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:
Feb. 23, 1999
Filed:
Oct. 09, 1997
Applicant:
Inventors:
Rolf Wehrmann, Krefeld, DE;
Andreas Elschner, Mulheim, DE;
Siegfried Thurm, Meerbusch, DE;
Hans Jurgen Rosenkranz, Krefeld, DE;
Ralf Dujardin, Willich, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
428690 ; 428704 ; 428917 ; 313504 ; 558403 ; 560 47 ; 560 50 ;
Abstract
The invention relates to electroluminescent arrangements (layers) containing special styrenes and to their use.