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:
Oct. 06, 2015
Filed:
Jun. 14, 2010
Shichen Dou, Warwick, RI (US);
Mark S. Lee, North Kingstown, RI (US);
Keunsuk P. Chang, North Kingstown, RI (US);
Shichen Dou, Warwick, RI (US);
Mark S. Lee, North Kingstown, RI (US);
Keunsuk P. Chang, North Kingstown, RI (US);
TORAY PLASTICS (AMERICA), INC., N. Kingstown, RI (US);
Abstract
Multi-layer biaxially oriented polylactic acid (BOPLA) film with a novel formulation improves the heat seal initiation temperature and heat seal performance of BOPLA films while maintaining good optical clarity. The film may include a core layer including polylactic acid base polymer resin, and a heat sealable layer including amorphous polylactic acid base polymer and a modifier comprising polycaprolactone or poly(butylene-adipate-co-butylene terephthalate).