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:
May. 07, 2013
Filed:
Aug. 27, 2010
Applicants:
Kousuke Watanabe, Kanagawa, JP;
Keiju Tonosaki, Kanagawa, JP;
Inventors:
Kousuke Watanabe, Kanagawa, JP;
Keiju Tonosaki, Kanagawa, JP;
Assignee:
UDC Ireland Limited, Dublin, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a material selecting method used upon purifying an iridium complex by sublimation which includes: selecting an iridium complex having a specific structure and having a rate of weight loss of 45% or greater when heated to 500° C. at a heating rate of 2° C./min under the degree of vacuum of from 1×10Pa to 1×10Pa; and carrying out sublimation purification.