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:
Jun. 19, 2001
Filed:
Sep. 22, 1999
Katsuyuki Ogura, Omiya, JP;
Masanobu Nakamura, Warabi, JP;
Hiroyuki Mariko, Tokyo, JP;
Yoshinori Shimane, Ichikawa, JP;
Ryozo Sugawara, Sodegaura, JP;
Hiroyuki Terada, Ichihara, JP;
kinji Shinzo, Sakura, JP;
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Abstract
Use of a polyester resin obtained by reacting a divalent or higher epoxy compound, a dibasic or higher polybasic acid compound selected from a polybasic acid and/or acid anhydride and/or lower alkyl ester thereof, and a divalent or higher polyvalent alcohol in a toner for electrostatic charge development containing at least a binder resin, a colorant, and a charge control agent can provide a toner for a non-magnetic single component development having excellent fixing properties, offset resistance and development durability.