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:
Apr. 30, 2013
Filed:
Aug. 28, 2007
Applicants:
Reinhard Uwe Scholz, Kerken, DE;
Robertus Petrus Maria Van Der Steen, Vinkel, NL;
Inventors:
Reinhard Uwe Scholz, Kerken, DE;
Robertus Petrus Maria van der Steen, Vinkel, NL;
Assignee:
Niro Process Technology B.V., 'S-Hertogenbosch, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 319/00 (2006.01); C07D 305/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the purification or recovery of lactide rich streams by the combination of a suspension-based melt crystallization process with a subsequent separation of the pure lactide crystals in a wash column is disclosed.