Patents by Inventor Duy Vu Pham

Duy Vu Pham 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: 8859332
    Abstract: The present invention relates to a liquid phase process for producing indium oxide-containing layers, in which a coating composition preparable from a mixture comprising at least one indium oxide precursor and at least one solvent and/or dispersion medium, in the sequence of points a) to d), a) is applied to a substrate, and b) the composition applied to the substrate is irradiated with electromagnetic radiation, c) optionally dried and d) converted thermally into an indium oxide-containing layer, where the indium oxide precursor is an indium halogen alkoxide of the generic formula InX(OR)2 where R is an alkyl radical and/or alkoxyalkyl radical and X is F, Cl, Br or I and the irradiation is carried out with electromagnetic radiation having significant fractions of radiation in the range of 170-210 nm and of 250-258 nm, to the indium oxide-containing layers producible with the process, and the use thereof.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: October 14, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Juergen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Patent number: 8841164
    Abstract: The present invention relates to a liquid phase process for producing indium oxide-containing layers from nonaqueous solution, in which an anhydrous composition containing at least one indium halogen alkoxide of the generic formula InX(OR)2 where R=alkyl radical and/or alkoxyalkyl radical and X=F, Cl, Br or I and at least one solvent or dispersion medium is, in the sequence of points a) to d), in anhydrous atmosphere, a) applied to the substrate, b) the composition applied to the substrate is irradiated with electromagnetic radiation of wavelength ?360 nm and c) optionally dried, and then d) converted thermally to an indium oxide-containing layer, to the layers producible by the process and to the use thereof.
    Type: Grant
    Filed: November 25, 2010
    Date of Patent: September 23, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Jürgen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Patent number: 8546594
    Abstract: The present invention relates to halogenated indium oxo alkoxides of the generic formula In6O2X6(OR)6(R?CH(O)COOR?)2(HOR)x(HNR??2)y where X?F, Cl, Br and/or I, R?C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, R??C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, R??C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, R???C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, x=0 to 10 and y=0 to 10, to processes for preparation thereof and to use thereof.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: October 1, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Juergen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Publication number: 20130221352
    Abstract: The present invention relates to a liquid phase process for producing indium oxide-containing layers, in which a coating composition preparable from a mixture comprising at least one indium oxide precursor and at least one solvent and/or dispersion medium, in the sequence of points a) to d), a) is applied to a substrate, and b) the composition applied to the substrate is irradiated with electromagnetic radiation, c) optionally dried and d) converted thermally into an indium oxide-containing layer, where the indium oxide precursor is an indium halogen alkoxide of the generic formula InX(OR)2 where R is an alkyl radical and/or alkoxyalkyl radical and X is F, Cl, Br or I and the irradiation is carried out with electromagnetic radiation having significant fractions of radiation in the range of 170-210 nm and of 250-258 nm, to the indium oxide-containing layers producible with the process, and the use thereof.
    Type: Application
    Filed: October 26, 2011
    Publication date: August 29, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Juergen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Publication number: 20130122647
    Abstract: The present invention relates to a liquid phase process for producing indium oxide-containing layers from nonaqueous solution, in which an anhydrous composition containing at least one indium halogen alkoxide of the generic formula InX(OR)2 where R=alkyl radical and/or alkoxyalkyl radical and X=F, Cl, Br or I and at least one solvent or dispersion medium is, in the sequence of points a) to d), in anhydrous atmosphere, a) applied to the substrate, b) the composition applied to the substrate is irradiated with electromagnetic radiation of wavelength ?360 nm and c) optionally dried, and then d) converted thermally to an indium oxide-containing layer, to the layers producible by the process and to the use thereof.
    Type: Application
    Filed: November 25, 2010
    Publication date: May 16, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Jürgen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Publication number: 20130116463
    Abstract: The present invention relates to halogenated indium oxo alkoxides of the generic formula In6O2X6(OR)6(R?CH(O)COOR?)2(HOR)x(HNR??2)y where X?F, Cl, Br and/or I, R?C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, R??C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, R??C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, R???C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- and/or C7-C15-alkoxyaryl, x=0 to 10 and y=0 to 10, to processes for preparation thereof and to use thereof.
