Patents by Inventor Thomas L. Siddall

Thomas L. Siddall 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
  • 4-amino-6-(1,3-benzodioxole)picolinates and their use as herbicides
    Patent number: 11718604
    Abstract: Described herein are 4-amino-6-(1,3-benzodioxole)picolinic acids, compositions comprising 4-amino-6-(1,3-benzodioxole)picolinic acids, and the use of these compounds and compositions to control undesirable vegetation.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: August 8, 2023
    Inventors: Jeremy Kister, Norbert M. Satchivi, Thomas L. Siddall, Lindsey G. Horty, Noormohamed M. Niyaz, Jeffrey B. Epp
  • PYRIDINE AND PYRIMIDINE CARBOXYLATE HERBICIDES AND METHODS OF USE THEREOF
    Publication number: 20230017045
    Abstract: Provided herein are pyridine and pyrimidine carboxylates and their derivatives, and compositions and methods of use thereof as herbicides.
    Type: Application
    Filed: October 26, 2018
    Publication date: January 19, 2023
    Applicant: Dow AgroSciences LLC
    Inventors: Jared Bell, Ann M. Buysse, John F. Daeuble, Joseph D. Eckelbarger, Jeffrey B. Epp, Nicholas M. Irvine, Jeremy Kister, William C. Lo, Michael R. Loso, Christian T. Lowe, John C. Rohanna, Norbert M. Satchivi, Thomas L. Siddall, Kimberly M. Steward, Carla N. Yerkes
  • 4-AMINO-6-(1,3-BENZODIOXOLE)PICOLINATES AND THEIR USE AS HERBICIDES
    Publication number: 20210230147
    Abstract: Described herein are 4-amino-6-(1,3-benzodioxole)picolinic acids, compositions comprising 4-amino-6-(1,3-benzodioxole)picolinic acids, and the use of these compounds and compositions to control undesirable vegetation.
    Type: Application
    Filed: May 9, 2019
    Publication date: July 29, 2021
    Applicant: Dow AgroSciences LLC
    Inventors: Jeremy Kister, Norbert M. Satchivi, Thomas L. Siddall, Lindsey G. Horty, Noormohamed M. Niyaz, Jeffrey B. Epp
  • 4-amino-6-(pyridyl and 2-substitutedphenyl)-picolinates and 6-amino-2-(pyridyl and 2-substitutedphenyl)-pyrimidine-4-carboxylates and their use as herbicides
    Patent number: 10765114
    Abstract: 4-amino-6-(pyridyl and 2-substitutedphenyl)-picolinic acids and their derivatives; 6-amino-2-(pyridyl and 2-substitutedphenyl)-pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: September 8, 2020
    Assignee: Dow AgroSciences LLC
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Lindsey G. Fischer, Natalie C. Giampietro, Jeremy Kister, Jeffrey Petkus, Joshua Roth, Norbert M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Carla N. Yerkes
  • 4-AMINO-6-(HETEROCYCLIC)PICOLINATES AND 6-AMINO-2-(HETEROCYCLIC)PYRIMIDINE-4-CARBOXYLATES AND THEIR USE AS HERBICIDES
    Publication number: 20190071457
    Abstract: 4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Application
    Filed: November 1, 2018
    Publication date: March 7, 2019
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Stephen Craig Fields, Lindsey G. Fischer, Natalie C. Giampietro, Katherine A. Guenthenspberger, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbert M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Nick X. Wang
  • Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids
    Patent number: 9951018
    Abstract: 4-Alkoxy-3-hydroxypicolinic acids may be conveniently prepared from 2-hydroxypicolinonitrile in a series of chemical steps selected from chlorination, chloro substitution, nitrile hydrolysis and chloro reduction.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: April 24, 2018
    Assignee: Dow AgroSciences LLC
    Inventors: Patrick S. Hanley, Nakyen Choy, Thomas L. Siddall, Gregory T. Whiteker
  • PROCESS FOR THE PREPARATION OF 4-ALKOXY-3-HYDROXYPICOLINIC ACIDS
    Publication number: 20170247330
    Abstract: 4-Alkoxy-3-hydroxypicolinic acids may be conveniently prepared from 2-hydroxypicolinonitrile in a series of chemical steps selected from chlorination, chloro substitution, nitrile hydrolysis and chloro reduction.
