Patents by Inventor Chokalingam Devarajan

Chokalingam Devarajan 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).

  • Process for converting S-enantiomer to its racemic form
    Patent number: 11319277
    Abstract: The present invention relates to a novel process for converting the unwanted S enantiomer form to its useful raceme with respect to a 4-aminoindane derivative and to novel intermediates of said process.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: May 3, 2022
    Assignee: FMC Corporation
    Inventors: Narayana Swamy, Chokalingam Devarajan, Ravindra Vitthal Datar
  • N-(7-fluoro-1,1,3-trimethyl -1 H-inden-4yl) amides and a process for preparing same
    Patent number: 11208374
    Abstract: The present invention relates to N-(7-fluoro-1,1,3-trimethyl-1H-inden-4yl) amides and a process for preparing same. The novel amides are useful in a process for converting the unwanted S enantiomer form of a 4-aminoindane derivative to its useful raceme.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: December 28, 2021
    Assignee: FMC Corporation
    Inventors: Narayana Swamy, Chokalingam Devarajan, Ravindra Vitthal Datar
  • PROCESS FOR CONVERTING S-ENANTIOMER TO ITS RACEMIC FORM
    Publication number: 20200157039
    Abstract: The present invention relates to a novel process for converting the unwanted S enantiomer form to its useful raceme with respect to a 4-aminoindane derivative and to novel intermediates of said process.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 21, 2020
    Inventors: Narayana Swamy, Chokalingam Devarajan, Ravindra Vitthal Datar
  • Process for converting S-enantiomer to its racemic form
    Patent number: 10570086
    Abstract: The present invention relates to a novel process for converting the unwanted S enantiomer form to its useful raceme with respect to a 4-aminoindane derivative.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: February 25, 2020
    Assignee: FMC Corporation
    Inventors: Narayana Swamy, Chokalingam Devarajan, Ravindra Vitthal Datar
  • PROCESS FOR CONVERTING S-ENANTIOMER TO ITS RACEMIC FORM
    Publication number: 20200055809
    Abstract: The present invention relates to a novel process for converting the unwanted S enantiomer form to its useful raceme with respect to a 4-aminoindane derivative and to novel intermediates of said process.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Inventors: Narayana Swamy, Chokalingam Devarajan, Ravindra Vitthal Datar
  • PROCESS FOR CONVERTING S-ENANTIOMER TO ITS RACEMIC FORM
    Publication number: 20190092716
    Abstract: The present invention relates to a novel process for converting the unwanted S enantiomer form to its useful raceme with respect to a 4-aminoindane derivative.
    Type: Application
    Filed: March 15, 2017
    Publication date: March 28, 2019
    Inventors: Narayana Swamy, Chokalingam Devarajan, Ravindra Datar