US 11,387,414 B2 · Spirobifluorene compounds for organic electroluminescent devices

Abstract

The present invention relates to spirobifluorene compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.

Claims5

Dependent claims

A compound according to one of the following structural formulae:

Dependencies are inferred from the claim text.

Facts

Application

16/842,522Filed 7 Apr 2020 · continuation

Priority

EP 1200092914 Feb 2012

Published

US 2020/0235305 A123 Jul 2020

Granted

12 Jul 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification32 codes

C07C 211/61
Having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton: with at…
C07C 211/54
Having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton: having amino groups bound to two or three…
C07C 211/58
Having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton:…
C07D 209/86
Carbazoles; Hydrogenated carbazoles: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms…

Family

Application61/716,810Us provisional application · filed 22 Oct 2012

PCT/EP2013/000177Parent of this continuation · filed 21 Jan 2013

Application15/715,354Parent of this continuation · filed 26 Sep 2017

US 9,812,648 B2Parent of this continuation · filed 7 Nov 2017

US 2020/0235305 A1Pre-grant publication · published 23 Jul 2020

US 10,944,056 B2Parent of this continuation

Application14/378,529Parent of this continuation

US 2015/0065730 A1Published application

US 2018/0019405 A1Published application

US 11,387,414 B2This patent

From the US filing history. Foreign family members aren’t listed.

Abstract

Facts

Application

16/842,522Filed 7 Apr 2020 · continuation

Priority

EP 1200092914 Feb 2012

Published

US 2020/0235305 A123 Jul 2020

Granted

12 Jul 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification32 codes

C07C 211/61
Having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton: with at…
C07C 211/54
Having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton: having amino groups bound to two or three…
C07C 211/58
Having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton:…
C07D 209/86
Carbazoles; Hydrogenated carbazoles: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms…

Family

Application61/716,810Us provisional application · filed 22 Oct 2012

PCT/EP2013/000177Parent of this continuation · filed 21 Jan 2013

Application15/715,354Parent of this continuation · filed 26 Sep 2017

US 9,812,648 B2Parent of this continuation · filed 7 Nov 2017

US 2020/0235305 A1Pre-grant publication · published 23 Jul 2020

US 10,944,056 B2Parent of this continuation

Application14/378,529Parent of this continuation

US 2015/0065730 A1Published application

US 2018/0019405 A1Published application

US 11,387,414 B2This patent

From the US filing history. Foreign family members aren’t listed.

Spirobifluorene compounds for organic electroluminescent devices

Life of this patent

Abstract

Claims5

Spirobifluorene compounds for organic electroluminescent devices

Life of this patent

Abstract

Claims5