Patents by Inventor Amaruka Hazari

Amaruka Hazari 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).

  • IMPROVED SYNTHESIS OF 4-AMINO-6-(HETEROCYCLIC)PICOLINATES
    Publication number: 20230357155
    Abstract: The present disclosure relates to improved processes for preparing 4-amino-6-(heterocyclic)picolinates.
    Type: Application
    Filed: March 17, 2021
    Publication date: November 9, 2023
    Applicant: CORTEVA AGRISCIENCE LLC
    Inventors: BELGIN CANTURK, JAYACHANDRAN DEVARAJ, AMARUKA HAZARI, CHRISTOPHER KASSL, MELISSA LEE, FANGZHENG LI, CHRISTIAN T. LOWE, THOMAS L. SIDDALL, GREGORY T. WHITEKER, CHUNMING ZHANG
  • PREPARATION OF COMPOUNDS HAVING PESTICIDAL ACTIVITY
    Publication number: 20230167061
    Abstract: A method of forming a compound of formula (I) is provided. Some embodiments of the compound of formula (I) are known to have herbicidal activity. The method comprises combining a compound of formula (II) and a compound of formula (IIIa) or (IIIb), or a salt or ester thereof: in a liquid mixture comprising the compounds of formula (II), formula (IIIa) or (IIIb), water, a non-aqueous solvent, a surfactant, a catalyst, and a ligand at certain temperature, pH, and HLB ranges to form a chemical reaction product mixture comprising the compound of formula (I) and by-products.
    Type: Application
    Filed: May 7, 2021
    Publication date: June 1, 2023
    Applicant: CORTEVA AGRISCIENCE LLC
    Inventors: AMARUKA HAZARI, NICHOLAS M. IRVINE, MELISSA LEE, XIAOYONG LI, ABRAHAM SCHUITMAN, SUELEN VASQUEZ CESPEDES
  • Preparation of sulfonamide herbicide process intermediates
    Patent number: 11390587
    Abstract: Improved methods for preparing chemical precursors to sulfonyl chloride III, which are important intermediates in the preparation of pyroxsulam herbicide are provided. Specifically, these precursors are compounds of Formulas VII and/or VIII, and IX, wherein R is a C1-C6 alkyl, R1 is a C1-C6 alkyl, X is Cl or OH, Y is halogen, OH, or OR2, and R2 is a C1-C6 alkyl.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 19, 2022
    Assignee: Corteva Agriscience LLC
    Inventors: Jossian Oppenheimer, Matthias S. Ober, Mark E. Ondari, Michael Gullo, Jayachandran Devaraj, Amaruka Hazari, Will Kruper
  • PREPARATION OF SULFONAMIDE HERBICIDE PROCESS INTERMEDIATES
    Publication number: 20220041554
    Abstract: Improved methods for preparing chemical precursors to sulfonyl chloride III, which are important intermediates in the preparation of pyroxsulam herbicide are provided. Specifically, these precursors are compounds of Formulas VII and/or VIII, and IX, wherein R is a C1-C6 alkyl, R1 is a C1-C6 alkyl, X is Cl or OH, Y is halogen, OH, or OR2, and R2 is a C1-C6 alkyl.
    Type: Application
    Filed: December 20, 2019
    Publication date: February 10, 2022
    Applicant: Corteva Agriscience LLC
    Inventors: Jossian Oppenheimer, Matthias S. Ober, Mark E. Ondari, Michael Gullo, Jayachandran Devaraj, Amaruka Hazari, Will Kruper
  • Bis-ligated phosphaguanidine group IV metal complexes and olefin polymerization catalysts produced therefrom
    Patent number: 11214632
    Abstract: Embodiments are directed to monophosphaguanidine ligands and the bis ligated metal-complexes formed therefrom, wherein the metal-ligand complexes are polymerization catalysts comprising the following structure (I).
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 4, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Arkady L. Krasovskiy, Matthew D. Christianson, Amaruka Hazari, Heather Spinney, Robert D J Froese
  • BIS-LIGATED PHOSPHAGUANIDINE GROUP IV METAL COMPLEXES AND OLEFIN POLYMERIZATION CATALYSTS PRODUCED THEREFROM
    Publication number: 20200024377
    Abstract: Embodiments are directed to monophosphaguanidine ligands and the bis ligated metal-complexes formed therefrom, wherein the metal-ligand complexes are polymerization catalysts comprising the following structure (I).
    Type: Application
    Filed: September 29, 2017
    Publication date: January 23, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Andrew M. Camelio, Arkady L. Krasovskiy, Matthew D. Christianson, Amaruka Hazari, Heather Spinney, Robert DJ Froese