Patents by Inventor Barry A. Dreikorn

Barry A. Dreikorn 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).

  • Patent number: 5411963
    Abstract: Substituted quinazolines of the formula (1): ##STR1## wherein: R.sup.1 to R.sup.4 are independently H, halo, (C.sub.1 -C.sub.4) alkyl, branched (C.sub.3 -C.sub.4) alkyl, halo (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.sub.4) alkoxy, NO.sub.2, or NH.sub.2,provided thatat least two of R.sup.1 to R.sup.4 are H;Y is H, Cl, X--W--Ar, or O--Alk;X is O, NR.sup.7, or CR.sup.8 R.sup.9 ;Z is H, Cl, OCH.sub.3, CH.sub.3, or --NR.sup.7 --W--Ar, provided that Z can be --NR.sup.7 --W--Ar only if Y is H, Cl, or NR.sup.7 --W--Ar and Z must be --NR.sup.7 --W--Ar if Y is H or Cl, which are plant fungicides, miticides, and insecticides.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: May 2, 1995
    Assignee: DowElanco
    Inventors: Barry A. Dreikorn, Glen P. Jourdan, Robert G. Suhr
  • Patent number: 5326766
    Abstract: Compounds of the formula (I): ##STR1## wherein: Het is pyridyl, pyrazinyl, pyrimidinyl, or pyridizinyl, optionally substituted with one or more groups selected from halo, lower alkyl, lower alkoxy, haloalkyl, haloalkoxy, NO.sub.2, CN, and lower alkoxy-carbonyl;Z is a C--C single bond, CH.sub.2, NH, O, S, --CH.sub.2 O--, or --OCH.sub.2 --; andthe remaining groups are as defined in the specification are useful as pesticides.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: July 5, 1994
    Inventors: Barry A. Dreikorn, Sylvester V. Kaster, Neil V. Kirby, Robert G. Suhr, Brian R. Thoreen
  • Patent number: 5296484
    Abstract: The compounds of the formula: ##STR1## wherein the substituents are herein below defined; are plant fungicides, insecticides, and miticides.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: March 22, 1994
    Assignee: DowElanco
    Inventors: Michael J. Coghlan, Barry A. Dreikorn, Glen P. Jourdan, Robert G. Suhr
  • Patent number: 5294622
    Abstract: The compounds of the formula: ##STR1## where the substituents are herein below defined, are fungicides, insecticides, and miticides.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: March 15, 1994
    Assignee: DowElanco
    Inventors: Barry A. Dreikorn, Glen P. Jourdan, Robert G. Suhr
  • Patent number: 5240916
    Abstract: Substituted naphthyridines of the formula (1): ##STR1## wherein one of A, B, C, or D is N, and the others are CR.sup.1 ;R.sup.1 and R.sup.2 are independently H or halo.X, Y and Z are defined in the specification.
    Type: Grant
    Filed: March 4, 1992
    Date of Patent: August 31, 1993
    Assignee: DowElanco
    Inventors: Blake A. Caley, Michael J. Coghlan, Leon N. Davis, Barry A. Dreikorn
  • Patent number: 5227387
    Abstract: A method of inhibiting a nematode population which comprises applying to the locus of a nematode, a nematode inactivating amount of a compound of the formula (1):Het--X--CH.sub.2 --CH.sub.2 --Ar (1)or an N-oxide or salt thereof, whereinHet is a nitrogen containing heterocycle, for example 8-fluoroquinazolin-4-yl, or quinoline-4-amine,X is O, NH, or CH.sub.2 ; andAr is a substituted phenyl group, for example 4-(2,2,2-trifluoroethoxy)phenyl.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: July 13, 1993
    Assignee: DowElanco
    Inventors: Barry A. Dreikorn, Ronnie G. Edie, Ronald E. Hackler, Glen P. Jourdan, Eriks V. Krumkalns, Robert G. Suhr
  • Patent number: 5114939
    Abstract: A fungicidal method which comprises applying to the locus of a plant pathogen a fungicidally effective but non-phytotoxic amount of a compound of the formula (1) ##STR1## wherein: R.sup.1 to R.sup.4 are independentlyH, halo, (C.sub.1 -C.sub.4) alkyl, branched (C.sub.3 -C.sub.4) alkyl, halo (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.sub.4) alkoxy, NO.sub.2, or HN.sub.2, at least two of R.sup.1 to R.sup.4 being H,or one of R.sup.2 to R.sup.4 is --NR.sup.7 --Y--Ar or O--Y--Ar and the rest of R.sup.1 to R.sup.4 are H;W is N, or CR.sup.5 ;R.sup.5 is H, CH.sub.3, Cl, O--Y--Ar, or --NR.sup.7 --Y--Ar;R.sup.6 is H, CH.sub.3, Cl, or Br;A is --O--Alk or --X--Y--Ar;Alk is a C.sub.2 -C.sub.18 saturated or unsaturated hydrocarbon chain, straight chain or branched, optionally substituted with halo, halo (C.sub.1 -C.sub.4) alkoxy, (C.sub.3 -C.sub.8) cycloalkyl, hydroxy, or acetyl;X is O, NR.sup.7, or CR.sup.8 R.sup.9, provided that if one of R.sup.2 to R.sup.5 is NR.sup.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: May 19, 1992
    Assignee: DowElanco
    Inventors: Barry A. Dreikorn, Glen P. Jourdan, Robert G. Suhr
  • Patent number: 4670596
    Abstract: Novel alkyl-dinitrodiphenylamine compounds are useful in controlling insects and arachnids. These compounds are useful especially in the control of citrus rust mite.
