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. 10, 2006
Filed:
Sep. 02, 2003
Juergen Schroeder, Ludwigshafen, DE;
Frank Hoefer, Ludwigshafen, DE;
Sylke Haremza, Neckargemuend, DE;
Gerhard Wagenblast, Wachenheim, DE;
Volker Schliephake, Schifferstadt, DE;
Ulrich Jaeger, Roemerberg, DE;
Harald Keller, Ludwigshafen, DE;
Cedric Dieleman, Scheibenhard, FR;
Juergen Schroeder, Ludwigshafen, DE;
Frank Hoefer, Ludwigshafen, DE;
Sylke Haremza, Neckargemuend, DE;
Gerhard Wagenblast, Wachenheim, DE;
Volker Schliephake, Schifferstadt, DE;
Ulrich Jaeger, Roemerberg, DE;
Harald Keller, Ludwigshafen, DE;
Cedric Dieleman, Scheibenhard, FR;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for preparing and/or working up mixtures by (meth)acrylic acid and/or (meth)acrylic ester in the presence of at least one polymerization inhibitor and at least one oxygenous gas, which comprises metering in at least part of the oxygenous gas at an exit rate of at least 50 mm/s.