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. 28, 2014
Filed:
Mar. 19, 2013
Basf SE, Ludwigshafen, DE;
Wilhelm Barlage, Leverkusen, DE;
Javier Raya, Sant Joan Despi, ES;
Joaquin Bigorra Llosas, Sabadell, ES;
Harald Röβler, Düsseldorf, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Provided are processes for making an amide of a carboxylic acid by reacting an amine of the formula (I)H—NRR  (I)wherein Rand Rare the same or different, Rcomprising a C-C-alkyl, and Rcomprising hydrogen or a C-C-alkyl, the amine having a lower boiling point than water, with a carboxylic acid with at least 3 carbon atoms per molecule, said carboxylic acid optionally comprising at least one alcoholic hydroxyl group per molecule, and selecting a molar ratio of amine to carboxylic acid in the range of from 1.5:1 to 1:1. The reaction step occurs under