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:
Nov. 08, 2011
Filed:
Dec. 10, 2003
Applicants:
Johannes Meerdink, Groningen, NL;
Nils Dan Anders Sädergard, Turku, FI;
Inventors:
Johannes Meerdink, Groningen, NL;
Nils Dan Anders Sädergard, Turku, FI;
Assignee:
Tate & Lyle Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 313/00 (2006.01); B01D 3/00 (2006.01); C08G 63/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present case relates to a process for the purification of lactide from a crude lactide vapor product stream which process comprises a rectification/condensation step leading to a lactide-enriched condensate.