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:
Jan. 12, 2016
Filed:
Oct. 06, 2014
Applicants:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Snu R&db Foundation, Seoul, KR;
Inventors:
Younghoon Lee, Incheon, KR;
Chansu Kim, Seoul, KR;
Hail Kwon, Incheon, KR;
Changduk Kang, Gwacheon-si, KR;
Jongchan Lee, Seoul, KR;
Kwangmyung Cho, Seongnam-si, KR;
Sangho Cha, Suwon-si, KR;
Hyunkee Hong, Seoul, KR;
Assignees:
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, KR;
SNU R&DB FOUNDATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08G 63/82 (2006.01);
U.S. Cl.
CPC ...
C08G 63/823 (2013.01);
Abstract
A method of preparing polylactic acid by combining lactide with a main catalyst and cocatalyst, wherein the main catalyst includes an organometallic compound and a cocatalyst includes a nanoparticle; as well as a composition are provided.