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:
Oct. 25, 2011
Filed:
Jan. 31, 2008
Gregory Mcguire, Oakville, CA;
Jennifer A. Coggan, Cambridge, CA;
Johann Junginger, Toronto, CA;
Nan-xing HU, Oakville, CA;
Ah-mee Hor, Mississauga, CA;
Gregory McGuire, Oakville, CA;
Jennifer A. Coggan, Cambridge, CA;
Johann Junginger, Toronto, CA;
Nan-Xing Hu, Oakville, CA;
Ah-Mee Hor, Mississauga, CA;
Xerox Corporation, Norwalk, CT (US);
Abstract
The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved imaging member having a charge transport layer comprising a top layer and a bottom layer, wherein the layers have varying concentrations of high quality N,N,N'N′-tetra(4-methylphenyl)-(1,1′-biphenyl)-4,4′-diamine to provide tunable discharge rate.