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:
May. 08, 2018
Filed:
Jun. 10, 2015
Applicant:
Bracco Imaging S.p.a., Milan, IT;
Inventors:
Roberta Fretta, Collegno, IT;
Pietro Delogu, Trieste, IT;
Fernanda Di Giorgio, Pradamano, IT;
Alfonso Nardelli, Cervignano Del Friuli, IT;
Stefano Sguassero, San Giorgio di Nogaro, IT;
Carlo Felice Viscardi, Milan, IT;
Assignee:
Bracco Imaging S.P.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/48 (2006.01); C07C 67/08 (2006.01); C07C 51/44 (2006.01); C07C 67/54 (2006.01); C07C 67/287 (2006.01); B01D 3/00 (2006.01);
U.S. Cl.
CPC ...
C07C 67/08 (2013.01); B01D 3/009 (2013.01); C07C 51/44 (2013.01); C07C 67/287 (2013.01); C07C 67/54 (2013.01);
Abstract
The present invention relates to a method for the acetylation of an aqueous solution of lactic acid to (S)-2-acetyloxypropionic acid. The process comprises in particular removing water from the solution of lactic acid and reacting lactic acid with acetic anhydride in the presence of acetic acid.