| Patent | Date |
|---|
Functionalized polyolefin capillaries for open tubular ion chromatography
Grant 11,400,444 - Dasgupta , et al. August 2, 2 | 2022-08-02 |
Nano Flow Sensors
App 20220214199 - Dasgupta; Purnendu K. ; et al. | 2022-07-07 |
On-line Suppressor
App 20220107292 - Dasgupta; Purnendu K. ; et al. | 2022-04-07 |
Ion chromatography system and methods utilizing a weak acid or weak base extraction device
Grant 11,287,403 - Dasgupta , et al. March 29, 2 | 2022-03-29 |
Peak Profile for Identifying an Analyte in a Chromatogram
App 20220042957 - Kadjo; Akinde F. ; et al. | 2022-02-10 |
Conversion Of Long Cell Data To Short Cell Equivalent
App 20210405003 - Dasgupta; Purnendu K. ; et al. | 2021-12-30 |
Functionalized Polyolefin Capillaries For Open Tubular Ion Chromatography
App 20210016266 - DASGUPTA; Purnendu K. ; et al. | 2021-01-21 |
Functionalized polyolefin capillaries for open tubular ion chromatography
Grant 10,814,319 - Dasgupta , et al. October 27, 2 | 2020-10-27 |
Permeative Amine Or Acid Introduction For Very Weak Acid Detection In Ion Chromatography
App 20200292511 - Dasgupta; Purnendu K. ; et al. | 2020-09-17 |
Systems, methods and devices for width-based analysis of peak traces
Grant 10,634,653 - Dasgupta , et al. | 2020-04-28 |
Electrodialytic capillary suppressor for suppressed conductometric ion chromatography
Grant 10,416,137 - Dasgupta , et al. Sept | 2019-09-17 |
Cavity enhancement methods, systems and devices, and methods of measuring same
Grant 10,393,648 - Dasgupta A | 2019-08-27 |
Volatile eluent preparation
Grant 10,228,355 - Dasgupta , et al. | 2019-03-12 |
Three-electrode buffer generator and method
Grant 10,208,387 - Dasgupta , et al. Feb | 2019-02-19 |
Electrolytic Buffer Generator
App 20180274111 - Dasgupta; Purnendu K. ; et al. | 2018-09-27 |
Electrolytic buffer generator
Grant 10,023,965 - Dasgupta , et al. July 17, 2 | 2018-07-17 |
Systems, Methods And Devices For Width-based Analysis Of Peak Traces
App 20180149629 - Dasgupta; Purnendu K. ; et al. | 2018-05-31 |
Functionalized Polyolefin Capillaries For Open Tubular Ion Chromatography
App 20180093262 - DASGUPTA; Purnendu K. ; et al. | 2018-04-05 |
Electrodialytic Capillary Suppressor For Suppressed Conductometric Ion Chromatography
App 20180065089 - Dasgupta; Purnendu K. ; et al. | 2018-03-08 |
Volatile Eluent Preparation
App 20170322188 - Dasgupta; Purnendu K. ; et al. | 2017-11-09 |
Cavity Enhancement Methods, Systems And Devices, And Methods Of Measuring Same
App 20170284932 - Dasgupta; Purnendu K | 2017-10-05 |
Permeative Amine Or Acid Introduction For Very Weak Acid Detection In Ion Chromatography
App 20170199167 - Dasgupta; Purnendu K. ; et al. | 2017-07-13 |
Cavity enhancement methods, systems and devices, and methods of measuring same
Grant 9,677,999 - Dasgupta June 13, 2 | 2017-06-13 |
Three-electrode Buffer Generator And Method
App 20170130345 - Dasgupta; Purnendu K. ; et al. | 2017-05-11 |
Three-electrode buffer generator and method
Grant 9,580,822 - Dasgupta , et al. February 28, 2 | 2017-02-28 |
Sensor Platform And Method Of Use
App 20160334339 - Dasgupta; Purnendu K | 2016-11-17 |
Method and apparatus for scanning detection
Grant 9,482,611 - Dasgupta , et al. November 1, 2 | 2016-11-01 |
Cavity Enhancement Methods, Systems And Devices, And Methods Of Measuring Same
App 20150308942 - Dasgupta; Purnendu K. | 2015-10-29 |
Pretreatment device for dissolved ions analysis and dissolved ion analysis system
Grant 9,103,780 - Ohira , et al. August 11, 2 | 2015-08-11 |
Method and Apparatus for Scanning Detection
App 20150090013 - Dasgupta; Purnendu K. ; et al. | 2015-04-02 |
Rapid method to measure cyanide in biological samples
Grant 8,741,658 - Boss , et al. June 3, 2 | 2014-06-03 |