    Type: Application
    Filed: July 7, 2011
    Publication date: May 9, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Juergen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Publication number: 20130104773
    Abstract: The present invention relates to halogenated indium oxo alkoxides of the generic formula In7O2(OH)(OR)12X4(ROH)x where R=C1-C15-alkyl, C1-C15-alkenyl, C1-C15-alkynyl, C1-C15-alkoxyalkyl, C6-C15-aryl- or C7-C15-alkoxyaryl, X=F, Cl, Br, I and x=0 to 10, to processes for preparation thereof and to use thereof.
    Type: Application
    Filed: July 12, 2011
    Publication date: May 2, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Juergen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Publication number: 20120202318
    Abstract: The present invention relates to a liquid phase process for producing indium oxide-containing layers from nonaqueous solution, in which an anhydrous composition containing at least one indium oxo alkoxide of the generic formula MxOy(OR)z[O(R?O)cH]aXb[R?OH]d where x=3-25, y=1-10, z=3-50, a=0-25, b=0-20, c=0-1, d=0-25, M=In, R, R?, R?=organic radical, X?F, Cl, Br, I and at least one solvent are applied to a substrate, optionally dried, and converted to an indium oxide-containing layer, to the layers producible by the process according to the invention and to the use thereof.
    Type: Application
    Filed: August 13, 2010
    Publication date: August 9, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Juergen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Publication number: 20120181488
    Abstract: The invention relates to a liquid-phase method for producing metal oxide-containing layers from nonaqueous solution. In said method, an anhydrous composition containing i) at least one metal oxo-alkoxide of generic formula MxOy(OR)z[O(R?O)cH]aXb[R?OH]d, where M=In, Ga, Sn, and/or Zn, x=3-25, y=1-10, z=3-50, a=0-25, b=0-20, c=0-1, d=0-25, R, R?, R?=organic group, X?F, Cl, Br, I, and ii) at least one solvent is applied to a substrate, is optionally dried, and is converted into a metal oxide-containing layer. The invention also relates to the layers that can be produced using the method of the invention and to the use thereof.
    Type: Application
    Filed: August 13, 2010
    Publication date: July 19, 2012
    Applicant: Evonik Degussa GmbH
    Inventors: Juergen Steiger, Duy Vu Pham, Heiko Thiem, Alexey Merkulov, Arne Hoppe
  • Publication number: 20110315982
    Abstract: The present invention relates to a process for producing semiconductive indium oxide layers, in which a substrate is coated with a liquid, anhydrous composition comprising a) at least one indium alkoxide and b) at least one solvent, optionally dried and thermally treated at temperatures greater than 250° C., to the layers producible by this process, and to the use thereof.
    Type: Application
    Filed: February 5, 2010
    Publication date: December 29, 2011
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Arne Hoppe, Alexey Merkulov, Juergen Steiger, Duy Vu Pham, Yvonne Damaschek, Heiko Thiem
  • Publication number: 20110309313
    Abstract: The present invention relates to a liquid indium alkoxide-containing composition comprising at least one indium alkoxide and at least three solvents L1, L2 and L3, in which the solvent L1 is selected from the group consisting of ethyl lactate, anisole, tetrahydrofurfuryl alcohol, butyl acetate, ethylene glycol diacetate and ethyl benzoate, and the difference between the boiling points of the two solvents L2 and L3 under SATP conditions is at least 30° C., to processes for preparation thereof and to the use thereof.
    Type: Application
    Filed: February 5, 2010
    Publication date: December 22, 2011
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Juergen Steiger, Heiko Thiem, Alexey Merkulov, Duy Vu Pham, Yvonne Damaschek, Arne Hoppe
  • Publication number: 20110193084
    Abstract: The present invention relates to formulations comprising a) at least two different ZnO cubanes of which at least one ZnO cubane is present in solid form under SATP conditions and at least one ZnO cubane is present in liquid form under SATP conditions, and b) at least one solvent, to processes for producing semiconductive ZnO layers from these formulations, to the use of the formulations for producing electronic components and to the electronic components themselves.
    Type: Application
    Filed: November 4, 2009
    Publication date: August 11, 2011
    Applicant: EVPMOL Degussa GmbH
    Inventors: Heiko Thiem, Juergen Steiger, Alexey Merkulov, Duy Vu Pham, Yilmaz Aksu, Stefan Schutte, Matthias Driess