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:
Mar. 28, 2017
Filed:
Jun. 13, 2013
Yoshitaka Yamauchi, Shizuoka, JP;
Kazumi Suzuki, Shizuoka, JP;
Tatsuya Morita, Kanagawa, JP;
Hiroshi Yamashita, Shizuoka, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Yoshitaka Yamauchi, Shizuoka, JP;
Kazumi Suzuki, Shizuoka, JP;
Tatsuya Morita, Kanagawa, JP;
Hiroshi Yamashita, Shizuoka, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A resin composition for a toner including a polyester resin and a colorant, wherein the polyester resin has A(10)-A(180) of 70 or greater, where A(10) (%) is a transmittance of light having a wavelength of 500 nm through a mixture of 20 parts by mass of the polyester resin added to 80 parts by mass of ethyl acetate and stirred at 25° C. for 10 minutes, and A(180) (%) is the transmittance after the mixture is left to stand for 3 hours.