Pretreatment Device For Dissolved Ions Analysis And Dissolved Ion Analysis System
App 20130327647 - Ohira; Shin-Ichi ; et al. | 2013-12-12 |
Ion detector and system
Grant 8,551,318 - Dasgupta , et al. October 8, 2 | 2013-10-08 |
Electrolytic Buffer Generator
App 20130220814 - DASGUPTA; Purnendu K. ; et al. | 2013-08-29 |
Three-electrode Buffer Generator And Method
App 20130048498 - DASGUPTA; Purnendu K. ; et al. | 2013-02-28 |
Ion detector and system
Grant 8,293,099 - Dasgupta , et al. October 23, 2 | 2012-10-23 |
Ion Detector And System
App 20120006103 - Dasgupta; Purnendu K. ; et al. | 2012-01-12 |
Systems And Methods For Electrochemical Analysis Of Arsenic
App 20110272290 - Dasgupta; Purnendu K. ; et al. | 2011-11-10 |
Barrier with a seated ion exchange bead and method
Grant 7,632,404 - Dasgupta , et al. December 15, 2 | 2009-12-15 |
Ion Detector And System
App 20090218238 - Dasgupta; Purnendu K. ; et al. | 2009-09-03 |
Barrier with a seated ion exchange bead and method
App 20090127200 - Dasgupta; Purnendu K. ; et al. | 2009-05-21 |
Membrane based volatile component-removal devices for liquid chromatography
App 20080223787 - Dasgupta; Purnendu K. ; et al. | 2008-09-18 |
Membrane based volatile component-removal devices for liquid chromatography
Grant 7,306,720 - Dasgupta , et al. December 11, 2 | 2007-12-11 |
Membrane based volatile component-removal devices for liquid chromatography
App 20060037911 - Dasgupta; Purnendu K. ; et al. | 2006-02-23 |
Self-monitoring flow-through heater
Grant 6,993,252 - Dasgupta , et al. January 31, 2 | 2006-01-31 |
Continuous ion species removal device and method
App 20050202563 - Dasgupta, Purnendu K. ; et al. | 2005-09-15 |
Denuder assembly for collection and removal of soluble atmospheric gases
Grant 6,890,372 - Dasgupta , et al. May 10, 2 | 2005-05-10 |
Denuder Assembly For Collection And Removal Of Soluble Atmospheric Gases
App 20050045032 - Dasgupta, Purnendu K. ; et al. | 2005-03-03 |
Compact opto-fluidic chemical sensor
App 20040175837 - Bonne, Ulrich ; et al. | 2004-09-09 |
Sequential detection ion chromatography
App 20040014949 - Dasgupta, Purnendu K. ; et al. | 2004-01-22 |
Continuous on-line titrations by feedback based flow ratiometry
App 20020151080 - Dasgupta, Purnendu K. ; et al. | 2002-10-17 |
Gas sensor with phased heaters for increased sensitivity
Grant 6,393,894 - Bonne , et al. May 28, 2 | 2002-05-28 |
Luminescence detector with liquid-core waveguide
Grant 6,332,049 - Dasgupta December 18, 2 | 2001-12-18 |
Method for the determination of an acid or a base in a non-aqueous liquid
App 20010046711 - Pham, Phan van ; et al. | 2001-11-29 |
Electromigration injection from a microreservoir-electrode in capillary separation systems
Grant 6,086,736 - Dasgupta , et al. July 11, 2 | 2000-07-11 |
Forming thin film interfaced samples for analysis with capillary separation systems
Grant 5,814,199 - Dasgupta September 29, 1 | 1998-09-29 |
Apparatus for capillary electrophoresis having an auxiliary electroosmotic pump
Grant 5,660,703 - Dasgupta August 26, 1 | 1997-08-26 |
Apparatus and method for flow injection analysis
Grant 5,573,651 - Dasgupta , et al. November 12, 1 | 1996-11-12 |
Electrophoresis with chemically suppressed detection
Grant 5,358,612 - Dasgupta , et al. October 25, 1 | 1994-10-25 |
Methods for chromatography analysis
Grant 5,316,630 - Dasgupta May 31, 1 | 1994-05-31 |
Method and apparatus for generating a high purity chromatography eluent
Grant 5,045,204 - Dasgupta , et al. September 3, 1 | 1991-09-03 |
Apparatus and method for automated microbatch reaction
Grant 4,920,056 - Dasgupta April 24, 1 | 1990-04-24 |
Annular dual membrane permselective device and method
Grant 4,647,380 - Dasgupta March 3, 1 | 1987-03-03 |
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