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:
Aug. 26, 2025
Filed:
Jul. 21, 2022
Applicant:
Far Eastern New Century Corporation, Taipei, TW;
Inventors:
Assignee:
FAR EASTERN NEW CENTURY CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 3/04 (2006.01); G09F 3/02 (2006.01);
U.S. Cl.
CPC ...
G09F 3/04 (2013.01); G09F 3/02 (2013.01); G09F 2003/0223 (2013.01); G09F 2003/0272 (2013.01);
Abstract
Disclosed herein are a heat-shrinkable polyester label film and a preparation method thereof. The label film has a shrinkage force not lower than 5.5 N in at least one shrinkage direction after immersing the heat-shrinkable polyester label film in water at 55° C. for 30 seconds, and a heat shrinkage rate of not lower than 50% in the shrinkage direction after immersing the heat-shrinkable polyester label film in water at 55° C. for 240 seconds.