Dey; Subhakar

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dey; Subhakar.The latest application filed is for "multiplexed external calibrator and control for screening and diagnostic assays".

Company Profile

3.26.28

Dey; Subhakar - Lexington MA
Dey; Subhakar - North Billerica MA US
Dey; Subhakar - Billerica MA US
Dey; Subhakar - N. Billerica MA
- N. Billerica MA US
Dey; Subhakar - N. Billerice MA
Dey; Subhakar - Billerca MA
Dey, Subhakar - Wakefield MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Multiplexed External Calibrator And Control For Screening And Diagnostic Assays App 20220308066 - Cournoyer; Jason ; et al.	2022-09-29
Microbial Identification and Quantitation Using MS Cleavable Tags App 20190212337 - Purkayastha; Subhasish ; et al.	2019-07-11
Microbial identification and quantitation using MS cleavable tags Grant 10,281,468 - Purkayastha , et al.	2019-05-07
Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow Grant 10,094,809 - Dey , et al. October 9, 2	2018-10-09
Mass spectrometric identification and/or quantitation of catecholamines using aminopyrazoles Grant 9,964,552 - Dey , et al. May 8, 2	2018-05-08
Analysis of estradiol and analytes with phenolic OH using labeling chemistry and LC-MSMS workflow Grant 9,874,575 - Dey , et al. January 23, 2	2018-01-23
Specific Analysis Of Ketone And Aldehyde Analytes Using Reagent Compounds, Labeling Strategies, And Mass Spectrometry Workflow App 20170115258 - Dey; Subhakar ; et al.	2017-04-27
Microbial Identification and Quantitation Using MS Cleavable Tags App 20170052180 - Purkayastha; Subhasish ; et al.	2017-02-23
Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow Grant 9,500,622 - Dey , et al. November 22, 2	2016-11-22
Mass Spectrometric Identification And/or Quantitation Of Catecholamines Using Aminopyrazoles App 20160305969 - Dey; Subhakar ; et al.	2016-10-20
Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Grant 9,188,596 - Dey , et al. November 17, 2	2015-11-17
Labeling reagents for analyte determination and methods and compounds used in making the same Grant 8,975,404 - Pillai , et al. March 10, 2	2015-03-10
Analysis Of Estradiol And Analytes With Phenolic Oh Using Labeling Chemistry And Lc-msms Workflow App 20150051111 - Dey; Subhakar ; et al.	2015-02-19
Enhancement Of Sensitivity And Specificity Of Ketosteroids And Keto Or Aldehyde Containing Analytes App 20140349885 - Dey; Subhakar ; et al.	2014-11-27
Analyte determination utilizing mass tagging reagents comprising a non-encoded detectable label Grant 8,853,133 - Purkayastha , et al. October 7, 2	2014-10-07
Quantitative Analysis Of Vitamin D3, Vitamin D2, And Metabolites Thereof App 20140127825 - Dey; Subhakar ; et al.	2014-05-08
Specific Analysis Of Ketone And Aldehyde Analytes Using Reagent Compounds, Labeling Strategies, And Mass Spectrometry Workflow App 20140004616 - Dey; Subhakar ; et al.	2014-01-02
Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Grant 8,617,898 - Dey , et al. December 31, 2	2013-12-31
Quantitative analysis of vitamin D3, vitamin D2, and metabolites thereof Grant 08617898 -	2013-12-31
Active esters of N-substituted piperazine acetic acids, including isotopically enriched versions thereof Grant 8,569,304 - Dey , et al. October 29, 2	2013-10-29
Mass tags for quantitative analyses Grant 8,501,498 - Yan , et al. August 6, 2	2013-08-06
Methods, mixtures, kits and compositions pertaining to analyte determination Grant 8,492,163 - Purkayastha , et al. July 23, 2	2013-07-23
Analyte Determination Utilizing Mass Tagging Reagents Comprising A Non-encoded Detectable Label App 20130184181 - Purkayastha; Subhasish ; et al.	2013-07-18
Mass tag reagents for simultaneous quantitation and identification of small molecules Grant 8,372,653 - Dey , et al. February 12, 2	2013-02-12
Analyte determination utilizing mass tagging reagents comprising a non-encoded detectable label Grant 8,362,242 - Purkayastha , et al. January 29, 2	2013-01-29
Tagging reagents and methods for hydroxylated compounds Grant 8,236,565 - Purkayastha , et al. August 7, 2	2012-08-07
Methods, Mixtures, Kits and Compositions Pertaining to Analyte Determination App 20120196378 - Purkayastha; Subhasish ; et al.	2012-08-02
Quantitative Analysis Of Vitamin D3, Vitamin D2, And Metabolites Thereof App 20110183429 - DEY; Subhakar ; et al.	2011-07-28
Mass Tag Reagents For Simultaneous Quantitation And Identification Of Small Molecules App 20110183420 - DEY; Subhakar ; et al.	2011-07-28
Methods, mixtures, kits and compositions pertaining to analyte determination Grant 7,906,341 - Purkayastha , et al. March 15, 2	2011-03-15
Compositions, kits and methods pertaining to stability modulation of PNA oligomer/nucleic acid complexes Grant 7,892,737 - Dey , et al. February 22, 2	2011-02-22
Analyte Determination Utilizing Mass Tagging Reagents Comprising A Non-Encoded Detectable Label App 20110028685 - Purkayastha; Subhasish ; et al.	2011-02-03
Specific Analysis Of Analytes Using Reagent Compounds, Labeling Strategies, And Mass Spectrometry Workflow App 20110003395 - DEY; Subhakar ; et al.	2011-01-06
Mass Tags For Quantitative Analyses App 20100311175 - YAN; Xiongwei ; et al.	2010-12-09
Methods, Compositions And Libraries Pertaining To PNA Dimer And PNA Oligomer Synthesis App 20100190660 - Casale; Ralph A. ; et al.	2010-07-29
Active Esters of N-Substituted Piperazine Acetic Acids, Including Isotopically Enriched Versions Thereof App 20090227791 - Dey; Subhakar ; et al.	2009-09-10
Isotopically Enriched N-Substituted Piperazine Acetic Acids And Methods For The Preparation Thereof App 20090176984 - Dey; Subhakar ; et al.	2009-07-09
Methods, Mixtures, Kits And Compositions Pertaining To Analyte Determination App 20080241955 - Purkayastha; Subhasish ; et al.	2008-10-02
Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof Grant 7,355,045 - Dey , et al. April 8, 2	2008-04-08
Methods, Mixtures, Kits and Compositions Pertaining to Analyte Determination App 20070218560 - Pillai; Sasi K. ; et al.	2007-09-20
Mass tags for quantitative analyses App 20070048752 - Yan; Xiongwei ; et al.	2007-03-01
Compositions, kits and methods pertaining to stability modulation of PNA oligomer/nucleic acid complexes App 20070003966 - Dey; Subhakar ; et al.	2007-01-04
Active esters of N-substituted piperazine acetic acids, including isotopically enriched versions thereof App 20050148771 - Dey, Subhakar ; et al.	2005-07-07
Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof App 20050148774 - Dey, Subhakar ; et al.	2005-07-07
Methods, compositions and libraries pertaining to PNA dimer and PNA oligomer synthesis App 20040142355 - Casale, Ralph A. ; et al.	2004-07-22
Methods, compositions and libraries pertaining PNA dimer and PNA oligomer synthesis App 20040137469 - Casale, Ralph A. ; et al.	2004-07-15

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