Patent · US Active

Materials for electronic devices

US9978950B2 · kind B2 · utility

4Cited by

3References

17Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Jochen Pfister · Zwingenberg, DE
Frank Voges · Bad Dürkheim, DE
Elvira Montenegro · Weinheim, DE
Teresa Mujica-Fernaud · Darmstadt, DE

Key dates

Filing date	Jul 24, 2014
Grant date	May 22, 2018
Priority date	—
Expiry date	Oct 15, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present application relates to a compound of a formula (I) which contains a spirobifluorene basic structure condensed onto a benzofuran unit. The application furthermore relates to a process for the preparation of the compound of the formula (I), and to the use of the compound of the formula (I) in an electronic device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.