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:
Mar. 27, 2007
Filed:
Mar. 31, 2003
Takashi Hiruma, Nagahama, JP;
Takashi Hiruma, Nagahama, JP;
Mitsubishi Plastics, Inc., Tokyo, JP;
Abstract
The heat shrinkable film of polylactic acid-based resin used for shrink packaging, shrink bundling, shrink label and the like, can prevent shrinking in the machinery direction after stretching and can show a good appearance after shrinking. The heat shrinkable film of polylactic acid-based resin comprises at least one layer formed by using mainly a resin composition which contains polylactic acid-based resin and aliphatic polyester 'A' having a melting point of 100 to 170° C. and a glass transition temperature of 0° C. or less, in which the heat shrinkable film of polylactic acid-based resin is stretched in at least one direction.