    Type: Application
    Filed: February 27, 2017
    Publication date: August 31, 2017
    Applicant: Dow AgroSciences LLC
    Inventors: Patrick S. Hanley, Nakyen Choy, Thomas L. Siddall, Gregory T. Whiteker
  • 4-amino-6-(heterocyclic)picolinates and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their use as herbicides
    Patent number: 9637505
    Abstract: 4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 2, 2017
    Assignee: Dow AgroSciences LLC
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Stephen Craig Fields, Lindsey G. Fischer, Natalie C. Giampietro, Katherine A. Guenthenspberger, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbert M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Nick X. Wang
  • 4-amino-6-(heterocyclic)picolinates and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their use as herbicides
    Patent number: 9611282
    Abstract: 4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: April 4, 2017
    Assignee: Dow AgroSciences LLC
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Stephen Craig Fields, Lindsey G. Fischer, Natalie C. Giampietro, Katherine A. Guenthenspberger, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbert M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Nick X. Wang
  • 4-AMINO-6-(HETEROCYCLIC)PICOLINATES AND 6-AMINO-2-(HETEROCYCLIC)PYRIMIDINE-4-CARBOXYLATES AND THEIR USE AS HERBICIDES
    Publication number: 20170050957
    Abstract: 4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Application
    Filed: November 8, 2016
    Publication date: February 23, 2017
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Stephen Craig Fields, Lindsey G. Fischer, Natalie C. Giampietro, Katherine A. Guenthenspberger, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbert M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Nick X. Wang
  • 3-alkoxy, thioalkyl and amino-4-amino-6-(substituted)picolinates and their use as herbicides
    Patent number: 9518018
    Abstract: 3-alkoxy, thioalkyl and amino-4-amino-6-(substituted)picolinic acids having a halogen, alkyl or mono-, di-tri- and tetra-substituted aryl substituents in the 6-position, and their acid derivatives, are herbicides demonstrating a broad spectrum of weed control.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: December 13, 2016
    Assignee: Dow AgroSciences LLC
    Inventors: Jeffrey B. Epp, Christian T. Lowe, James M. Renga, Paul R. Schmitzer, Joseph D. Eckelbarger, Katherine A. Guenthenspberger, Thomas L. Siddall, Carla N. Yerkes, Lindsey G. Horty, Natalie C. Giampietro, Jeremy Kister, Joshua Roth
  • 4-amino-6-(heterocyclic)picolinates and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their use as herbicides
    Patent number: 9278985
    Abstract: 4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: March 8, 2016
    Assignee: Dow AgroSciences LLC
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Stephen Craig Fields, Lindsey G. Fischer, Natalie C. Giampietro, Katherine A. Guenthenspberger, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbet M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Nick X. Wang
  • 2-(poly-substituted aryl)-6-amino-5-halo-4-pyrimidinecarboxylic acids and their use as herbicides
    Patent number: 9199943
    Abstract: 6-Amino-5-halo-4-pyrimidinecarboxylic acids having poly-substituted aryl substituents in the 2-position, and their amine and acid derivatives, are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: December 1, 2015
    Assignee: Dow AgroSciences, LLC.
