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:
Oct. 30, 2007
Filed:
May. 29, 2003
Applicants:
Volker Diehl, Ellerstadt, DE;
Ulrich Jäger, Römerberg, DE;
Jürgen Schröder, Ludwigshafen, DE;
Joachim Thiel, Neustadt, DE;
Inventors:
Volker Diehl, Ellerstadt, DE;
Ulrich Jäger, Römerberg, DE;
Jürgen Schröder, Ludwigshafen, DE;
Joachim Thiel, Neustadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in the apparatus.