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. 05, 2024
Filed:
Oct. 20, 2020
Applicant:
Toyobo Co., Ltd., Osaka, JP;
Inventors:
Shintaro Ishimaru, Fukui, JP;
Masayuki Haruta, Fukui, JP;
Assignee:
TOYOBO CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/36 (2006.01); B32B 1/00 (2006.01); B32B 3/26 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B65D 65/40 (2006.01);
U.S. Cl.
CPC ...
B32B 27/36 (2013.01); B32B 1/00 (2013.01); B32B 3/263 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B65D 65/40 (2013.01); B32B 2250/244 (2013.01); B32B 2250/40 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/28 (2013.01); B32B 2307/308 (2013.01); B32B 2307/402 (2013.01); B32B 2307/414 (2013.01); B32B 2307/418 (2013.01); B32B 2307/54 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/732 (2013.01); B32B 2307/75 (2013.01); B32B 2439/00 (2013.01);
Abstract
A polyester-based film comprising at least one layer permitting printing as a result of laser irradiation; wherein not less than 100 ppm but not greater than 3000 ppm of laser-printable metal is present in all layers of the film. The film is capable of being printed in distinct fashion by a laser, excels with respect to unevenness in thickness, and is of high transparency, while at the same time provide packaging which employs such film and on which printing has been directly carried out.