Patents by Inventor James M. Renga

James M. Renga 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 the preparation of 4,5,6-trichloropicolinic acid
    Patent number: 9440923
    Abstract: 4,5,6-Trichloropicolinic acid is prepared by selectively dechlorinating 3,4,5,6-tetrachloropicolinic acid with zinc and a catalyst prepared from a nickel compound and a bidentate ligand in a polar solvent.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: September 13, 2016
    Assignee: Dow AgroSciences LLC
    Inventors: Matthew L. Grandbois, David S. Laitar, James M. Renga, Gregory T. Whiteker
  • Fluoropicolinoyl fluorides and processes for their preparation
    Patent number: 9376388
    Abstract: Provided herein are fluoropicolinoyl fluorides and processes for their preparation. In some embodiments, provided herein is a process for the preparation of 5-fluoro-6-aryl-picolinoyl fluorides from chloropicolinoyl chlorides.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 28, 2016
    Assignee: Dow AgroSciences LLC
    Inventors: James M. Renga, Yang Cheng, Joseck M. Muhuhi, David E. Podhorez, Gary A. Roth, Scott P. West, Gregory T. Whiteker, Yuanming Zhu
  • PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-CHLORO-6-(SUBSTITUTED)PICOLINATES
    Publication number: 20160159742
    Abstract: 4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a C1-C4 alkyl propiolate and a substituted methylene amine by a series of steps.
    Type: Application
    Filed: February 10, 2016
    Publication date: June 9, 2016
    Applicant: Dow AgroSciences LLC
    Inventors: Natalie C. Giampietro, James M. Renga
  • Process for the preparation of 3-hydroxypicolinic acids
    Patent number: 9353060
    Abstract: 4,6-Dibromo-3-hydroxypicolinate esters are prepared from furan-2-yl aminoacetates in one chemical step by use of a bromination-rearrangement reaction.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: May 31, 2016
    Assignee: Dow AgroSciences LLC
    Inventor: James M. Renga
  • Use of macrocyclic picolinamides as fungicides
    Patent number: 9265253
    Abstract: The invention relates to macrocyclic picolinamides of Formula I and their use as fungicides.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: February 23, 2016
    Assignee: Dow AgroSciences LLC
    Inventors: Fangzheng Li, Kevin G. Meyer, James M. Renga, Chenglin Yao, Jeremy Wilmot, Jessica Herrick, Karla Bravo-Altamirano, Timothy Boebel
  • Process for the preparation of 4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates
    Patent number: 9260392
    Abstract: 4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a C1-C4 alkyl propiolate and a substituted methylene amine by a series of steps.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: February 16, 2016
    Assignee: Dow AgroSciences LLC
    Inventors: Natalie C. Giampietro, James M. Renga
  • PROCESS FOR THE PREPARATION OF 4,5,6-TRICHLOROPICOLINIC ACID
    Publication number: 20160039760
    Abstract: 4,5,6-Trichloropicolinic acid is prepared by selectively dechlorinating 3,4,5,6-tetrachloropicolinic acid with zinc and a catalyst prepared from a nickel compound and a bidentate ligand in a polar solvent.
    Type: Application
    Filed: August 5, 2015
    Publication date: February 11, 2016
    Applicant: Dow AgroSciences LLC
    Inventors: Matthew L. Grandbois, David S. Laitar, James M. Renga, Gregory T. Whiteker
  • MOLECULES HAVING CERTAIN PESTICIDAL UTILITIES, INTERMEDIATES, COMPOSITIONS, AND PROCESSES, RELATED THERETO
    Publication number: 20160021883
    Abstract: This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Nematoda, Arthropoda, and/or Mollusca, processes to produce such molecules and intermediates used in such processes, compositions containing such molecules, and processes of using such molecules against such pests. These molecules may be used, for example, as nematicides, acaricides, insecticides, miticides, and/or molluscicides. This document discloses molecules having the following formula (“Formula One”).
    Type: Application
    Filed: July 22, 2015
    Publication date: January 28, 2016
    Applicant: Dow AgroSciences LLC
    Inventors: Erich W. Baum, Lindsey G. Fischer, Gary D. Crouse, Thomas C. Sparks, Natalie C. Giampietro, William H. Dent, III, Noormohamed M. Niyaz, Jeff Petkus, David A. Demeter, William Thomas Lambert, CaSandra L. McLeod, Emily Marie Rigsbee, James M. Renga
  • PROCESS FOR THE PREPARATION OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS
    Publication number: 20160009649
    Abstract: 4,6-Dibromo-3-hydroxypicolinonitrile may be prepared from furfural in a series of chemical steps selected from cyano-amination, amine salt formation and bromination-rearrangement.
    Type: Application
    Filed: July 8, 2015
    Publication date: January 14, 2016
    Inventors: James M. Renga, Yuanming Zhu, Gregory T. Whiteker, Nakyen Choy
  • PROCESS FOR THE PREPARATION OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS
    Publication number: 20160009676
    Abstract: 4,6-Dibromo-3-hydroxypicolinonitrile may be prepared from furfural in a series of chemical steps selected from cyano-amination, amine salt formation and bromination-rearrangement. 4-Alkoxy-3-hydroxypicolinic acids may be conveniently prepared from 4,6-dibromo-3-hydroxypicolinonitrile in a series of chemical steps selected from bromo substitution, nitrile hydrolysis and halogen reduction.
