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. 30, 2021
Filed:
Jan. 10, 2018
Applicant:
Cj Cheiljedang Corporation, Seoul, KR;
Inventors:
Jieun Kim, Gunpo-si, KR;
Changyub Oh, Yongin-si, KR;
Chang Suk Lee, Yongin-si, KR;
Young Lyeol Yang, Seoul, KR;
Assignee:
CJ CHEILJEDANG CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/02 (2006.01); B01J 27/02 (2006.01); C07C 67/54 (2006.01); C07C 67/03 (2006.01); C07C 67/08 (2006.01); C07C 69/68 (2006.01);
U.S. Cl.
CPC ...
C07C 67/02 (2013.01); B01J 27/02 (2013.01); C07C 67/03 (2013.01); C07C 67/08 (2013.01); C07C 67/54 (2013.01); C07C 69/68 (2013.01);
Abstract
Provided is a method of efficiently preparing alkyl lactate from by-products which are generated during a process of converting lactic acid into lactide, or from poly(lactic acid) (PLA).