Patents by Inventor William C. Lo

William C. Lo 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).

  • 2-(2-FLUORO-SUBSTITUTED PHENYL)-6-AMINO-5-CHLORO-4-PYRIMIDINECARBOXYLATES AND THEIR USE AS HERBICIDES
    Publication number: 20100120621
    Abstract: 2-(2-Fluoro-substituted phenyl)-6-amino-5-chloro-4-pyrimidine carboxylic acid and its derivatives are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Application
    Filed: January 15, 2010
    Publication date: May 13, 2010
    Applicant: DOW AGROSCIENCES LLC
    Inventors: Jeffrey B. Epp, William C. Lo, Paul R. Schmitzer, Carla N. Yerkes
  • 2-SUBSTITUTED-6-AMINO-5-ALKYL, ALKENYL OR ALKYNYL-4-PYRIMIDINECARBOXYLIC ACIDS AND 6-SUBSTITUTED-4-AMINO-3-ALKYL, ALKENYL OR ALKYNYL PICOLINIC ACIDS AND THEIR USE AS HERBICIDES
    Publication number: 20100041556
    Abstract: 6-Amino-4-pyrimidinecarboxylic acids having alkyl, alkenyl or alkynyl substituents in the 5-position and 4-aminopicolinic acids having alkyl, alkenyl or alkynyl substituents in the 3-position, and their amine and acid derivatives, are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Application
    Filed: October 20, 2009
    Publication date: February 18, 2010
    Applicant: DOW AGROSCIENCES LLC
    Inventors: Jeffrey B. Epp, Paul R. Schmitzer, Terry W. Balko, James M. Ruiz, Carla N. Yerkes, Thomas L. Siddall, William C. Lo
  • 2-(substituted phenyl)-6-amino-5-alkoxy, thioalkoxy and aminoalkyl-4-pyrimidinecarboxylates and their use as herbicides
    Patent number: 7642220
    Abstract: 2-(Substituted phenyl)-6-amino-5-alkoxy, thioalkoxy and aminoalkyl-4-pyrimidinecarboxylic acid and its derivatives are potent herbicides demonstrating broad spectrum of weed control.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: January 5, 2010
    Assignee: Dow AgroSciences LLC
    Inventors: Jeffrey B. Epp, Paul R. Schmitzer, Katherine A. Guenthenspberger, William C. Lo, Thomas L. Siddall
  • PESTICIDES
    Publication number: 20090221424
    Abstract: Compounds having the following generic formula are disclosed.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 3, 2009
    Applicant: Dow AgroSciences LLC
    Inventors: Nneka T. Breaux, Michael R. Loso, Timothy C. Johnson, Jonathan M. Babcock, Benjamin M. Nugent, Timothy P. Martin, Annette V. Brown, Ronald Ross, JR., William C. Lo, Matthias S. Ober
  • 2-(SUBSTITUTED PHENYL)-6-AMINO-5-ALKOXY, THIOALKOXY AND AMINOALKYL-4-PYRIMIDINECARBOXYLATES AND THEIR USE AS HERBICIDES
    Publication number: 20090062125
    Abstract: 2-(Substituted phenyl)-6-amino-5-alkoxy, thioalkoxy and aminoalkyl-4-pyrimidinecarboxylic acid and its derivatives are potent herbicides demonstrating broad spectrum of weed control.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 5, 2009
    Inventors: Jeffrey B. Epp, Paul R. Schmitzer, Katherine A. Guenthenspberger, William C. Lo, Thomas L. Siddall
  • 2-(2-FLUORO-SUBSTITUTED PHENYL)-6-AMINO-5-CHLORO-4-PYRIMIDINECARBOXYLATES AND THEIR USE AS HERBICIDES
    Publication number: 20090048109
    Abstract: 2-(2-Fluoro-substituted phenyl)-6-amino-5-chloro-4-pyrimidine-carboxylic acid and its derivatives are potent herbicides demonstrating a broad spectrum of weed control.
