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:
Apr. 21, 2009
Filed:
Jul. 02, 2003
Applicants:
Ulrich Hammon, Mannheim, DE;
Joachim Thiel, Neustadt, DE;
Volker Schliephake, Shifferstadt, DE;
Juergen Schroeder, Ludwigshafen, DE;
Inventors:
Ulrich Hammon, Mannheim, DE;
Joachim Thiel, Neustadt, DE;
Volker Schliephake, Shifferstadt, DE;
Juergen Schroeder, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/22 (2006.01); B01D 3/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for rectificatively separating at least one (meth)acrylic monomer-containing fluid by feeding the fluid into a rectification column containing at least one sieve tray without a runoff segment, wherein