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:
Dec. 08, 2009
Filed:
Sep. 02, 2005
Stefan Becker, Mannheim, DE;
Joerg Pastre, Bensheim, DE;
Joachim Pakusch, Speyer, DE;
Thomas Goetz, Leimersheim, DE;
Arnold Burek, Ludwigshafen, DE;
Wolfgang Hansch, Schwegenheim, DE;
Stefanie Spilger, Schwetzingen, DE;
Stefan Becker, Mannheim, DE;
Joerg Pastre, Bensheim, DE;
Joachim Pakusch, Speyer, DE;
Thomas Goetz, Leimersheim, DE;
Arnold Burek, Ludwigshafen, DE;
Wolfgang Hansch, Schwegenheim, DE;
Stefanie Spilger, Schwetzingen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for preparing poly-C-C-alkylene glycol mono(meth)acrylic acid esters by reacting (meth)acrylic anhydride with a poly-C-C-alkylene glycol carrying at least one OH group in the presence of abase having a solubility in the poly-C-C-alkylene glycol of not more than 10 g/l at 90° C.