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. 25, 2010
Filed:
Aug. 12, 2004
Applicants:
Heinrich Becker, Hofheim, DE;
Esther Breuning, Niedernhausen, DE;
Arne Büsing, Frankfurt am Main, DE;
Aurélie Ludemann, Frankfurt, DE;
Corinna Leske, Frankfurt, DE;
Hubert Spreitzer, Viernheim, DE;
Silke Türk, Montabaur, DE;
Inventors:
Heinrich Becker, Hofheim, DE;
Esther Breuning, Niedernhausen, DE;
Arne Büsing, Frankfurt am Main, DE;
Aurélie Ludemann, Frankfurt, DE;
Corinna Leske, Frankfurt, DE;
Hubert Spreitzer, Viernheim, DE;
Silke Türk, Montabaur, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 79/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to conjugated polymers containing novel structural units according to formula (1). The inventive materials are characterized by increased efficiency and a longer service life when used in polymer organic light emitting diodes.