Patents by Inventor Suresh Kumar SYTHANA

Suresh Kumar SYTHANA 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).

  • A PROCESS FOR THE PREPARATION OF SUBSTITUTED PYRIDINE COMPOUNDS AND INTERMEDIATES THEREOF
    Publication number: 20240018106
    Abstract: The present invention discloses a process for the preparation of substituted pyridine compounds of formula (I), comprises a step in which vinylogous nitriles of formula (II), are obtained from substituted ?,?-unsaturated nitrile compounds of formula (III), and a further step of converting the vinylogous nitrile compounds of formula (II) into substituted pyridines of formula (I); wherein R1, R2, R3, R4 and LG are as defined in the description.
    Type: Application
    Filed: September 10, 2021
    Publication date: January 18, 2024
    Applicant: PI INDUSTRIES LTD.
    Inventors: Pranab Kumar PATRA, Suresh Kumar SYTHANA, Pramod NAGLE, Kantilal Balu SHENDE, Vipender SINGH, Alexander G.M. KLAUSENER
  • A PROCESS FOR THE SYNTHESIS OF ANTHRANILIC ACID/AMIDE COMPOUNDS AND INTERMEDIATES THEREOF
    Publication number: 20230339906
    Abstract: The present invention discloses a process for the synthesis of compound of formula (VII) or a salt thereof, wherein, R, R1, R2, R3, R4a and R4b are as defined in the detailed description. The process further comprises the synthesis of an anthranilic diamide compound of formula (I).
    Type: Application
    Filed: September 25, 2021
    Publication date: October 26, 2023
    Applicant: PI INDUSTRIES LTD.
    Inventors: Suresh Kumar SYTHANA, Pramod NAGLE, Vijay Kumar Kumar, Shrikant Bhausaheb KANAWADE, Tukaram Nivrutti CHANDRE, Vinayak Kisan THUBE, Pradeep Prakash PATIL, Shalini SHUKLA, Kantilal Balu SHENDE, Pranab Kumar PATRA, Alexander G.M. KLAUSENER
  • A PROCESS FOR PREPARING ANTHRANILIC DIAMIDES AND INTERMEDIATES THEREOF
    Publication number: 20220144814
    Abstract: The present invention relates a novel process for preparing a compound of Formula I, wherein, R1, R2, R3a, R3b, R3c, R4, R5, R6, R7 and Z are as defined in the description. The process comprises a novel and inventive step of converting a dione of Formula II into an isatoic anhydride of Formula V in a single step. wherein, R2 is F, Cl, Br or I; R1, R3a, R3b, R3c, R4, R5, R6, R7 and Z are as defined in the description.
    Type: Application
    Filed: February 14, 2020
    Publication date: May 12, 2022
    Applicant: PI INDUSTRIES LTD.
    Inventors: Alexander KLAUSENER, Shrikant Bhausaheb KANAWADE, Vijay Kumar SALVI, Suresh Kumar SYTHANA, Yuvraj Navnath KALE, Pramod Subhash NAGLE, Deepak Shankar PANMAND