Patent · US Expired

Liquid-crystalline compounds

US7250198B2 · kind B2 · utility

12Cited by

10References

17Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Michael Heckmeier · Bensheim, DE
Peer Kirsch · Darmstadt, DE
Joachim Krause · Dieburg, DE
Alexander Hahn · Groß-Gerau, DE
Andreas Ruhl · De Pere, US

Key dates

Filing date	Sep 30, 2002
Grant date	Jul 31, 2007
Priority date	—
Expiry date	Sep 30, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2323/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Liquid-crystalline compounds of the formula Iin which

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