Inventor · disambiguated record
Purnendu K. Dasgupta
Also filed as: DASGUPTA PURNENDU · DASGUPTA PURNENDU K · DASGUPTA PURNENDU KUMAR
47 granted patents·12 pending applications·889 citations·filing 1982–2022
98Inventor score
Top patents by PatentIndex Score
59 records- 0193US5045204AMethod and apparatus for generating a high purity chromatography eluentDIONEX CORP·Filed 1990·Granted Sep 3, 1991·163 cites·32 claims
- 0292US10814319B2Functionalized polyolefin capillaries for open tubular ion chromatographyDASGUPTA PURNENDU K·Filed 2016·Granted Oct 27, 2020·8 cites·19 claims
- 0391US4920056AApparatus and method for automated microbatch reactionDOW CHEMICAL CO·Filed 1988·Granted Apr 24, 1990·84 cites·17 claims
- 0490US7964411B2Membrane based concentratorsDIONEX CORP·Filed 2007·Granted Jun 21, 2011·15 cites·15 claims
- 0588US8741658B2Rapid method to measure cyanide in biological samplesBOSS GERRY·Filed 2011·Granted Jun 3, 2014·13 cites·24 claims
- 0688US6393894B1Gas sensor with phased heaters for increased sensitivityHONEYWELL INT INC·Filed 1999·Granted May 28, 2002·86 cites·29 claims
- 0788US6332049B1Luminescence detector with liquid-core waveguideGLOBAL FIA INC·Filed 2000·Granted Dec 18, 2001·39 cites·22 claims
- 0886US5573651AApparatus and method for flow injection analysisDOW CHEMICAL CO·Filed 1995·Granted Nov 12, 1996·80 cites·3 claims
- 0983US4852632AApparatus for preventing undissolved alloying ingredient from entering continuous casting moldINLAND STEEL CO·Filed 1988·Granted Aug 1, 1989·21 cites·19 claims
- 1080US7314718B1Method and apparatus for maintaining multiple planar fluid flowsBIOARRAY SOLUTIONS LTD·Filed 2002·Granted Jan 1, 2008·49 cites·29 claims
- 1180US2023134486A1Electrolytic buffer generatorUNIV TEXAS·Filed 2022·Application pending·0 cites
- 1279US10208387B2Three-electrode buffer generator and methodUNIV TEXAS·Filed 2017·Granted Feb 19, 2019·1 cites·17 claims
- 1379US8293099B2Ion detector and systemDASGUPTA PURNENDU K·Filed 2008·Granted Oct 23, 2012·6 cites·27 claims
- 1478US10023965B2Electrolytic buffer generatorDASGUPTA PURNENDU K·Filed 2012·Granted Jul 17, 2018·2 cites·5 claims
- 1578US4647380AAnnular dual membrane permselective device and methodDASGUPTA PURNENDU K·Filed 1984·Granted Mar 3, 1987·28 cites·32 claims
- 1678US4500430AContinuously rejuvenated ion exchangerDASGUPTA PURNENDU K·Filed 1982·Granted Feb 19, 1985·29 cites·51 claims
- 1777US11287403B2Ion chromatography system and methods utilizing a weak acid or weak base extraction deviceUNIV TEXAS·Filed 2016·Granted Mar 29, 2022·2 cites·8 claims
- 1875US6011882AChemical sensing techniques employing liquid-core optical fibersWORLD PRECISION INSTR INC·Filed 1997·Granted Jan 4, 2000·43 cites·18 claims
- 1972US7632404B2Barrier with a seated ion exchange bead and methodDIONEX CORP·Filed 2007·Granted Dec 15, 2009·3 cites·30 claims
- 2072US5358612AElectrophoresis with chemically suppressed detectionDOW CHEMICAL CO·Filed 1991·Granted Oct 25, 1994·36 cites·2 claims
- 2171US10416137B2Electrodialytic capillary suppressor for suppressed conductometric ion chromatographyDASGUPTA PURNENDU K·Filed 2016·Granted Sep 17, 2019·1 cites·20 claims
- 2271US8551318B2Ion detector and systemDASGUPTA PURNENDU K·Filed 2011·Granted Oct 8, 2013·1 cites·2 claims
- 2371US5660703AApparatus for capillary electrophoresis having an auxiliary electroosmotic pumpDOW CHEMICAL CO·Filed 1995·Granted Aug 26, 1997·37 cites·1 claims
- 2470US9580822B2Three-electrode buffer generator and methodDASGUPTA PURNENDU K·Filed 2012·Granted Feb 28, 2017·1 cites·6 claims
