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. 30, 2008
Filed:
Oct. 24, 2001
Applicants:
Kevin A. Arthur, Westchester, OH (US);
George H. Robertson, Loveland, OH (US);
Seiji Funakura, Narita, JP;
Inventors:
Kevin A. Arthur, Westchester, OH (US);
George H. Robertson, Loveland, OH (US);
Seiji Funakura, Narita, JP;
Assignee:
Sun Chemical Corporation, Fort Lee, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an electrostatic charge developing toner which uses a β-type copper phthalocyanine pigment that has a BET specific surface area of 90 m/g or greater as determined by the nitrogen adsorption method.