    Type: Application
    Filed: July 30, 2008
    Publication date: February 19, 2009
    Applicant: Dow AgroSciences LLC
    Inventors: Jeffrey B. Epp, William C. Lo, Paul R. Schmitzer, Carla N. Yerkes
  • Diarylisoxazolines
    Publication number: 20080262057
    Abstract: The invention disclosed in this document is related to field of pesticides and their use in controlling pests.
    Type: Application
    Filed: April 18, 2008
    Publication date: October 23, 2008
    Applicant: Dow AgroSciences LLC
    Inventors: Francis E. Tisdell, William C. Lo, Joseph D. Eckelbarger, Ricky Hunter, Noormohamed M. Niyaz, James M. Renga, Gregory T. Whiteker
  • Fungicidal compositions and methods, and compounds and methods for the preparation thereof
    Patent number: 6297401
    Abstract: Fungicidal compositions and methods comprising acylated aminosalicylamides (AASA) described herein. Novel cyclic amines and 3-nitrosalicylamides, and their use as pesticides and in the preparation of the antifungal AASA compounds are also disclosed.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: October 2, 2001
    Assignee: Dow AgroSciences LLC
    Inventors: John L. Miesel, Zoltan L. Benko, William H. Dent, III, Gregory L. Durst, Gina M. Fitzpatrick, David D. Johnson, Sylvester V. Kaster, Gregory M. Kemmitt, William C. Lo, Marc J. McKennon, Ann B. Orth, Michael J. Ricks, Richard B. Rogers, Todd L. Werk
  • Herbicidal 2-(phenoxy or phenylthio)-2-(,3,5-triazinyloxy) alkanoic acids
    Patent number: 5232896
    Abstract: 2-(Phenoxy or phenylthio)-2-(pyrimidinyloxy or 1,3,5-triazinyloxy)alkanoic acid compounds, such as ethyl 2-(2-fluorophenoxy)-2-(4,6-dimethylpyrimidin-2-yloxy)-acetate, were prepared by the reaction of a phenol or thiophenol compound with a 2-chloro-2-(pyrimidinyloxy or 1,3,5-triazinyloxy)alkanoate ester compound or by the reaction of a pyrimidinol or 1,3,5-triazinol with a 2-bromo-2-(phenoxy or phenylthio)alkanoate ester. These compounds, and, especially, agriculturally acceptable salts, esters, and amides of these compounds, were found to have herbicidal utility.
    Type: Grant
    Filed: May 6, 1992
    Date of Patent: August 3, 1993
    Assignee: DowElanco
    Inventors: Michael G. Smith, William C. Lo, Wendy S. Jacks, Robert J. Ehr
  • Herbicidal 2-(phenoxy or phenylthio)-2-(pyrimidinyloxy or 1,3,5-triazinyloxy)-alkanoic acids
    Patent number: 5151113
    Abstract: 2-(Phenoxy or phenylthio)-2-(pyrimidinyloxy or 1,3,5-triazinyloxy)alkanoic acid compounds, such as ethyl 2-(2-fluorophenoxy)-2-(4,6-dimethylpyrimidin-2-yl-oxy)acetate, were prepared by the reaction of a phenol or thiophenol compound with a 2-chloro-2-(pyrimidinyloxy or 1,3,5-triazinyloxy)alkanoate ester compound or by the reaction of a pyrimidinol or 1,3,5-triazinol with a 2-bromo-2-(phenoxy or phenylthio)alkanoate ester. These compounds, and, especially, agriculturally acceptable salts, esters, and amides of these compounds, were found to have herbicidal utility.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: September 29, 1992
    Assignee: DowElanco
    Inventors: Michael G. Smith, Wendy S. Jacks, William C. Lo, Robert J. Ehr
  • Processes for synthesizing substituted and unsubstituted aminoacetate esters
    Patent number: 4723031
    Abstract: Process for preparing certain substituted and unsubstituted aminoacetate esters. The esters can be used as intermediates for preparing herbicidal products.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: February 2, 1988
    Assignee: Chevron Research Company
    Inventor: William C. Lo