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:
Jan. 31, 2017

Filed:

May. 10, 2016
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Koji Takahashi, Kashiwa, JP;

Naoaki Ichihashi, Abiko, JP;

Kan Tanabe, Toride, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/05 (2006.01); G03G 5/06 (2006.01); G03G 5/043 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0614 (2013.01); G03G 5/043 (2013.01); G03G 5/056 (2013.01); G03G 5/0514 (2013.01); G03G 5/0517 (2013.01); G03G 5/0525 (2013.01); G03G 5/0564 (2013.01); G03G 5/0696 (2013.01);
Abstract

The subject invention relates to a charge transport layer forming coating liquid containing a charge transport material, at least one selected from the group consisting of polycarbonate resins and polyester resins, at least one of xylene and toluene, and cyclopentanone. The proportion of cyclopentanone in the charge transport layer forming coating liquid is in the range of 50% by mass to 85% by mass relative to the total mass of at least one of xylene and toluene and cyclopentanone.


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