Patents Represented by Attorney James A. Costello

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  • N-sulfenylated pyrazolines, compositions and use
    Patent number: 5196408
    Abstract: N-sulfenylated and N-acrylated pyrazoline arthropodicides, compositions containing them and methods for controlling arthropods by applying compounds of the invention to them or to their environment. The pyrazolines are selected from those of Formulae I to III wherein R.sub.1, R.sub.2, R.sub.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: March 23, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Mohamed A. H. Fahmy, deceased, Charles R. Harrison, George P. Lahm, Thomas M. Stevenson
  • Substituted semicarbazone arthropodicides
    Patent number: 5182303
    Abstract: Certain substituted semicarbazones, including all geometric and stereoisomers thereof, agricultural compositions containing them and their use as arthropodicides.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: January 26, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John P. Daub, George P. Lahm, Bradford S. Marlin
  • Tablet formulations of pesticides
    Patent number: 5180587
    Abstract: A tablet formulation comprising: (i) a pesticide characterized by low or no water solubility, and (ii) a complementary delivery system containing an organic acid, an inorganic base, a dispersant, a disintegrant, and a wetting agent.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: January 19, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Earl P. Moore
  • Process for preparing methyl- and ethyl-substituted primary anilines
    Patent number: 5171890
    Abstract: A process is disclosed for the preparation of methyl- and ethyl-substituted anilines by contacting anilines of specified formula at about 250.degree.-525.degree. C. and about 10 kPa-10 MPa of pressure in the of presence of a nonbasic metal oxide catalyst which when it is a zeolite has pore dimensions of at least about 0.52 nm and has cages with dimensions greater than about 0.75 nm.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: December 15, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Frank J. Weigert
  • Device for killing insects
    Patent number: 5150541
    Abstract: This invention concerns a device for killing insects consisting essentially of (i) a toxin-containing element, and (ii) a mesh covering for the toxin-containing element of (i) to protect nontarget organisms from contact with the toxin, the toxin-containing element comprising about 50% to 78% of the surface area and the mesh covering comprising about 22% to 50%; and a method for killing insects by exposing them to contact with the described device.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: September 29, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James P. Foster, Philip V. Jennings
  • Process for preparing methyl- and ethyl-substituted primary anilines
    Patent number: 5126484
    Abstract: A process is disclosed for the preparation of methyl- and ethyl-substituted anilines by contacting anilines of specified formula at about 250.degree.-525.degree. C. and about 10 kPa-10 MPa of pressure in the of presence of a nonbasic metal oxide catalyst which when it is a zeolite has pore dimensions of at least about 0.52 nm and has cages with dimensions greater than about 0.75 nm.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: June 30, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Frank J. Weigert
  • Heterocyclic pyrazoline carboxanilides
    Patent number: 5116850
    Abstract: Heterocyclic pyrazoline carboxanilide insecticides including all geometric and stereoisomers thereof, as well as agricultural compositions containing them.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: May 26, 1992
    Assignee: E. I. Du Pont de Nemours and Co.
    Inventor: Thomas M. Stevenson
  • Arthropodicidal use of 6-methoxy-2-benzoxazolinone to attract and control corn rootworm (Diabrotica)
    Patent number: 5112843
    Abstract: Control of arthropods, particularly the larvae of Diabrotica spp., by application of 6-methoxy-2-benzoxazolinone (6-MBOA) alone or in combination with an insecticide or biocontrol agent; and arthropodicidal compositions containing 6-MBOA.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: May 12, 1992
    Assignee: Colorado State University Research Foundation
    Inventors: Louis B. Bjostad, III, Bruce E. Hibbard
  • Preparation of methyl-1,3-5-triazines
    Patent number: 5095113
    Abstract: A method for making methyl-1,3,5-triazines including the 2,4-dichloro-6-methyl- and the 2-methyl-4-methylamino-6-methoxy-1,3,5-triazines, comprising reacting sodium dicyanamide with a cyclizing agent in the presence of HCl to make the 2,4-dichloro-6-methyl-triazine and reacting said triazine, additionally, with sodium methoxide and monomethylamine to make the 2-methyl-4-methylamino-6-methoxytriazine.
