Patent · US Active

Washing apparatus, a method of purifying a wash material and use of the washing apparatus

US8252120B2 · kind B2 · utility

5Cited by

28References

28Claims

0Family size

Assignee

Evonik Stockhausen GmbH · US

Inventors

Stefan Nordhoff · Recklinghausen, DE
Torsten Balduf · Pfungstadt, DE
Joachim Deinken · Eschborn, DE
Joachim Pohlisch · Gelnhausen, DE
Axel Hengstermann · Senden, DE

Key dates

Filing date	Sep 15, 2003
Grant date	Aug 28, 2012
Priority date	—
Expiry date	Feb 8, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C51/43
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a washing apparatus, including a First Region (1) to which a wash material (4) is supplied, a Second Region (2), in which the wash material (4) is washed, and a Third Region (3), in which the wash material (4) is melted and a flow resistance (6), which is provided between the Second Region (2) and the Third Region (3), a purification apparatus, a synthesis device, a method for purifying a wash material, and the use of a washing apparatus or a purification apparatus for purifying and then using the target product obtained by the purification.

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