Patents by Inventor Subhakar Dey

Subhakar Dey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof
    Patent number: 7355045
    Abstract: In some embodiments, this invention pertains to isotopically enriched N-substituted piperazine acetic acids. In some embodiments, this invention pertains to methods for the preparation of isotopically enriched N-substituted piperazine acetic acids.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: April 8, 2008
    Assignee: Applera Corporation
    Inventors: Subhakar Dey, Darryl J. C. Pappin, Subhasish Purkayastha, Sasi Pillai, James M. Coull
  • Methods, Mixtures, Kits and Compositions Pertaining to Analyte Determination
    Publication number: 20070218560
    Abstract: This invention pertains to methods, mixtures, kits and compositions pertaining to analyte determination by mass spectrometry.
    Type: Application
    Filed: January 22, 2007
    Publication date: September 20, 2007
    Applicant: Applera Corporation.
    Inventors: Sasi Pillai, Subhakar Dey, Subhasish Purkayastha, Darryl Pappin
  • Mass tags for quantitative analyses
    Publication number: 20070048752
    Abstract: This invention pertains to methods, mixtures, kits and/or compositions for the determination of analytes by mass analysis using unique labeling reagents or sets of unique labeling reagents. The labeling reagents can be isomeric or isobaric and can be used to produce mixtures suitable for multiplex analysis of the labeled analytes.
    Type: Application
    Filed: February 15, 2006
    Publication date: March 1, 2007
    Applicant: Applera Corporation
    Inventors: Xiongwei Yan, Pau-Miau Yuan, Sylvia Yuen, Kuo-Liang Hsi, Joe Lam, Krishna Upadhya, Subhakar Dey, Darryl Pappin, Sasi Pillai, Helena Huang, Subhasish Purkayastha
  • Compositions, kits and methods pertaining to stability modulation of PNA oligomer/nucleic acid complexes
    Publication number: 20070003966
    Abstract: This invention is related to methods, kits and compositions pertaining to stability modulation of PNA oligomer/nucleic acid complexes.
    Type: Application
    Filed: June 29, 2006
    Publication date: January 4, 2007
    Applicant: Applera Corporation
    Inventors: Subhakar Dey, Eric Anderson
  • Isotopically enriched N-substituted piperazine acetic acids and methods for the preparation thereof
    Publication number: 20050148774
    Abstract: In some embodiments, this invention pertains to isotopically enriched N-substituted piperazine acetic acids. In some embodiments, this invention pertains to methods for the preparation of isotopically enriched N-substituted piperazine acetic acids.
    Type: Application
    Filed: January 5, 2004
    Publication date: July 7, 2005
    Inventors: Subhakar Dey, Darryl Pappin, Subhasish Purkayastha, Sasi Pillai, James Coull
  • Active esters of N-substituted piperazine acetic acids, including isotopically enriched versions thereof
    Publication number: 20050148771
    Abstract: In some embodiments, this invention pertains to active esters of N-substituted piperazine acetic acid, including isotopically enriched versions thereof. In some embodiments, this invention pertains to methods for the preparation of active esters of N-substituted piperazine acetic acid, including isotopically enriched versions thereof.
    Type: Application
    Filed: January 5, 2004
    Publication date: July 7, 2005
    Inventors: Subhakar Dey, Darryl Pappin, Subhasish Purkayastha, Sasi Pillai, James Coull
  • Methods, compositions and libraries pertaining to PNA dimer and PNA oligomer synthesis
    Publication number: 20040142355
    Abstract: This invention pertains to the field of PNA dimer and PNA oligomer synthesis.
    Type: Application
    Filed: October 29, 2003
    Publication date: July 22, 2004
    Inventors: Ralph A. Casale, James M. Coull, Subhakar Dey, Kevin Z. Gan, Bruce A. Kowalczyk
  • Methods, compositions and libraries pertaining PNA dimer and PNA oligomer synthesis
    Publication number: 20040137469
    Abstract: This invention pertains to the field of PNA dimer and PNA oligomer synthesis.
    Type: Application
    Filed: September 5, 2003
    Publication date: July 15, 2004
    Inventors: Ralph A. Casale, James M. Coull, Subhakar Dey