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:
Dec. 14, 2004
Filed:
Jun. 07, 2002
Applicant:
Inventors:
Keiko Shiraishi, Susono, JP;
Masanori Suzuki, Sunto-gun, JP;
Yohichiroh Watanabe, Fuji, JP;
Toyoshi Sawada, Odawara, JP;
Takuya Saito, Numazu, JP;
Tatsuhiko Osaki, Toyohashi, JP;
Satoshi Aratani, Gamagoori, JP;
Hiroki Ogiso, Gamagoori, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 ;
U.S. Cl.
CPC ...
G03G 9/097 ;
Abstract
A charge control agent containing a barium salt of a sulfoisophthalic acid compound and optionally a metal salt of a salicylic acid compound. A toner for developing an electrostatic latent image comprising such a charge control agent, a binder resin and a colorant.