    Type: Grant
    Filed: April 26, 1991
    Date of Patent: March 10, 1992
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: George C. Chiang
  • Process for preparing methyl- and ethyl-substituted primary anilines
    Patent number: 5093527
    Abstract: A process is disclosed for the preparation of methyl- and ethyl-substituted anilines by contacting anilines of specified formula at about 250.degree.-525.degree. C. and about 10 kPa-10 MPa of pressure in the of presence of a nonbasic metal oxide catalyst which when it is a zeolite has pore dimensions of at least about 0.52 nm and has cages with dimensions greater than about 0.75 nm.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: March 3, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Frank J. Weigert
  • Insecticidal pyrazolines
    Patent number: 5091405
    Abstract: Pyrazolines and their intermediates, including all geometric and stereoisomers of the pyrazolines and intermediates, agricultural compositions containing the pyrazolines, and methods for use as insecticides.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: February 25, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Thomas M. Stevenson
  • Herbicidal pyrones
    Patent number: 5086187
    Abstract: Compounds of the general formula, including isomers and tautomers thereof: ##STR1## wherein: R.sup.1 to R.sup.5 are as defined in the text; the compounds have herbicidal and plant growth regulating properties; including compositions containing them, methods for using them and intermediates for making them.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: February 4, 1992
    Assignee: Dunlena Pty. Limited
    Inventors: Janet E. Anderson-McKay, Andris J. Liepa
  • Process for the preparation of 2-amino-4-methyl-6-methoxy-1,3,5-triazine
    Patent number: 5070199
    Abstract: A process for preparing 2-amino-4-methyl-6-methoxy-1,3,5-triazine by reacting dialkyl-N-cyanoimidocarbonate with acetamidine hydrochloride or an O-alkylacetamidate hydrochloride under basic conditions.
    Type: Grant
    Filed: May 21, 1991
    Date of Patent: December 3, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: George C. Chiang
  • Triphenyl pyrazoline compounds which are useful as insecticides
    Patent number: 5006524
    Abstract: Triphenylpyrazoline compounds, including all of their geometric isomers, stereoisomers and agriculturally suitable salts; agricultural compositions containing them; and use of such compounds as insecticides.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: April 9, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: George P. Lahm
  • Herbicidal sulfonamides
    Patent number: 4995901
    Abstract: Herbicidal sulfonamides having the general formula ##STR1## wherein J, W, R and A are more particularly described herein, such compounds and agricultural compositions containing them being useful as preemergent or postemergent herbicides or both, or as plant growth regulants, including the manner of their use.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: February 26, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Foldable measuring device
    Patent number: 4986464
    Abstract: A measuring device constructed from cellulosic material such as heavy paper or paperboard, metal, or a polymeric material, the material of construction having a predetermined geometric shape with creases segmenting the shaped material to facilitate folding, unfolding and refolding the device, the device being calibrated and useful for measuring particulate materials.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: January 22, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Joanne K. Leigh
  • Insecticidal substituted indazoles
    Patent number: 4960784
    Abstract: Certain substituted indazoles, including all geometric and stereoisomers thereof, agricultural compositions containing the indazoles and use of the indazoles as insecticides.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: October 2, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: George P. Lahm
  • Herbicidal O-carbomethoxysulfonylurea
    Patent number: 4959095
    Abstract: The compound methyl 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl ]benzoate has high herbicidal activity and is particularly useful for weed control in plantation crops.
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: September 25, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Siew H. Chang
  • Herbicidal orthosulfonamide benzene sulfonylureas
    Patent number: 4956005
    Abstract: Ortho-Sulfonamide benzenesulfonylureas, such as N-cyclopropyl-N'-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-1,2-benzened isulfonamide, are useful as pre-emergent and post-emergent herbicides.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: September 11, 1990
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Donald J. Dumas
  • Process for preparing a mixture of methyl- or ethyl-substituted primary anilines
    Patent number: RE33549
    Abstract: A process is disclosed for preparing an isomeric mixture of a monomethyl-, dimethyl- or monoethyl-substituted aniline consisting essentially of contacting at least one of said anilines with a specified zeolite at about 250.degree.-500.degree. C. and about 10 kPa-10 MPa of pressure.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: March 5, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Frank J. Weigert