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:
Sep. 18, 2007
Filed:
Apr. 15, 2003
James G. Bentsen, North St. Paul, MN (US);
Nicholas P. Goplen, North St. Paul, MN (US);
Yingbo LI, Woodbury, MN (US);
Ralph R. Roberts, Cottage Grove, MN (US);
James G. Bentsen, North St. Paul, MN (US);
Nicholas P. Goplen, North St. Paul, MN (US);
Yingbo Li, Woodbury, MN (US);
Ralph R. Roberts, Cottage Grove, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Compounds and compositions are provided that can be used as electron transport agents in organic electronic devices such as organic electroluminescent devices. The compounds are non-polymeric and have an aromatic core conjugated to end capping groups. The aromatic core contains a phenylene group arylene or naphthalene group arylene having a pendant heteroaryl group that includes a —C═N— unit.