- 2570US7306720B2Membrane based volatile component-removal devices for liquid chromatographyDIONEX CORP·Filed 2004·Granted Dec 11, 2007·9 cites·4 claims
- 2668US11466373B2Electrolytic buffer generatorUNIV TEXAS·Filed 2018·Granted Oct 11, 2022·0 cites·6 claims
- 2768US6890372B2Denuder assembly for collection and removal of soluble atmospheric gasesDIONEX CORP·Filed 2003·Granted May 10, 2005·9 cites·30 claims
- 2864US6086736AElectromigration injection from a microreservoir-electrode in capillary separation systemsUNIV TEXAS TECH·Filed 1997·Granted Jul 11, 2000·31 cites·13 claims
- 2963US11400444B2Functionalized polyolefin capillaries for open tubular ion chromatographyTHE BOARD OF REGENTS UNIV OF TEXAS SYSTEM·Filed 2020·Granted Aug 2, 2022·0 cites·23 claims
- 3063US10393648B2Cavity enhancement methods, systems and devices, and methods of measuring sameUNIV TEXAS·Filed 2017·Granted Aug 27, 2019·0 cites·20 claims
- 3162US11977046B2Electrochemical cell configured to have a dynamically renewed electrodeDIONEX CORP·Filed 2021·Granted May 7, 2024·0 cites·17 claims
- 3262US9482611B2Method and apparatus for scanning detectionUNIV TEXAS·Filed 2014·Granted Nov 1, 2016·1 cites·29 claims
- 3361US5316630AMethods for chromatography analysisDIONEX CORP·Filed 1993·Granted May 31, 1994·24 cites·26 claims
- 3458US11369967B2Devices and methods for detecting analytesUNIV TEXAS·Filed 2020·Granted Jun 28, 2022·0 cites·32 claims
- 3557US9677999B2Cavity enhancement methods, systems and devices, and methods of measuring sameDASGUPTA PURNENDU K·Filed 2015·Granted Jun 13, 2017·0 cites·18 claims
- 3656US11714070B2Permeative amine or acid introduction for very weak acid detection in ion chromatographyUNIV TEXAS·Filed 2020·Granted Aug 1, 2023·0 cites·6 claims
- 3756US5433838AElectrophoresis with chemically suppressed detectionDOW CHEMICAL CO·Filed 1994·Granted Jul 18, 1995·19 cites·7 claims
- 3853US11988649B2On-line suppressorUNIV TEXAS·Filed 2020·Granted May 21, 2024·0 cites·12 claims
- 3953US2008223787A1Membrane based volatile component-removal devices for liquid chromatographyDIONEX CORP·Filed 2007·Application pending·0 cites
- 4052US9103780B2Pretreatment device for dissolved ions analysis and dissolved ion analysis systemOHIRA SHIN-ICHI·Filed 2011·Granted Aug 11, 2015·1 cites·9 claims
- 4151US11199491B2Photothermal absorbance measurement in a flow systemUNIV TEXAS·Filed 2019·Granted Dec 14, 2021·0 cites·19 claims
- 4251US10180394B2Systems and methods for performing cavity-enhanced absorption spectroscopyUNIV TEXAS·Filed 2015·Granted Jan 15, 2019·0 cites·19 claims
- 4351US4754800APreventing undissolved alloying ingredient from entering continuous casting moldINLAND STEEL CO·Filed 1987·Granted Jul 5, 1988·8 cites·18 claims
- 4450US5766959AMethod for determining a component using a liquid film or dropletDOW CHEMICAL CO·Filed 1996·Granted Jun 16, 1998·30 cites·10 claims
- 4549US2022214199A1Nano flow sensorsUNIV TEXAS·Filed 2020·Application pending·0 cites
- 4648US2022042957A1Peak Profile for Identifying an Analyte in a ChromatogramDIONEX CORP·Filed 2020·Application pending·0 cites
- 4747US10634653B2Systems, methods and devices for width-based analysis of peak tracesUNIV TEXAS·Filed 2017·Granted Apr 28, 2020·0 cites·43 claims
- 4847US2004175837A1Compact opto-fluidic chemical sensorFiled 2003·Application pending·0 cites
- 4943US6993252B1Self-monitoring flow-through heaterGLOBAL FIA INC·Filed 2004·Granted Jan 31, 2006·4 cites·3 claims
- 5042US10228355B2Volatile eluent preparationUNIV TEXAS·Filed 2016·Granted Mar 12, 2019·0 cites·30 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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