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:
Dec. 13, 2011
Filed:
Dec. 27, 2005
Yoshihiro Tsuda, Tsukuba, JP;
Yoshii Morishita, Tsukuba, JP;
Satoyuki Nomura, Tsukuba, JP;
Yousuke Hoshi, Tsukuba, JP;
Shigeaki Funyuu, Tsukuba, JP;
Farshad J. Motamedi, Claremont, CA (US);
Li-sheng Wang, Arcadia, CA (US);
Yoshihiro Tsuda, Tsukuba, JP;
Yoshii Morishita, Tsukuba, JP;
Satoyuki Nomura, Tsukuba, JP;
Yousuke Hoshi, Tsukuba, JP;
Shigeaki Funyuu, Tsukuba, JP;
Farshad J. Motamedi, Claremont, CA (US);
Li-Sheng Wang, Arcadia, CA (US);
Hitachi Chemical Co., Ltd., Tokyo, JP;
Maxdem Incorporated, San Dimas, CA (US);
Abstract
Objects of the present invention are to provide a purification process that enables Pd contained in an organic electronics material to be removed effectively, to provide an electroluminescent device middle layer material purified by the process, and to provide an electroluminescent device employing the middle layer material. The present invention relates to a process for purifying an organic electronics material, the process involving treating, with a phosphorus-containing material, an organic electronics material that contains Pd as an impurity so as to remove the Pd.