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. 26, 2013
Filed:
Jul. 31, 2009
Applicant:
Annette Steudel, Cambridge, GB;
Inventor:
Annette Steudel, Cambridge, GB;
Assignees:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Sumitomo Chemical Co., Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/04 (2006.01); B32B 19/04 (2006.01); C08G 79/08 (2006.01); C08G 73/02 (2006.01); C08G 61/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device comprising an electroluminescent copolymer comprising a light-emitting repeat unit in the polymer backbone and wherein the repeat unit is conjugatively separate from the polymer backbone.