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. 20, 2007
Filed:
Apr. 15, 2003
Applicants:
Ralph R. Roberts, Cottage Grove, MN (US);
Yingbo LI, Woodbury, MN (US);
Sergey A. Lamansky, Apple Valley, MN (US);
Inventors:
Ralph R. Roberts, Cottage Grove, MN (US);
Yingbo Li, Woodbury, MN (US);
Sergey A. Lamansky, Apple Valley, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/14 (2006.01); C09K 11/06 (2006.01); H01B 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Compounds, compositions, organic electronic devices, and methods for preparing organic electronic devices are described. The compounds of the invention contain at least two carbon-carbon triple bonds and a heteroaromatic ring having at least one —C═N— unit. The compounds can be used as electron transport agents in organic electronic devices such as organic electroluminescent devices.