Low-viscosity solutions of alkaline-earth metal alkoxides in aprotic solvents, method for the production of same and use for the production of ziegler-natta catalysts

US11230519B2 · kind B2 · utility

Assignee

• ALBEMARLE GERMANY GMBH · DE

Inventors

• Ulrich Wietelmann · Friedrichsdorf, DE
• Ute Emmel · Frankfurt am Main, DE
• Armin Stoll · Schriesheim, DE
• Florian Kiefer · Goslar, DE

Key dates

• Filing date: Dec 17, 2019
• Grant date: Jan 25, 2022
• Expiry date: Jun 29, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/70
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

One or more concentrated low-viscosity solutions of alkaline earth alkoxide compounds M(OCH2R6)2-a-b(OR7)a[O(CHR8)nOR9]b in mixture with a metal alkyl compound M(R10R11) in an aprotic solvent and related methods are disclosed herein.