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:
Jan. 02, 2007
Filed:
May. 02, 2003
Applicants:
Eberhard Fuchs, Frankenthal, DE;
Hans Martan, Frankenthal, DE;
Klaus Joachim Mueller-engel, Stutensee, DE;
Inventors:
Eberhard Fuchs, Frankenthal, DE;
Hans Martan, Frankenthal, DE;
Klaus Joachim Mueller-Engel, Stutensee, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 57/02 (2006.01); C07C 51/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process prepares an aqueous alkali metal acrylate solution by distillatively removing acrylic acid from a mixture as vapors and taking up the vapors immediately from the gas phase into an aqueous alkali solution.