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. 21, 2005
Filed:
Apr. 29, 2002
Takashi Kenmoku, Kanagawa, JP;
Toyoko Kobayashi, Kanagawa, JP;
Etsuko Sugawa, Kanagawa, JP;
Tetsuya Yano, Kanagawa, JP;
Shin Kobayashi, Kanagawa, JP;
Takeshi Imamura, Kanagawa, JP;
Tsutomu Honma, Kanagawa, JP;
Takashi Kenmoku, Kanagawa, JP;
Toyoko Kobayashi, Kanagawa, JP;
Etsuko Sugawa, Kanagawa, JP;
Tetsuya Yano, Kanagawa, JP;
Shin Kobayashi, Kanagawa, JP;
Takeshi Imamura, Kanagawa, JP;
Tsutomu Honma, Kanagawa, JP;
Canon Kabushiki Kaisha, Toyko, JP;
Abstract
The present invention provides a novel PHA comprising a unit containing thioether with high reactivity, and its production method. The present invention also provides polyhydroxyalkanoate (PHA) comprising units having defined chemical formulas (1) and (2), and at least one of four units having defined chemical formulas (3), (4), (5) and (6); its production method; a charge control agent containing the PHA; a toner binder containing the charge control agent; an electrostatic latent image developing toner; and an image forming method and an image forming apparatus using the electrostatic latent image developing toner.