Patent · US Active

Method for the preparation of (S)-2-acetyloxypropionic acid and derivatives thereof

US10738000B2 · kind B2 · utility

0Cited by

7References

12Claims

0Family size

Assignee

BRACCO IMAGING S.P.A. · IT

Inventors

Roberta Fretta · Collegno, IT
Pietro Delogu · Trieste, IT
Fernanda Di Giorgio · Cerneglons, IT
Alfonso Nardelli · Palmanova, IT
Stefano Sguassero · Palmanova, IT
Carlo Felice Viscardi · Milano, IT

Key dates

Filing date	Feb 14, 2019
Grant date	Aug 11, 2020
Priority date	—
Expiry date	Feb 14, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/07
WIPO fieldChemical engineering
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.