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:
May. 22, 2001
Filed:
Jan. 04, 2000
Applicant:
Inventors:
Yasuki Nagai, Kobe, JP;
Junji Machida, Toyonaka, JP;
Yuji Shintani, Takarazuka, JP;
Mitsutoshi Nakamura, Kawanishi, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 ;
U.S. Cl.
CPC ...
G03G 9/08 ;
Abstract
The present invention relates to toner comprising a binder resin and a colorant, wherein the toner is manufactured by a wet-type granulation method using an organic dispersing agent, an aqueous extract liquid having a surface tension of 50 to 72 mN/m at 25° C., the aqueous extract liquid obtained by mixing 1 part-by-weight toner and 50 parts-by-weight distilled water for 1 hour at 80° C.