Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-12-09
1997-03-04
Huff, Mark F.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, 430109, 430137, G03G 909
Patent
active
056078030
ABSTRACT:
The present invention discloses a decolorizable toner wherein a cationic dye having absorbance from the visible region to the near infrared region is contained in a binder resin together with a decolorant and anti-discoloration agent. In addition, the present invention also discloses a production process of a decolorizable toner that contains a step wherein cationic dye having absorbance from the visible region to the near infrared region, decolorant, binder resin and anti-discoloration agent are uniformly dissolved or dispersed in an organic solvent to prepare a mixed solution; a step wherein the solvent is removed from this mixed solution followed by drying; and, a step wherein the resulting dried mixture is pulverized to produce a toner.
REFERENCES:
patent: 5166041 (1992-11-01), Murofushi et al.
patent: 5362592 (1994-11-01), Murofushi et al.
patent: 5449583 (1995-09-01), Murofushi et al.
Patent Abstracts of Japan, vol. 11, No. 355 (P-632) 4 Nov. 1987 (JP-A-62 119549, May 30, 1987).
Abe Yuki
Hosoda Yoshikazu
Kawasaki Toshiya
Murofushi Katsumi
Yamaguchi Kiyotaka
Bando Chemical Industries Ltd.
Huff Mark F.
Showa Denko K.K.
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