    Inventors: Jeffrey B. Epp, Paul R. Schmitzer, James M. Ruiz, Terry W. Balko, Thomas L. Siddall, Carla N. Yerkes
  • Arylalkyl esters of 4-amino-6-(substituted phenyl)-picolinates and 6-amino-2-(substituted phenyl)-pyrimidinecarboxylates and their use as selective herbicides for crops
    Patent number: 9169217
    Abstract: Arylalkyl esters of 4-aminopicolinic acids and 6-amino-4-pyrimidinecarboxylates are herbicides for control of weeds especially those species common to rice and wheat cropping systems and in pasture management programs.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: October 27, 2015
    Assignee: Dow AgroSciences LLC
    Inventors: Carla N. Yerkes, Christian T. Lowe, Joseph D. Eckelbarger, Jeffrey B. Epp, Katherine A. Guenthenspberger, Thomas L. Siddall, Paul R. Schmitzer
  • 4-amino-6-(heterocyclic)picolinates and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their use as herbicides
    Patent number: 9149038
    Abstract: Novel 4-amino-6-(heterocyclic)picolinic acids and their derivatives and 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives are useful to control undesirable vegetation.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 6, 2015
    Assignee: Dow AgroSciences LLC
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Lindsey G. Fischer, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbert M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall
  • 4-AMINO-6-(HETEROCYCLIC)PICOLINATES AND 6-AMINO-2-(HETEROCYCLIC)PYRIMIDINE-4-CARBOXYLATES AND THEIR USE AS HERBICIDES
    Publication number: 20150274756
    Abstract: 4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Application
    Filed: June 12, 2015
    Publication date: October 1, 2015
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Stephen Craig Fields, Lindsey G. Fischer, Natalie C. Giampietro, Katherine A. Guenthenspberger, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbet M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Nick X. Wang
  • 4-amino-6-(4-substituted-phenyl)-picolinates and 6-amino-2-(4-substituted-phenyl)-pyrimidine-4-carboxylates and their use as herbicides
    Patent number: 9113629
    Abstract: Provided herein are 4-amino-6-(4-substituted-phenyl)-picolinic acids and their derivatives, and 6-amino-2-(4-substituted-phenyl)-pyrimidine-4-carboxylic acids and their derivatives, compositions comprising the acids and their derivatives, and methods of use thereof as herbicides.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 25, 2015
    Assignee: Dow AgroSciences LLC
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Lindsey G. Fischer, Natalie C. Giampietro, Nicholas M. Irvine, Jeremy Kister, William C. Lo, Christian T. Lowe, Jeffrey Petkus, Joshua Roth, Norbert M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Carla N. Yerkes
  • 3-ALKOXY, THIOALKYL AND AMINO-4-AMINO-6-(SUBSTITUTED)PICOLINATES AND THEIR USE AS HERBICIDES
    Publication number: 20150133301
    Abstract: 3-alkoxy, thioalkyl and amino-4-amino-6-(substituted)picolinic acids having a halogen, alkyl or mono-, di-tri- and tetra-substituted aryl substituents in the 6-position, and their acid derivatives, are herbicides demonstrating a broad spectrum of weed control.
    Type: Application
    Filed: April 29, 2014
    Publication date: May 14, 2015
    Applicant: DOW AGROSCIENCES LLC
    Inventors: Jeffrey B. Epp, Christian T. Lowe, James M. Renga, Paul R. Schmitzer, Joseph D. Eckelbarger, Katherine A. Guenthenspberger, Thomas L. Siddall, Carla N. Yerkes, Lindsey G. Fischer, Natalie C. Giampietro, Jeremy Kister, Joshua Roth
  • 4-AMINO-6-(HETEROCYCLIC)PICOLINATES AND 6-AMINO-2-(HETEROCYCLIC)PYRIMIDINE-4-CARBOXYLATES AND THEIR USE AS HERBICIDES
    Publication number: 20150126366
    Abstract: 4-Amino-6-(heterocyclic)picolinic acids and their derivatives; 6-amino-2-(heterocyclic)pyrimidine-4-carboxylates and their derivatives; and methods of using the same as herbicides.
    Type: Application
    Filed: November 13, 2014
    Publication date: May 7, 2015
    Inventors: Joseph D. Eckelbarger, Jeffrey B. Epp, Stephen Craig Fields, Lindsey G. Fischer, Natalie C. Giampietro, Katherine A. Guenthenspberger, Christian T. Lowe, Jeff Petkus, Joshua Roth, Norbet M. Satchivi, Paul R. Schmitzer, Thomas L. Siddall, Nick X. Wang