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:
Sep. 01, 2015
Filed:
Feb. 27, 2012
Applicant:
Kazuyoshi Kuroda, Neyagawa, JP;
Inventor:
Kazuyoshi Kuroda, Neyagawa, JP;
Assignee:
ORIENT CHEMICAL INDUSTRIES CO., LTD., Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/097 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09733 (2013.01); G03G 9/09775 (2013.01);
Abstract
Provided is a charge control agent comprising a phenol multimeric mixture of a plurality of phenol multimers of the formula (1). A is a 4-chlorophenol ring-containing group of the formula (2) or the formula (3), R-Rare hydrogen atoms or alkyl groups, m is an integer of 0-2, and x is an integer of 16-28, when A is represented by the formula (2), and a number in the range indicated by (14−2m)/(m+2) to (26−2m)/(m+2), when A is represented by the formula (3):