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. 02, 2014
Filed:
Oct. 28, 2011
Applicants:
Alexander Ruud Weusthuis, GD Heelsum, NL;
Emil Johan Harald Wolbert, LP Wageningen, NL;
Jan Springer, AL Wageningen, NL;
John Van Der Oost, HZ Renkum, NL;
Gerrit Eggink, SC Ede, NL;
Inventors:
Alexander Ruud Weusthuis, GD Heelsum, NL;
Emil Johan Harald Wolbert, LP Wageningen, NL;
Jan Springer, AL Wageningen, NL;
John Van Der Oost, HZ Renkum, NL;
Gerrit Eggink, SC Ede, NL;
Assignee:
Total Research & Technology Feluy S.A., Feluy, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P 7/62 (2006.01); C12P 7/56 (2006.01); C12P 7/40 (2006.01); C12N 9/58 (2006.01); C12R 1/645 (2006.01); C12N 9/04 (2006.01); C12P 7/46 (2006.01);
U.S. Cl.
CPC ...
C12P 7/40 (2013.01); C12R 1/645 (2013.01); C12N 9/0006 (2013.01); C12P 7/46 (2013.01); C12P 7/56 (2013.01); C12P 7/625 (2013.01); C12Y 101/01027 (2013.01);
Abstract
A process for producing polylactic acid (PLA) comprising the steps: fermenting in a fermentation vessel a micro-organism of the genusin a medium at a pH less than or equal to 5 under conditions which produce lactic acid into the medium, converting the lactic acid produced into lactide, and polymerizing the lactide to form PLA.