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:
Oct. 18, 2022
Filed:
Jul. 04, 2018
Hitachi Chemical Company, Ltd., Tokyo, JP;
Kazuyuki Kamo, Tsukuba, JP;
Iori Fukushima, Tsukuba, JP;
Ryota Moriyama, Hitachi, JP;
Shunsuke Kodama, Yokohama, JP;
Naoki Asano, Tsukuba, JP;
Hirotaka Sakuma, Hitachinaka, JP;
SHOWA DENKO MATERIALS CO., LTD., Tokyo, JP;
Abstract
One embodiment relates to an organic electronic material containing a charge transport polymer, wherein the charge transport polymer is a polymer which, when 25 μL portions of methanol are added dropwise and stirred into 1,000 μL of a solution containing the charge transport polymer and toluene in a ratio of 20 mg of the charge transport polymer per 2,290 μL of toluene, the amount of methanol added by the time cloudiness develops in the solution is greater than 350 μL.