thomas E. Wheat, Dan Root, Jean-Michel Plankeele, Isabelle Francois, Edward R. Aig
Filed: 19 Jan 17
Utility
Controllable injector sample dilution for a liquid chromatography system
1 Jun 20
Described are a method and a system for injecting a sample into a flow of a liquid chromatography system.
Michael R. Jackson, Sylvain G. Cormier
Filed: 11 Oct 17
Utility
Cooling of pump heads in carbon dioxide chromatography systems
4 May 20
The present disclosure relates to methodologies, systems and apparatus for cooling pump heads and providing balanced cooling and heat transfer between multiple pump heads.
Michael R. Jackson, Christopher Seith, Nathan Barrett, Kara O'Donnell, Neal B. Almeida, Wen Lu, James E. Usowicz, Maruth Sok, Kurt D. Joudrey, Joshua A. Shreve
Filed: 6 Apr 16
Utility
System and method for rapid analysis of polymer additives
4 May 20
The subject technology is directed to a CO2-based chromatography system and method for rapid determination of the levels and/or the presence or absence of polymer additives (PAs) leachable or extractable from packing materials or implantable medical devices.
Stephane Dubant, Baiba Cabovska, Andrew Aubin, Michael Jones, Peter Hancock
Filed: 9 Jul 17
Utility
Low dispersion gas-liquid separator
13 Apr 20
The present technology relates to methodologies, systems and apparatus for separating a liquid and a gas from a multi-phase flow stream.
Senthil Bala, Colin Fredette, Christopher Seith
Filed: 24 Oct 16
Utility
Systems, methods and devices addressing sample extraction and injection problems in chromatography
6 Apr 20
In a chromatography system, including within the system an extraction vessel which receives a mixture of mobile phase and co-solvent and provides a mixture of mobile phase and co-solvent with sample to a chromatography column to increase sample concentration within the mixture.
Abhijit Tarafder
Filed: 18 Jan 17
Utility
Diffuser assembly and associated methods
30 Mar 20
Exemplary embodiments are directed to a diffuser assembly configured to be disposed in an extraction path of an extracting solvent in an extraction vessel.
Michael Webster, David Sauers, Curt White, Steven Stricko
Filed: 7 Mar 18
Utility
Device and method for calorimetrically measuring sorption processes
30 Mar 20
The aim of the invention is to provide a commercially usable and inexpensive device and method with which a sorption enthalpy can be measured in a simple manner.
Dieter Bathen, Tatjana Hayn, Cornelia Will, Frieder Dreisbach
Filed: 13 Feb 13
Utility
Orthogonal superposition rheometer
23 Mar 20
An orthogonal superposition rotational rheometer that applies a rotational torque and an orthogonal axial oscillatory stress to a fluid.
Aloyse J. P. Franck, John P. Berting
Filed: 21 May 14
Utility
Low carryover high pressure fluidic fitting
16 Mar 20
A fluidic coupling includes a compression screw having an axial bore, a threaded portion configured to engage a threaded bore of a coupling body, and a drive surface, a tube extending through the axial bore of the compression screw, the tube including a body and a fluidic channel extending through the body to a sealing end, the body including a pocket formed at the sealing end having a depth, a collet secured to an outer surface of the tube and having a first end configured to receive the drive surface of the compression screw, and a polymer seal having a channel to pass a fluid, the polymer seal including a flange portion and an insertion portion.
Robert A. Jencks, Mark W. Moeller, Kenneth R. Plant
Filed: 13 Feb 19
Utility
Structural elucidation of isotopically labeled analytes
16 Mar 20
The present disclosure relates to structural elucidation of isotopically labeled analytes using chromatography-MS and data-independent acquisition.
Giuseppe Astarita
Filed: 13 Apr 16
Utility
Device and methods using porous media in fluidic devices
9 Mar 20
A system that incorporates teachings of the subject disclosure may include, for example, a process that includes obtaining a porous medium comprising a porous material having a first shape and an initial porosity profile.
Bernard Bunner, Martin Gilar, Robert A. Jencks, Charles T. Murphy
Filed: 11 Sep 17
Utility
Cooling liquid eluent of a carbon dioxide chromatography system after gas-liquid separation
9 Mar 20
The present disclosure relates to methodologies, systems and apparatus for cooling a supersaturated or mixed-phase solution to increase the solubility of gases dissolved therein.
Michael R. Jackson, Christopher Seith, Senthil Bala, Colin Fredette
Filed: 6 Apr 16
Utility
Method for estimating temperature variation in chromatography using thermodynamic plots and uses thereof
2 Mar 20
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.
Abhijit Tarafder
Filed: 11 May 15
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