Patent · US Expired

Metal complexes

US6881830B2 · kind B2 · utility

2Cited by

8References

16Claims

0Family size

Assignee

Bayer Chemicals AG · DE

Inventors

Ulrich Feldhues · Bensberg, DE
Frank Linke · Recklinghausen, DE
Ronald Gobel · Leverkusen, DE
Udo Herrmann · Dormagen, DE
Sabine Endert · Wuppertal, DE

Key dates

Filing date	Mar 25, 2003
Grant date	Apr 19, 2005
Priority date	—
Expiry date	Sep 1, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B45/22
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Metal complexes of metals of the scandium group with an azo compound which conforms to the formula (I) or to one of its tautomeric structures where

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