Compounds having bipyridyl group and carbazole ring, and organic electroluminescent element

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9634258
APP PUB NO 20130328041A1
SERIAL NO

14001580

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a compound having a bipyridyl group and a carbazole ring, which is represented by the following general formula (1); and an organic electroluminescent element containing a pair of electrodes and at least one organic layer interposed therebetween, in which the compound is used as a constituent material of the at least one organic layer:

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • HODOGAYA CHEMICAL CO., LTD.;SHINSHU UNIVERSITY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ichikawa, Musubu Nagano, JP 27 144
Kabasawa, Naoaki Tokyo, JP 40 170
Otsuru, Sohei Nagano, JP 1 2
Yokoyama, Norimasa Tokyo, JP 73 439

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 25, 2024
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 25, 2028
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00