    Type: Grant
    Filed: August 14, 1985
    Date of Patent: June 2, 1987
    Assignee: Eli Lilly and Company
    Inventors: Barry A. Dreikorn, Kenneth E. Kramer
  • Patent number: 4407820
    Abstract: The present invention is directed to the use of a class of N-alkyldiphenylamines as insecticides and arachnicides, and also as ectoparasiticides. The invention is also directed to a class of novel fluorinated N-alkyldiphenylamines.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: October 4, 1983
    Assignee: Eli Lilly and Company
    Inventors: Barry A. Dreikorn, Kenneth E. Kramer
  • Patent number: 4381312
    Abstract: A class of 2,4,6-trinitrodiphenylamines, bearing one or more substituents on the ring which does not bear nitro groups, which substituents are chosen from among trfluoromethyl groups, nitro groups, and other simple substituents, are effective in the control of foliar phytopathogens.
    Type: Grant
    Filed: December 13, 1974
    Date of Patent: April 26, 1983
    Assignee: Eli Lilly and Company
    Inventors: Barry A. Dreikorn, Kenneth E. Kramer
  • Patent number: 4203994
    Abstract: A class of isoxazoles having a phenyl or substituted-phenyl group at the 3-position and a substituted-methyl group at the 5-position are useful for the control of fungal foliar phytopathogens.
    Type: Grant
    Filed: May 10, 1978
    Date of Patent: May 20, 1980
    Assignee: Eli Lilly and Company
    Inventors: James D. Davenport, Barry A. Dreikorn, A. Frederick Elsasser
  • Patent number: 4187318
    Abstract: A series of new diphenylamines have small alkyl substituents on the amino nitrogen. One phenyl ring bears dinitro-trifluoromethyl substitution, and the other is preferably substituted with halogen or pseudo-halogen groups. The new diphenylamines are useful as rodenticides.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: February 5, 1980
    Assignee: Eli Lilly and Company
    Inventor: Barry A. Dreikorn
  • Patent number: 4152460
    Abstract: A new class of substituted 2,6-dinitrobenzenamines bearing a chlorine atom in the 3-position, active against a number of plant pathogenic fungi, as well as methods for the use of the compounds and fungicidal compositions containing the compounds.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: May 1, 1979
    Assignee: Eli Lilly and Company
    Inventor: Barry A. Dreikorn
  • Patent number: 4140778
    Abstract: Certain substituted N-pyridyl-N-phenylamines as rodenticides.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: February 20, 1979
    Assignee: Eli Lilly and Company
    Inventor: Barry A. Dreikorn
  • Patent number: 4109002
    Abstract: A class of isoxazoles having a phenyl or substituted-phenyl group at the 3-position and a substituted-methyl group at the 5-position are useful for the control of fungal foliar phytopathogens.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: August 22, 1978
    Assignee: Eli Lilly and Company
    Inventors: James D. Davenport, Barry A. Dreikorn, A. Frederick Elsasser
  • Patent number: 4008322
    Abstract: A new method of reducing the adverse effects of rice blast, an important disease of rice, is disclosed. The method comprises applying a compound chosen from a class of triazolo[4,3-a]quinoxalines to the foliage of the rice plants.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: February 15, 1977
    Assignee: Eli Lilly and Company
    Inventors: Barry A. Dreikorn, Thomas D. Thibault
  • Patent number: 4001227
    Abstract: A class of 5H-tetrazolo[1,5-a][3,1]benzothiazines and 5H-s-triazolo[4,3-a][3,1]benzothiazines are fungicides useful for the protection of plants from fungal foliar phytopathogens.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: January 4, 1977
    Assignee: Eli Lilly and Company
    Inventor: Barry A. Dreikorn
  • Patent number: 3988455
    Abstract: A class of ditetrazolo[1,5-a:5',1'-c]quinoxalines has been found to be useful for protecting plants from soil-borne phytopathogens, such as fusarium root rot, rhizoctonia damping-off and verticillium wilt.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: October 26, 1976
    Assignee: Eli Lilly and Company
    Inventor: Barry A. Dreikorn
  • Patent number: 3987196
    Abstract: The protection of plants from foliar and soil-borne phytopathogens is accomplished by the treatment of the plants with a specified class of tetrazolo[1,5-a]quinoxalines.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: October 19, 1976
    Assignee: Eli Lilly and Company
    Inventor: Barry A. Dreikorn
  • Patent number: 3979387
    Abstract: A class of new 4,5-dihydrotetrazolo[1,5-a]quinoxalines are useful for protecting plants from foliar phytopathogens.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: September 7, 1976
    Assignee: Eli Lilly and Company
    Inventors: Barry A. Dreikorn, Thomas D. Thibault