Patent · US Active

Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification

US8372993B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

BASF SE

Inventors

Neven Lang · Mannheim, DE
Joachim Thiel · Neustadt, DE
Eckhard Stroefer · Mannheim, DE
Julia Kirschbaum · Brunsbüttel, DE
Markus Siegert · Heidelberg, DE

Key dates

Filing date	Jan 23, 2008
Grant date	Feb 12, 2013
Priority date	—
Expiry date	Aug 14, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D3/148
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for removing trioxane from a use stream I of formaldehyde, trioxane and water, by

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