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:
Nov. 28, 2000
Filed:
Feb. 24, 1999
Hideo Maehata, Minami Ashigara, JP;
Shuji Sato, Minami Ashigara, JP;
Yasuo Kadokura, Minami Ashigara, JP;
Masaaki Suwabe, Minami Ashigara, JP;
Hisae Yoshizawa, Minami Ashigara, JP;
Yasuo Matsumura, Minami Ashigara, JP;
Takao Ishiyama, Minami Ashigara, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
Disclosed is an electrostatic image developing toner comprising a binder resin and a coloring agent, which exhibits a volume-average particle distribution GSDv of not more than 1.26 and an acid value of from 1.0 to 20 mgKOH/g and contains a surface active agent in an amount of not more than 3% by weight in the particulate toner and an inorganic metal salt having an electric charge having a valence of two or more in an amount of from not less than 10 ppm to not more than 1% by weight.