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. 03, 2002
Filed:
Nov. 02, 1999
Applicant:
Inventors:
Frederic Van Gansbeghe, Brussels, BE;
Jean-Christophe Bogaert, Gijzegem, BE;
Etienne Malhaize, Ceroux-Mousty, BE;
Martin Van Gansberghe, La Hulpe, BE;
Florence Wolff, Brussels, BE;
Assignee:
Brussels Biotech, Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/908 ;
U.S. Cl.
CPC ...
C07C 5/908 ;
Abstract
The invention concerns a method for recuperating and purifying a lactic acid solution obtained initially from a fermentation medium or any other source, consisting in a pre-treatment to eliminate the ion loads capable of catalysing the lactic acid condensation and based on the principle of ion exchange or any other related principle, followed by at least a step of concentration at low temperature and brief retention time and at least a step of distilling the lactic acid using a thin layer process.