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. 14, 2017
Filed:
Nov. 02, 2011
Young-man Yoo, Seoul, KR;
Tae-woong Lee, Gyeonggi-do, KR;
Kye-yune Lee, Gyeonggi-do, KR;
Jae-il Chung, Gyeonggi-do, KR;
Young-Man Yoo, Seoul, KR;
Tae-Woong Lee, Gyeonggi-do, KR;
Kye-Yune Lee, Gyeonggi-do, KR;
Jae-Il Chung, Gyeonggi-do, KR;
Other;
Abstract
The present invention relates to a polylactic acid resin composition useful as a packaging material which has not only improved flexibility but also superior external appearance and superior properties such as mechanical property, transparency, heat resistance, anti-blocking property, workability of a film, and the like, and a packaging film including the same. The polylactic acid resin composition comprises a polylactic acid resin including a hard segment comprising a polylactic acid repeating unit and a soft segment comprising a polyurethane polyol repeating unit in which polyether polyol repeating units are linearly linked via a urethane bond; and a specific content of antioxidant.