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. 18, 2014
Filed:
Jan. 04, 2013
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 221/18 (2006.01); C07D 221/22 (2006.01); C07D 471/00 (2006.01); C07D 491/00 (2006.01); C07D 498/00 (2006.01); C07D 513/00 (2006.01); C07D 515/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to compounds of the formula (I) in which Yand Yare each O or, respectively, NRor NR, where Rand Rare each H or organyl; Zto Zare each O or S; Rto R, Rto Rare each Cl, F; where 1 or 2 of the Rto R, Rto Rradicals may also be CN and/or 1 Rto R, Rto Rradical may be H; and where, when Yis NR, Zor Zmay also be NR, where Rand Rtogether are a bridging X group having from 2 to 5 atoms; and where, when Yis NR, Zor Zmay also be NR, where Rand Rtogether are a bridging X group having from 2 to 5 atoms;to a process for preparation thereof, and to their use as emitter materials, charge transport materials or exciton transport materials.