The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 24, 2018

Filed:

Apr. 20, 2016
Applicant:

E I Du Pont DE Nemours and Company, Wilmington, DE (US);

Inventors:

Nora Sabina Radu, Landenberg, PA (US);

Juergen Weber, Lincoln University, PA (US);

Adam Fennimore, Wilmington, DE (US);

Arjan Zoombelt, Philadelphia, PA (US);

Phillip Sharrow, Landenberg, PA (US);

Michael Henry Howard, Jr., Montchanin, DE (US);

Tiffany N Hoerter, West Grove, PA (US);

Gene M Rossi, Wilmington, DE (US);

Assignee:

E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 61/12 (2006.01); H01L 51/00 (2006.01); C08G 73/02 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0043 (2013.01); C08G 61/12 (2013.01); C08G 61/121 (2013.01); C08G 73/026 (2013.01); C08G 2261/124 (2013.01); C08G 2261/132 (2013.01); C08G 2261/135 (2013.01); C08G 2261/148 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/312 (2013.01); C08G 2261/3162 (2013.01); C08G 2261/411 (2013.01); C08G 2261/512 (2013.01); C08G 2261/95 (2013.01); H01L 51/5056 (2013.01);
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.


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