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.
Patent No.:
Date of Patent:
Nov. 22, 2011
Filed:
Nov. 17, 2008
Gary A. Johansson, Hockessin, DE (US);
Eric Maurice Smith, Hockessin, DE (US);
Reid John Chesterfield, Santa Barbara, CA (US);
Michael Henry Howard, Jr., Montchanin, DE (US);
Kyung-ho Park, Wilmington, DE (US);
Nora Sabina Radu, Landenberg, PA (US);
Gene M. Rossi, Wilmington, DE (US);
Frederick P. Gentry, Bear, DE (US);
Troy C. Gehret, Wilmington, DE (US);
Daniel David Lecloux, West Chester, PA (US);
Adam Fennimore, Wilmington, DE (US);
Gary A. Johansson, Hockessin, DE (US);
Eric Maurice Smith, Hockessin, DE (US);
Reid John Chesterfield, Santa Barbara, CA (US);
Michael Henry Howard, Jr., Montchanin, DE (US);
Kyung-Ho Park, Wilmington, DE (US);
Nora Sabina Radu, Landenberg, PA (US);
Gene M. Rossi, Wilmington, DE (US);
Frederick P. Gentry, Bear, DE (US);
Troy C. Gehret, Wilmington, DE (US);
Daniel David Lecloux, West Chester, PA (US);
Adam Fennimore, Wilmington, DE (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A compound having Formula I, Formula II, or Formula III: Armay independently be phenylene, substituted phenylene, naphthylene, or substituted naphthylene. Aris the same or different at each occurrence and is an aryl group. M is the same or different at each occurrence and is a conjugated moiety. Tand Tare independently the same or different at each occurrence and are conjugated moieties which are connected in a non-planar configuration; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.