Patents by Inventor James V. Hay

James V. Hay 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).

  • Herbicidal thiazole derivatives
    Patent number: 4943312
    Abstract: Certain N-[(heterocyclic)aminocarbonyl]thiazolesulfonamides, such as N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]-4-thiazolesulfonamide, are useful as herbicides and/or plant growth regulants.
    Type: Grant
    Filed: May 14, 1984
    Date of Patent: July 24, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Anthony D. Wolf
  • Thiazole derivatives
    Patent number: 4919706
    Abstract: Certain N-[(heterocyclic)aminocarbonyl]thiazolesulfonamides, such as N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]-4-thiazolesulfonamide, are useful as herbicides and/or plant growth regulants.
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: April 24, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Anthony D. Wolf
  • Herbicidal sulfonamides
    Patent number: 4895591
    Abstract: The invention relates to certain pyridine sulfonamide compounds having haloalkenyl substituents ortho to the sulfonylurea linkage.
    Type: Grant
    Filed: August 30, 1988
    Date of Patent: January 23, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal sulfonamides
    Patent number: 4867783
    Abstract: This invention relates to certain sulfonylurea compounds having substituents ortho to the sulfonyl-urea linkage that includes a 3- or 4-membered carbocyclic ring, a saturated 5- or 6-membered carbocyclic ring of a heterocyclic ring which contains 1 hetero-atom selected from O, S and NR.sub.3, agriculturally suitable compositions thereof and a method of their use as herbicides or plant growth regulants.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: September 19, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal sulfonamides
    Patent number: 4822403
    Abstract: The invention relates to certain sulfonamide compounds having substituents ortho to the sulfonylurea linkage, said substituents including alkenyl, substituted alkenyl, cycloalkenyl, substituted cycloalkenyl, alkynyl and substituted alkynyl.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: April 18, 1989
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal sulfonamides
    Patent number: 4786313
    Abstract: The invention relates to certain pyridine sulfonamide compounds having haloalkenyl substituents ortho to the sulfonylurea linkage.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: November 22, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal sulfonamides
    Patent number: 4743292
    Abstract: The invention relates to certain pyrazole sulfonamide compounds having haloalkenyl substituents ortho to the sulfonylurea linkage.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal sulfonamides
    Patent number: 4741758
    Abstract: The invention relates to certain thiophene sulfonamide compounds having alkenyl substituents ortho to the sulfonylurea linkage.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: May 3, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal 2,6-disubstituted benzylsulfonamides and benzebesulfamates
    Patent number: 4737185
    Abstract: This invention relates to novel disubstituted benzylsulfonamides and benzenesulfamates, agriculturally suitable compositions thereof and a method of their use as preemergent or postemergent herbicides or plant growth regulants.
    Type: Grant
    Filed: April 13, 1987
    Date of Patent: April 12, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, George Levitt
  • Herbicidal sulfonamides
    Patent number: 4732604
    Abstract: This invention relates to certain sulfonylurea compounds having substituents ortho to the sulfonylurea linkage that includes a 3- or 4- membered carbocyclic ring, a saturated 5- or 6- membered carbocyclic ring or a heterocyclic ring which contains 1 heteroatom selected from O, S and NR.sub.3, agriculturally suitable compositions thereof and a method of their use as herbicides or plant growth regulants.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: March 22, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal sulfonamides
    Patent number: 4721521
    Abstract: The invention relates to certain pyridine sulfonamide compounds having haloalkenyl substituents ortho to the sulfonylurea linkage.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: January 26, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal benzenesulfonamides
    Patent number: 4687508
    Abstract: Sulfonylurea compounds which contain dihydroisobenzofuran, dihydroisobenzothiophene, or isoindoline 4-sulfonamide substituents such as 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c] furan-4-sulfonamide and their use as agricultural chemicals, including plant growth regulants and herbicides.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: August 18, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Richard F. Sauers
  • Herbicidal 2,6-disubstituted benzylsulfonamides and benzenesulfamates
    Patent number: 4678500
    Abstract: This invention relates to novel disubstituted benzylsulfonamides and benzenesulfamates, agriculturally suitable compositions thereof and a method of their use as preemergent or postemergent herbicides or plant growth regulants.
    Type: Grant
    Filed: August 21, 1985
    Date of Patent: July 7, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, George Levitt
  • Herbicidal sulfonamides
    Patent number: 4666501
    Abstract: This invention relates to certain sulfonylurea compounds having substituents ortho to the sulfonylurea linkage that includes a 3- or 4- membered carbocyclic ring, a saturated 5- or 6- membered carbocyclic ring or a heterocyclic ring which contains 1 heteroatom selected from O, S and NR.sub.3, agriculturally suitable compositions thereof and a method of their use as herbicides or plant growth regulants.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: May 19, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Herbicidal benzenesulfonamides
    Patent number: 4578108
    Abstract: Sulfonylurea compounds which contain dihydroisobenzofuran, dihydroisobenzothiophene, or isoindoline 4-sulfonamide substituents such as 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c] furan-4-sulfonamide and their use as agricultural chemicals, including plant growth regulants and herbicides.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: March 25, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Richard F. Sauers
  • Herbicidal benzenesulfonamides
    Patent number: 4521241
    Abstract: Sulfonylurea compounds which contain dihydroisobenzofuran, dihydroisobenzothiophene, or isoindoline 4-sulfonamide substituents such as 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c] furan-4-sulfonamide and their use as agricultural chemicals, including plant growth regulants and herbicides.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: June 4, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Richard F. Sauers
  • Insecticidal carbamates
    Patent number: 4210668
    Abstract: Insecticidal and nematicidal carbamates such as 2-[N-methyl-N-[N-methyl-N-[(1-methylthioethylidene)aminooxycarbonyl]aminot hio]aminocarbonyloxy]benzoic acid esters and amides exhibit increased residual insecticidal and nematicidal activity and reduced cotton phytotoxicity.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: July 1, 1980
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James V. Hay
  • Substituted carbamate intermediate
    Patent number: 4127605
    Abstract: N,N'-[1,2-Ethanediylbis(thio)]bis[N-methylcarbamic fluoride] useful as an intermediate in preparation of insecticides.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: November 28, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James V. Hay