Patents by Inventor Duyan Vuong Nguyen

Duyan Vuong 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).

  • Aryl and heteroarylcyclopropyl oxime ethers and their use as fungicides
    Patent number: 6348627
    Abstract: Compounds with fungicidal and insecticidal properties having formula wherein X is N or CH; Z is O, S or NR8; A is hydrogen, halo, cyano, (C1-C12)alkyl, or (C1-C12)alkoxy; R1 and R8 are independently hydrogen or (C1-C4)alkyl; R2 is hydrogen, (C1-C12)alkyl, halo(C1-C12)alkyl, (C3-C7)cycloalkyl, halo(C3-C7)cycloalkyl, (C2-C8)alkenyl, halo(C2-C8)alkenyl, (C2-C8)alkynyl, halo(C2-C8)alkynyl, aryl, aralkyl, heterocyclic, heterocyclic(C1-C4)alkyl or C(R10)═N—OR9; R3 is hydrogen, (C1-C12)alkyl, halo(C1-C12)alkyl, (C3-C7)cycloalkyl, halo(C3-C7)cycloalkyl, (C2-C8)alkenyl, halo(C2-C8)alkenyl, (C2-C8)alkynyl, halo(C2-C8)alkynyl, aryl, aralkyl, aryl(C3-C7)cycloalkyl, heterocyclic or heterocyclic(C1-C4)alkyl; R4 and R5 are independently hydrogen, (C1-C12)alkyl, halo(C1-C12)alkyl, (C3-C7)cycloalkyl, halo(C3-C7)cycloalkyl, (C2-C8)alkenyl, halo(C2-C8)alkenyl, (C2-C8)alkynyl, halo(C2-C8)alkynyl, halo, cyano, (C1-C4)alkoxycarbonyl, aryl, aralkyl, aryl(C3-C7)cycloalkyl, heterocyclic or heterocyclic(C1
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: February 19, 2002
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald Ross, Jr., Duyan Vuong Nguyen, Edward Michael Szapacs, Frisby Davis Smith, Steven Howard Shaber
  • Fungicidal and insecticidal benzyloxy cyclopropyl substituted aromatic compounds
    Patent number: 6335367
    Abstract: Compounds with fungicidal and insecticidal properties having the following formula: wherein A is N or CH; V is O or NH; m and n are the integers 0 and 1, and m+n is 1; X is independently selected from hydrogen, halo, (C1-C4)alkyl, and (C1-C4)alkoxy; Z is NR5R6, OR5 or CR7R8R9; and R, R1, R2, R3, R4, R5, R6, R7, R8 and R9 vary.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: January 1, 2002
    Assignee: Dow AgroSciences LLC
    Inventors: Ronald Ross, Ted Tsutomu Fujimoto, Duyan Vuong Nguyen, Steven Howard Shaber
  • Aryl and heteroarylcylopropyl oxime ethers and their use as fungicides and insecticides
    Patent number: 6313339
    Abstract: Certain cyclopropyl oxime ethers substituted by aryl and heterocyclic moieties possess broad spectrum fungicidal and insecticidal properties. These compounds are disclosed along with compositions containing these compounds and methods for controlling fungi and insects by the use of a fungitoxic or insecticidal amount of these compounds.
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: November 6, 2001
    Inventors: Ronald Ross, Jr., Duyan Vuong Nguyen, Steve Howard Shaber
  • Aryl and heteroarylcyclopropyl oxime ethers and their use as fungicides and insecticides
    Patent number: 6063956
    Abstract: Compounds with fungicidal and insecticidal properties having formula ##STR1## wherein X is N or CH; Z is O, S or NR.sub.8 ; A is hydrogen, halo, cyano, (C.sub.1 -C.sub.12)alkyl, or (C.sub.1 -C.sub.12)alkoxy; R.sub.1 and R.sub.8 are independently hydrogen or (C.sub.1 -C.sub.4)alkyl; R.sub.2 is hydrogen, (C.sub.1 -C.sub.12)alkyl, halo(C.sub.1 -C.sub.12)alkyl, (C.sub.3 -C.sub.7)cycloalkyl, halo(C.sub.3 -C.sub.7)cycloalkyl, (C.sub.2 -C.sub.8)alkenyl, halo(C.sub.2 -C.sub.8)alkenyl, (C.sub.2 -C.sub.8)alkynyl, halo(C.sub.2 -C.sub.8)alkynyl, aryl, aralkyl, heterocyclic, heterocyclic(C.sub.1 -C.sub.4)alkyl or C(R.sub.10).dbd.N--OR.sub.9 ; R.sub.3 is hydrogen, (C.sub.1 -C.sub.12)alkyl, halo(C.sub.1 -C.sub.12)alkyl, (C.sub.3 -C.sub.7)cycloalkyl, halo(C.sub.3 -C.sub.7)cycloalkyl, (C.sub.2 -C.sub.8)alkenyl, halo(C.sub.2 -C.sub.8)alkenyl, (C.sub.2 -C.sub.8)alkynyl, halo(C.sub.2 -C.sub.8)alkynyl, aryl, aralkyl, aryl(C.sub.3 -C.sub.7)cycloalkyl, heterocyclic or heterocyclic(C.sub.1 -C.sub.4)alkyl; R.sub.4 and R.sub.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: May 16, 2000
    Assignee: Rohm and Haas Company
    Inventors: Ronald Ross, Steven Howard Shaber, Duyan Vuong Nguyen