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:
Jun. 14, 1994
Filed:
May. 07, 1992
Takashi Imai, Minami-Ashigara, JP;
Satoshi Inoue, Minami-Ashigara, JP;
Masanori Ichimura, Minami-Ashigara, JP;
Yutaka Sugizaki, Minami-Ashigara, JP;
Susumu Saito, Minami-Ashigara, JP;
Masaru Miura, Minami-Ashigara, JP;
Michio Take, Minami-Ashigara, JP;
Yasuo Yamamoto, Minami-Ashigara, JP;
Koji Fukushima, Minami-Ashigara, JP;
Manabu Serizawa, Minami-Ashigara, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An electrophotographic toner composition comprising (A) toner particles with an average particle diameter of 9 .mu.m or less comprising at least a binder resin and a colorant, and (B) an additive, wherein the additive is a fine metal oxide powder surface coated with at least one agent for imparting hydrophobic property selected from the group consisting of the following formulae (1), (2) and (3):