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:
Jun. 09, 2009
Filed:
Feb. 15, 2002
Jan Peter Bredehöft, Böhl-Iggelheim, DE;
Hans-jürgen Pallasch, Gönnheim, DE;
Ludwig E. Heck, Edingen-Neckarhausen, DE;
Eckhard Ströfer, Mannheim, DE;
Jan Peter Bredehöft, Böhl-Iggelheim, DE;
Hans-Jürgen Pallasch, Gönnheim, DE;
Ludwig E. Heck, Edingen-Neckarhausen, DE;
Eckhard Ströfer, Mannheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
An arrangement for carrying out chemical reactions comprises at least one distillation column and/or at least one container and at least one circulation evaporator, which are connected to one another via connecting elements, liquid being taken off completely or partly from a tray or from a stacked packing bed or from a dumped packing bed or from a liquid collector of the distillation column or being fed as an external feed stream below the lower tube sheet of the circulation evaporator to said evaporator.