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:
Aug. 12, 2014
Filed:
Jul. 01, 2011
Michael DE Marco, Palo Alto, CA (US);
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Karl J. Possemiers, Gravenwezel, BE;
Filip Mees, Lake Jackson, TX (US);
Ronny DE Kaey, Mortsel, BE;
Michael de Marco, Palo Alto, CA (US);
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Karl J. Possemiers, Gravenwezel, BE;
Filip Mees, Lake Jackson, TX (US);
Ronny De Kaey, Mortsel, BE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a neutralization process in which at least one ethylenically unsaturated carboxylic acid is preneutralized at least partly with a base, wherein the preneutralized solution is divided into at least two part-solutions and at least one part-solution is aftertreated so as to form part-solutions with different degree of neutralization and/or solids content, and also to an apparatus for carrying out the process.