79 patents
Page 2 of 4
Utility
Electrolytic remote ion source and ion recycle (ISIR) module
7 Mar 23
An ion source and ion recycle module includes an electrolyte reservoir, an eluent recovery chamber, and an ion exchange connector.
Kannan Srinivasan
Filed: 2 Oct 20
Utility
Ion exchange stationary phases for analyzing polyvalent ions
22 Nov 22
Ion exchange stationary phases are prepared with diprimary diamines for applications such as separating samples that contain polyvalent anions.
Christopher A. Pohl
Filed: 6 Nov 17
Utility
Ion Exchange Stationary Phases For Analyzing Polyvalent Ions
27 Oct 22
Ion exchange stationary phases are prepared with diprimary diamines for applications such as separating samples that contain polyvalent anions.
Christopher A Pohl
Filed: 27 Jun 22
Utility
Electrolytic buffer generator
11 Oct 22
Buffer generators are described based on electrodialytic devices.
Purnendu K. Dasgupta, Yongjing Chen, Kannan Srinivasan
Filed: 25 May 18
Utility
Coated Poly-olefins
6 Oct 22
A coated substrate that comprises a polyolefin substrate having a functional polymer layer disposed thereon.
John M. Riviello, Christopher A. Pohl
Filed: 22 Dec 21
Utility
Ion exchange chromatography column, method, and system thereof
20 Sep 22
An ion exchange chromatographic packing material is described that includes support resin particles and a copolymer grafted to the support resin particles.
Manikandan Jayaraman, Christopher A. Pohl, Charanjit Saini
Filed: 4 May 20
Utility
Functionalized polyolefin capillaries for open tubular ion chromatography
2 Aug 22
Open tubular capillary columns for liquid and ion chromatography, based upon an ionically impermeable polyolefin capillary having a bore with a sulfonate-group- or amine-group-functionalized internal surface.
Purnendu K. Dasgupta, Weixiong Huang, Christopher A. Pohl
Filed: 16 Sep 20
Utility
Analyte Concentrator System and Methods of Use
28 Jul 22
Systems and methods for concentrating an analyte preparatory to analysis thereof include processing the effluent of an analyte concentrator to produce an eluent for eluting an analyte retained in the same or separate concentrator, and systems implementing the same.
Kannan SRINIVASAN
Filed: 17 Jan 22
Utility
Bioinert Sampling Needle
30 Jun 22
A sampling needle is provided for piercing a septum of a vial containing a sample and aspirating the sample from the vial.
Daniel Hoffmeyer, Licheng Tseng
Filed: 29 Dec 20
Utility
Electrochemical Cell Configured To Have A Dynamically Renewed Electrode
30 Jun 22
An electrochemical cell comprises a chamber, an inlet port, an outlet port, an electrode port, and a counter electrode.
Purnendu Dasgupta, Charles P. Shelor, Kannan Srinivasan, Christopher A. Pohl
Filed: 27 Dec 21
Utility
Ion exchange based volatile component removal device for ion chromatography
17 May 22
A method, device, and system for removing a volatile component from a liquid solution for a chromatographic separation are described.
Kannan Srinivasan, Sheetal Bhardwaj
Filed: 26 Apr 19
Utility
Method of Separating Viral Vectors
12 May 22
A method of separating a liquid sample containing viral vectors includes flowing the liquid sample into an anion exchange column.
Kenneth George COOK, Alexander Boris SCHWAHN, Jung Un BAEK, Shanhua Lin LIEHR
Filed: 10 Nov 20
Utility
Method for Preparing Monolithic Coated Surfaces
31 Mar 22
A carrier for adsorption a compound, comprising a support; and a shrink-fitted monolithic body attached to and surrounding at least a portion of the support.
Christopher A. POHL, John M. RIVIELLO
Filed: 8 Dec 21
Utility
Extraction Cell Cap Assembly with Toolless Disassembly
31 Mar 22
An extraction cell cap assembly allows for toolless disassembly.
Weichiat Chen, Kannan Srinivasan
Filed: 30 Sep 20
Utility
Peak Profile for Identifying an Analyte in a Chromatogram
10 Feb 22
A method of determining an identity of a first analyte in a sample is described that includes passing the first analyte through a chromatographic column and detecting a signal curve of the first analyte by a chromatographic detector, wherein the signal curve includes a peak profile of the first analyte.
Akinde F. Kadjo, Kannan Srinivasan, Purnendu K. Dasgupta
Filed: 4 Aug 20
Utility
Suppressors with eluent screens for use in ion chromatography
8 Feb 22
A suppressor for use in reducing a background signal while detecting analytes in a liquid sample for ion chromatography is described.
Kannan Srinivasan, Sheetal Bhardwaj, Glenn M. Kuse
Filed: 25 Jan 19
Utility
Method of analyzing using analyte concentrator system having eluent generation module
18 Jan 22
Systems and methods for concentrating an analyte preparatory to analysis thereof include processing the effluent of an analyte concentrator to produce an eluent for eluting an analyte retained in the same or separate concentrator, and systems implementing the same.
Kannan Srinivasan
Filed: 12 Feb 16
Utility
Method for preparing monolithic coated surfaces
28 Dec 21
A carrier for adsorption a compound, comprising a support; and a shrink-fitted monolithic body attached to and surrounding at least a portion of the support.
Christopher A. Pohl, John M. Riviello
Filed: 19 Oct 18
Utility
Fast Startup Ion Chromatography System and Methods
16 Dec 21
Systems and methods for inhibiting translocation of ions across ion exchange barriers include an eluent generator having an ion source reservoir with a first electrode, an eluent generation chamber with a second electrode, an ion exchange barrier disposed therebetween, and means for reversing the polarity of a voltage or current applied across the first and second electrodes.
Kannan Srinivasan, Mrinal Sengupta, Yan Liu, Christopher A. Pohl, Nebojsa Avdalovic
Filed: 27 Aug 21
Utility
Longitudinal gradient chromatography columns
14 Dec 21
An ion exchange chromatography column contains an ion exchange stationary phase that includes a charged substrate, a plurality of first particles, and a plurality of second particles.
Christopher A. Pohl
Filed: 4 Nov 19