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. 27, 2001
Filed:
Aug. 05, 1999
Kimikazu Nagase, Shiga, JP;
Masaaki Ishiyama, Shiga, JP;
Takashi Taira, Shiga, JP;
Hiroyuki Takahata, Shiga, JP;
Kousuke Yotsuduka, Shiga, JP;
Shigehiro Hano, Shiga, JP;
Yoshihiro Chujo, Shiga, JP;
Toray Industries, Inc., Tokoyo, JP;
Abstract
The invention in this application relates to a toner composition for electrostatic latent image development which is characterized in that, in a toner composition comprising at least binder resin, colorant and charge control agent, to be used in a print forming method provided with a print fixing device which fixes the toner image on a recording medium by means of a light flash, the concentration of benzene generated by heating for 90 seconds at 330° C. is no more than 60 &mgr;g/g, and the invention provides a toner composition for electrostatic latent image development which either extends the filter life or does not require the use of a filter.