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:
Feb. 28, 2017
Filed:
Nov. 01, 2011
Applicants:
Chae Hwan Hong, Gyeonggi-do, KR;
DO Suck Han, Gyeonggi-do, KR;
Byeong Uk Nam, Chungcheongnam-do, KR;
Inventors:
Chae Hwan Hong, Gyeonggi-do, KR;
Do Suck Han, Gyeonggi-do, KR;
Byeong Uk Nam, Chungcheongnam-do, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
KOREA UNIVERSITY OF TECHNOLOGY AND EDUCATION INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, Cheonan, Chungcheongnam-Do, KR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/08 (2006.01); C08J 3/00 (2006.01); C08J 5/18 (2006.01); C08L 67/04 (2006.01);
U.S. Cl.
CPC ...
C08J 3/005 (2013.01); C08J 5/18 (2013.01); C08L 67/04 (2013.01); C08J 2367/04 (2013.01); C08L 2205/02 (2013.01);
Abstract
Disclosed is a method for manufacturing a polylactic acid film. More specifically, the present invention relates to a method for stably and effectively obtaining optimized stereocomplex crystals through specified boiling point and evaporation time of a solvent allowing the content of stereocomplex crystals to be 100%.