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. 05, 2000
Filed:
Aug. 11, 1997
Applicant:
Inventors:
Yun Chen, Krefeld, DE;
Burkhard Kohler, Leverkusen, DE;
Rolf Wehrmann, Krefeld, DE;
Andreas Elschner, Mulheim, DE;
Ralf Dujardin, Willich, DE;
Assignee:
Bayer AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
5253282 ; 5253297 ; 5253299 ; 526301 ; 526259 ; 526260 ; 526261 ; 526262 ; 526265 ; 526263 ; 526267 ; 526268 ; 526270 ; 526280 ; 526285 ; 526286 ; 526288 ; 25230135 ; 313483 ;
Abstract
The present invention relates to (co)polymers which contain at least one repeating structural chain unit of the general formula (1) and/or (2) and optionally repeating units of the general formula (3) ##STR1## in which L.sup.1 and L.sup.2, independently of each other, represent a photoluminescent grouping, a process for their preparation, their use in electroluminescent devices and the electroluminescent devices.