    Type: Application
    Filed: July 8, 2015
    Publication date: January 14, 2016
    Inventors: James M. Renga, Yuanming Zhu, Gregory T. Whiteker, Nakyen Choy
  • PROCESS FOR THE PREPARATION OF 3-HYDROXYPICOLINIC ACIDS
    Publication number: 20160009647
    Abstract: 4,6-Dibromo-3-hydroxypicolinate esters are prepared from furan-2-yl aminoacetates in one chemical step by use of a bromination-rearrangement reaction.
    Type: Application
    Filed: July 7, 2015
    Publication date: January 14, 2016
    Inventor: James M. Renga
  • PROCESS FOR THE PREPARATION OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS
    Publication number: 20160009650
    Abstract: 4,6-Dibromo-3-hydroxypicolinonitrile may be prepared from furfural in a series of chemical steps selected from cyano-amination, amine salt formation and bromination-rearrangement. 4-Alkoxy-3-hydroxypicolinic acids may be conveniently prepared from 4,6-dibromo-3-hydroxypicolinonitrile in a series of chemical steps selected from bromo substitution, nitrile hydrolysis and halogen reduction.
    Type: Application
    Filed: July 8, 2015
    Publication date: January 14, 2016
    Inventors: James M. Renga, Yuanming Zhu, Gregory T. Whiteker, Nakyen Choy, Kenneth E. Stockman
  • Process for the preparation of 4-amino-5-fluoro-3-chloro-6-(substituted)picolinates
    Patent number: 9212141
    Abstract: 4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: December 15, 2015
    Assignee: Dow AgroSciences, LLC.
    Inventors: James M. Renga, Gregory T. Whiteker, Peter L. Johnson, Christopher Galliford
  • MACROCYCLIC PICOLINAMIDES AS FUNGICIDES
    Publication number: 20150289508
    Abstract: The disclosure relates to macrocyclic picolinamides of Formula I and their use as fungicides.
    Type: Application
    Filed: June 25, 2015
    Publication date: October 15, 2015
    Inventors: Kevin G. Meyer, James M. Renga, Benjamin Nugent, Fangzheng Li, W. John Owen, Chenglin Yao, Nick X. Wang
  • PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES
    Publication number: 20150274669
    Abstract: 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange and hydrolysis, esterification and transition metal assisted coupling.
    Type: Application
    Filed: June 9, 2015
    Publication date: October 1, 2015
    Applicant: Dow AgroSciences LLC
    Inventors: Kim E. Arndt, James M. Renga, Yuanming Zhu, Gregory T. Whiteker, Christian T. Lowe
  • Macrocyclic picolinamides as fungicides
    Patent number: 9144239
    Abstract: The invention relates to macrocyclic picolinamides of Formula I and their use as fungicides.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: September 29, 2015
    Assignee: Dow AgroSciences LLC
    Inventors: Kevin G. Meyer, Jr., Karla Bravo-Altamirano, James M. Renga, Jessica Herrick, Benjamin Nugent, Timothy Boebel, Fangzheng Li, Nick X. Wang, W. John Owen, Paul Graupner, Chenglin Yao, Ronald J. Heemstra
  • Insecticidal pyridine compounds
    Patent number: 9131694
    Abstract: The invention disclosed in this document is related to the field of pesticides and their use in controlling pests. Novel pyridine compounds for use in controlling pests are disclosed.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: September 15, 2015
    Assignee: Dow AgroSciences LLC
    Inventors: Noormohamed M. Niyaz, Francis E. Tisdell, Gerald B. Watson, James M. Renga, William C. Lo, Maurice C. H. Yap
  • Macrocyclic picolinamides as fungicides
    Patent number: 9131690
    Abstract: The disclosure relates to macrocyclic picolinamides of Formula I and their use as fungicides.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: September 15, 2015
    Assignee: Dow AgroSciences LLC
    Inventors: Kevin G. Meyer, Fangzheng Li, James M. Renga, W. John Owen, Benjamin M. Nugent, Chenglin Yao, Nick X. Wang
  • Processes for the preparation of 4-amino-3-halo-6-(substituted)picolinates and 4-amino-5-fluoro-3-halo-6-(substituted)picolinates
    Patent number: 9096526
    Abstract: 4-Amino-3-chloro-6-(substituted)picolinates are prepared from difluoroacetic acid or trifluoroacetic acid, tritylamine or t-butylamine as a protecting group, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: August 4, 2015
    Assignee: Dow AgroSciences LLC
    Inventors: Peter L. Johnson, James M. Renga, Natalie C. Giampietro, Gregory T. Whiteker, Christopher Galliford
  • FLUOROPICOLINOYL FLUORIDES AND PROCESSES FOR THEIR PREPARATION
    Publication number: 20150191428
    Abstract: Provided herein are fluoropicolinoyl fluorides and processes for their preparation. In some embodiments, provided herein is a process for the preparation of 5-fluoro-6-aryl-picolinoyl fluorides from chloropicolinoyl chlorides.
    Type: Application
    Filed: March 24, 2015
    Publication date: July 9, 2015
    Inventors: James M. Renga, Yang Cheng, Joseck M. Muhuhi, David E. Podhorez, Gary A. Roth, Scott P. West, Gregory T. Whiteker, Yuanming Zhu