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. 20, 2010
Filed:
Dec. 21, 2007
Gunter Lipowsky, Schriesheim, DE;
Volker Schliephake, Schifferstadt, DE;
Steffen Rissel, Kirchheim, DE;
Ulrich Jaeger, Roemerberg, DE;
Frank Hoefer, Bad Duerkheim, DE;
Sylke Haremza, Neckargemuend, DE;
Peter Zurowski, Landau, DE;
Klaus Joachim Mueller-engel, Stutensee, DE;
Gunter Lipowsky, Schriesheim, DE;
Volker Schliephake, Schifferstadt, DE;
Steffen Rissel, Kirchheim, DE;
Ulrich Jaeger, Roemerberg, DE;
Frank Hoefer, Bad Duerkheim, DE;
Sylke Haremza, Neckargemuend, DE;
Peter Zurowski, Landau, DE;
Klaus Joachim Mueller-Engel, Stutensee, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer in an indirect heat exchanger, wherein a quaternary ammonium salt, a tertiary amine or a salt thereof with a Brønsted acid is added to the liquid mixture to reduce fouling.