The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 2018
Filed:
Aug. 04, 2015
Basf SE, Ludwigshafen, DE;
Ulrich Hammon, Mannheim, DE;
Thomas Walter, Hassloch, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present disclosure includes a column () having a cylindrical, vertical column body () forming a column cavity (), and a mass transfer tray () disposed in the column cavity () and forming a collecting area (). The column () is characterized by a circulation device () having at least one drain orifice () formed in the column body () above the collecting area (), a circulation line () in fluid connection with the drain orifice () and at least one recycling orifice (-to-) which is in fluid connection with the circulation line () and is formed in the column body () above the collecting area (). Also disclosed herein is a thermal separating process in which a gas ascends within a column () of the present disclosure, and a liquid descends within the column (), said gas and/or liquid containing (meth)acrylic monomers.