Patent · US Active

Oligomers and polymers

US8043722B2 · kind B2 · utility

0Cited by

4References

26Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Paul Wallace · Royston, GB
Carl Towns · Stansted, GB

Key dates

Filing date	Dec 13, 2004
Grant date	Oct 25, 2011
Priority date	—
Expiry date	Jan 4, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH10K85/631
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

An optionally substituted oligomer or polymer comprising a repeat unit of formula (I); wherein each Ar1 and Ar3 is the same or different and independently represents an optionally substituted aryl or heteroaryl; n is at least 1; Ar2 represents an optionally substituted aryl or heteroaryl comprising a linking ring to which the two nitrogen atoms are both directly linked; and at least one of Ar2 and either or both of Ar1 is substituted with at least one substituent.

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