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. 08, 1994
Filed:
Nov. 13, 1992
Katsumi Murofushi, Kawasaki, JP;
Yoshikazu Hosoda, Kawasaki, JP;
Toshio Kaji, Kobe, JP;
Yuki Abe, Kobe, JP;
Kiyotaka Yamaguchi, Kobe, JP;
Takayuki Yoshida, Kobe, JP;
Jiro Yamashiro, Kobe, JP;
Toshio Arai, Kobe, JP;
Takayuki Nagase, Kobe, JP;
Harushi Nagami, Kobe, JP;
Showa Denko K.K., Tokyo, JP;
Bando Chemical Industries, Ltd., Kobe, JP;
Abstract
A decolorizable toner including a resin binder, a near infrared ray-absorbing dye, a decolorizing agent and a light fastness stabilizer, and a process for preparing the decolorizable toner, which includes the steps of mixing the near infrared ray-absorbing dye and the light fastness stabilizer with the resin binder, and then mixing the decolorizing agent therewith. The decolorizable toner has excellent light stability during its production or storage and excellent decolorizing property.