Patents by Inventor Dat Phat Le

Dat Phat Le 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: 8895306
    Abstract: The present invention relates to methods to use non-steroidal ligands in nuclear receptor-based inducible gene expression system to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: November 25, 2014
    Assignee: Intrexon Corporation
    Inventors: Robert Eugene Hormann, Orestes Chortyk, Dat Phat Le
  • Patent number: 8669072
    Abstract: The present invention relates to non-steroidal ligands for use in nuclear receptor-based inducible gene expression system, and a method to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: March 11, 2014
    Assignee: Intrexon Corporation
    Inventors: Robert Eugene Hormann, Orestes Chortyk, Dat Phat Le
  • Publication number: 20090149514
    Abstract: The present invention relates to methods to use non-steroidal ligands in nuclear receptor-based inducible gene expression system to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene.
    Type: Application
    Filed: November 5, 2007
    Publication date: June 11, 2009
    Inventors: Robert Eugene HORMANN, Orestes Chortyk, Dat Phat Le
  • Publication number: 20080255210
    Abstract: The present invention relates to non-steroidal ligands for use in nuclear receptor-based inducible gene expression system, and a method to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene.
    Type: Application
    Filed: August 13, 2007
    Publication date: October 16, 2008
    Inventors: Robert Eugene Hormann, Orestes Chortyk, Dat Phat Le
  • Patent number: 7304162
    Abstract: The present invention relates to non-steroidal ligands for use in nuclear receptor-based inducible gene expression system, and a method to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: December 4, 2007
    Assignee: Intrexon Corporation
    Inventors: Robert Eugene Hormann, Orestes Chortyk, Dat Phat Le
  • Publication number: 20040171651
    Abstract: The present invention relates to non-steroidal ligands for use in nuclear receptor-based inducible gene expression system, and a method to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene.
    Type: Application
    Filed: February 19, 2004
    Publication date: September 2, 2004
    Inventors: Robert Eugene Hormann, Orestes Chortyk, Dat Phat Le
  • Publication number: 20010044151
    Abstract: This invention relates to an improved method to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene. The improvement resides in a select group of non-steroid ligands which show improved activity over known ligands.
    Type: Application
    Filed: April 12, 2001
    Publication date: November 22, 2001
    Inventors: Glenn Richard Carlson, Dean Ervin Cress, Tarlochan Singh Dhadialla, Robert Eugene Hormann, Dat Phat Le
  • Patent number: 6258603
    Abstract: This invention relates to an improved method to modulate exogenous gene expression in which an ecdysone receptor complex comprising: a DNA binding domain; a ligand binding domain; a transactivation domain; and a ligand is contacted with a DNA construct comprising: the exogenous gene and a response element; wherein the exogenous gene is under the control of the response element and binding of the DNA binding domain to the response element in the presence of the ligand results in activation or suppression of the gene. The improvement resides in a select group of non-steroid ligands which show improved activity over known ligands.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: July 10, 2001
    Assignee: Rohm and Haas Company
    Inventors: Glenn Richard Carlson, Dean Ervin Cress, Tarlochan Singh Dhadialla, Robert Eugene Hormann, Dat Phat Le
  • Patent number: 6025386
    Abstract: This invention relates to insecticidal compositions comprising one or more substituted N,N'-dibenzoyl-N'-tert-alkyl-hydrazines and diethyl maleate which exhibit improved activity as insecticides when compared to compositions without diethylmaleate.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: February 15, 2000
    Assignee: Rohm and Haas Company
    Inventors: Dat Phat Le, Guy Julius Smagghe
  • Patent number: 6013836
    Abstract: This invention relates to N'-substituted-N,N'-disubstitutedhydrazines of formula I ##STR1## wherein X and X' are independently O, S, or NR; A' and B' are independently substituted or unsubstituted aryl or aromatic heterocycle; wherein F is alkyl, alkenyl, or aralkyl; and wherein E is a tertiary carbon containing organic radical having a total of at least four carbon and halogen atoms but not more than six halogen atoms, or a non-tertiary carbon containing non-haloalkyl organic or organometallic radical having at least five atoms other than hydrogen, oxygen and halogen which are useful as insecticides, compositions containing those compounds, methods of producing the compounds, and methods of their use. More particularly, the invention relates to insect growth regulating compounds and compositions, and methods of using such compounds and compositions. Compounds of the present invention are particularly suitable for controlling plant-destructive insects in crops of cultivated plants, ornamentals and forestry.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: January 11, 2000
    Assignee: Rohm and Haas Company
    Inventors: Adam Chi-Tung Hsu, Harold Ernest Aller, Dat Phat Le, Donald Wesley Hamp, Barry Weinstein, Raymond August Murphy
  • Patent number: 6013671
    Abstract: This invention relates to insecticidal compositions comprising one or more substituted N,N'-dibenzoyl-N'-tert-alkyl-hydrazines and diethyl maleate which exhibit improved activity as insecticides when compared to compositions without diethylmaleate.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: January 11, 2000
    Assignee: Rohm and Haas Company
    Inventors: Dat Phat Le, Guy Julius Smagghe