Patents by Inventor PHILLIP SHARROW

PHILLIP SHARROW 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).

  • Hole transport materials
    Patent number: 9954174
    Abstract: There is provided a copolymer having Formula I In Formula I: A is a monomeric unit containing at least one triarylamine group; B? is a monomeric unit having at least three points of attachment in the copolymer; C? is an aromatic monomeric unit or a deuterated analog thereof; E is the same or different at each occurrence and can be H, D, halide, alkyl, silyl, germyl, aryl, arylamino, siloxane, a crosslinkable group, deuterated alkyl, deuterated silyl, deuterated germyl, deuterated aryl, deuterated arylamino, deuterated siloxane, or a deuterated crosslinkable group; a, b, and c are the same or different and are mole fractions, such that a+b+c=1, and a and b are non-zero.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: April 24, 2018
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Nora Sabina Radu, Juergen Weber, Adam Fennimore, Arjan Zoombelt, Phillip Sharrow, Michael Henry Howard, Jr., Tiffany N Hoerter, Gene M Rossi
  • HOLE TRANSPORT MATERIALS
    Publication number: 20160329497
    Abstract: There is provided a copolymer having Formula I In Formula I: A is a monomeric unit containing at least one triarylamine group; B? is a monomeric unit having at least three points of attachment in the copolymer; C? is an aromatic monomeric unit or a deuterated analog thereof; E is the same or different at each occurrence and can be H, D, halide, alkyl, silyl, germyl, aryl, arylamino, siloxane, a crosslinkable group, deuterated alkyl, deuterated silyl, deuterated germyl, deuterated aryl, deuterated arylamino, deuterated siloxane, or a deuterated crosslinkable group; a, b, and c are the same or different and are mole fractions, such that a+b+c=1, and a and b are non-zero.
    Type: Application
    Filed: April 20, 2016
    Publication date: November 10, 2016
    Inventors: NORA SABINA RADU, JUERGEN WEBER, ADAM FENNIMORE, ARJAN ZOOMBELT, PHILLIP SHARROW, MICHAEL HENRY HOWARD JR, TIFFANY N. HOERTER, GENE M. ROSSI