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. 11, 2006
Filed:
May. 28, 2002
Applicants:
Gerhard Nestler, Vienna, AT;
Ulrich Rauh, Limburgerhof, DE;
Jürgen Schröder, Ludwigshafen, DE;
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Higher (meth)acrylates IV are prepared by transesterification of a lower (meth)acrylate I with a higher alcohol ROH in the presence of a stabilizer or stabilizer mixture and of a catalyst or catalyst mixture, by a process in which the liberated lower alkanol ROH is separated off and is fed at least partly to the preparation of the lower (meth)acrylate I.