Patent · US Active

Method for producing amido-zinc halide/alkali-metal halide compounds

US9227987B2 · kind B2 · utility

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10Claims

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Assignee

ROCKWOOD LITHIUM GMBH · DE

Inventors

Ulrich Wietelmann · Friedrichsdorf, DE
Peter Rittmeyer · Pocking, DE
Uwe Lischka · Frankfurt am Main, DE
Alexander Murso · Frankfurt, DE
Florian Kiefer · Goslar, DE

Key dates

Filing date	Aug 30, 2012
Grant date	Jan 5, 2016
Priority date	—
Expiry date	Sep 18, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F1/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a method for producing amido-zinc halides as adducts with alkali-metal halides (R1R2N—ZnY*LiY) in aprotic organic solvents, in which a) a primary or secondary amine dissolved in an aprotic organic solvent is provided, b) a lithium base (RxLi) is added in a metered manner, and c) a ZnY2 is subsequently added.

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