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. 09, 2014
Filed:
Aug. 06, 2011
Melanie Sajitz, Plettenberg, DE;
Gerd Reinhardt, Kelkheim, DE;
Isabel Scheffer, Frankfurt, DE;
Werner Janitschek, Heistenbach, DE;
Ina Herrgen, Ruesselsheim, DE;
Melanie Sajitz, Plettenberg, DE;
Gerd Reinhardt, Kelkheim, DE;
Isabel Scheffer, Frankfurt, DE;
Werner Janitschek, Heistenbach, DE;
Ina Herrgen, Ruesselsheim, DE;
Clariant International Ltd., Muttenz, CH;
Abstract
The invention relates to a method for producing acyloxy benzoic acids of the formula (I), in which Ris a linear or branched saturated alkyl group with 6 to 30 carbon atoms, a linear or branched mono- or polyunsaturated alkenyl group with 6 to 30 carbon atoms, or an aryl group with 6 to 30 carbon atoms. The acyloxy benzoic acids of the formula (I) are produced from para-hydroxy benzoic acid and a corresponding carboxylic acid halide in the presence of an alkali hydroxide.