Patent · US Active

Method for the distillative purification of slow-evaporating fluids

US8277615B2 · kind B2 · utility

11Cited by

8References

1Claims

0Family size

Assignee

BAYER TECHNOLOGY SERVICES GMBH · DE

Inventors

Gerhard Ruffert · Leverkusen, DE
Oliver Pfohl · Hamburg, DE
Marcus Paul Grün · Shanghai, CN

Key dates

Filing date	Mar 21, 2006
Grant date	Oct 2, 2012
Priority date	—
Expiry date	Jun 10, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/54
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a method for removing volatile compounds from sparingly volatile fluids by means of rectification using an auxiliary and also to separation methods and chemical reactions in which sparingly volatile fluids are used, the purification of which is effected by means of rectification and using an auxiliary.

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