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:
Jan. 21, 2003
Filed:
Oct. 16, 2001
Applicant:
Inventors:
Hubert Spreitzer, Frankfurt, DE;
Willi Kreuder, Mainz, DE;
Heinrich Becker, Glashütten, DE;
Jochen Krause, Frankfurt, DE;
Assignee:
Aventis Research & Technologies GmbH & Co. KG, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 4/752 ; C07C 4/500 ; C07C 2/200 ; C08E 2/00 ;
U.S. Cl.
CPC ...
C07C 4/752 ; C07C 4/500 ; C07C 2/200 ; C08E 2/00 ;
Abstract
A process for preparing polymerizable biaryl derivatives comprises reacting an aromatic comprising a 6-membered ring which bears ester or benzylic OH groups in the 1,4 position with a second aromatic in a palladium-catalyzed cross-coupling reaction to give a biaryl and converting the ester or benzylic OH groups into polymerizable groups in one or more steps. The biaryls obtained are suitable for preparing polymers which are used as electroluminescence materials.