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:
Feb. 22, 1994
Filed:
May. 13, 1992
Yutaka Sugizaki, Minami Ashigara, JP;
Susumu Saito, Minami Ashigara, JP;
Hirotaka Matsuoka, Minami Ashigara, JP;
Masanori Ichimura, Minami Ashigara, JP;
Masaru Miura, Minami Ashigara, JP;
Takashi Imai, Minami Ashigara, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A positively chargeable carrier for developing electrostatic charge images having good surface staining resistance and good environmental reliance of charging is disclosed, which comprises a core material having formed thereon an interlayer having a triboelectrification controlling function and having a nitrogen atom content of from 5 ppm to 75 ppm based on the weight of the core material, and a releasable coated layer formed on the interlayer. A two-component developer using the carrier is also disclosed.