Metal complexes of iminohydroxamic acids

US6846771B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Marc Oliver Kristen · Haltern am See, DE
• Peter Preishuber-Pflügl · Ludwigshafen, DE
• Benno Bildstein · Innsbruck, AT
• Alexander Krajete · Linz, AT

Key dates

• Filing date: Feb 6, 2003
• Grant date: Jan 25, 2005
• Expiry date: Mar 21, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/905
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb, Ta, Cr, Ni, Pd, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.