Patents by Inventor Luong T. Nguyen

Luong T. Nguyen 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: 5624916
    Abstract: 2-Aryl or 2-heterocyclyl-2, 2-disubstituted ethyl-1,2,4-triazoles have been shown to have fungicidal activity.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: April 29, 1997
    Assignee: Rohm and Haas Company
    Inventors: Steven H. Shaber, Luong T. Nguyen
  • Patent number: 5583124
    Abstract: This invention relates to bisphosphoryl hydrazine compounds and to compositions thereof which are useful as pesticides. The compounds of this invention are effective against soil insects, especially the corn rootworm.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 10, 1996
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen
  • Patent number: 5536711
    Abstract: This invention relates to bisphosphoryl hydrazine compounds and to compositions thereof which are useful as pesticides. The compounds of this invention are effective against soil insects, especially the corn rootworm.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 16, 1996
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen
  • Patent number: 5536710
    Abstract: This invention relates to bisphosphoryl hydrazine compounds and to compositions thereof which are useful as pesticides. The compounds of this invention are effective against soil insects, especially the corn rootworm.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 16, 1996
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen
  • Patent number: 5536712
    Abstract: This invention relates to bisphosphoryl hydrazine compounds and to compositions thereof which are useful as pesticides. The compounds of this invention are effective against soil insects, especially the corn rootworm.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 16, 1996
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen
  • Patent number: 5462931
    Abstract: 2-Aryl or 2-heterocyclyl-2, 2-disubstituted ethyl-1,2,4-triazoles have been shown to have fungicidal activity.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: October 31, 1995
    Assignee: Rohm and Haas Company
    Inventors: Steven H. Shaber, Luong T. Nguyen
  • Patent number: 5461038
    Abstract: This invention relates to bisphosphoryl hydrazine compounds and to compositions thereof which are useful as pesticides. The compounds of this invention are effective against soil insects, especially the corn rootworm.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: October 24, 1995
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen
  • Patent number: 5397768
    Abstract: Compounds of the formula ##STR1## are fungicides and herbicides when Z is alkyl, cycloalkyl, aryl, or aralkyl; Q is a triazolyl; X is an aryl group or a heterocyclic group; and W is a variety of functional groups.
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: March 14, 1995
    Assignee: Rohm and Haas Company
    Inventors: Steven H. Shaber, Luong T. Nguyen
  • Patent number: 5358939
    Abstract: 2-Aryl or 2-heterocyclyl-2,2-disubstituted ethyl-1,2,4,-triazoles have been shown to have fungicidal activity.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: October 25, 1994
    Assignee: Rohm and Haas Company
    Inventors: Steven H. Shaber, Luong T. Nguyen
  • Patent number: 5264415
    Abstract: Compounds of the formula ##STR1## are fungicides and herbicides when Z is alkyl, cycloalkyl, aryl, or aralkyl; Q is a triazolyl; X is an aryl group or a heterocyclic group; and W is a variety of functional groups.
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: November 23, 1993
    Assignee: Rohm and Haas Company
    Inventors: Steven H. Shaber, Luong T. Nguyen
  • Patent number: 5120745
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles of the formula ##STR1## wherein the substituents are as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: June 9, 1992
    Assignee: Shell Internationale Research Maatschappij B.V.
    Inventors: Richard M. Jacobson, Luong T. Nguyen, Muthuvelu Thirugnanam
  • Patent number: 5015652
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles having the formula ##STR1## wherein R.sup.1, W and X are as defined herein, compositions containing these compounds and methods of use as insecticides.
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: May 14, 1991
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen
  • Patent number: 4970224
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles of the formula ##STR1## wherein the substituents are as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: November 13, 1990
    Assignee: Rohm and Haas Company
    Inventors: Richard M. Jacobson, Luong T. Nguyen, Muthuvelu Thirugnanam