Patent · US Active

Materials for organic electroluminescent devices

US9627632B2 · kind B2 · utility

1Cited by

2References

15Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Philipp Stoessel · Frankfurt am Main, DE
Hermann August Mayer · Lörrach, DE
William Kaska · Goleta, US

Key dates

Filing date	Feb 17, 2011
Grant date	Apr 18, 2017
Priority date	—
Expiry date	Feb 7, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An uncharged compound of the formula (1)M(L)n(L′)m(L″)o Formula (1)containing a substructure M(L)n of the formula (3) or (4)

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