logo

For the Inventor, By the Inventor

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.:

US 11981810 B1

PDFFull Text
Date of Patent:
May. 14, 2024

Filed:

Mar. 25, 2020

Film comprising polylactic acid polymer suitable for graphic articles

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Ning Zhou, Vadnais Heights, MN (US);

Diane North, Inver Grove Heights, MN (US);

Matthew A. Jast, Richfield, MN (US);

Assignee:

3M Innovative Properties Company, St. Paul, MN (US);

Attorney:

Carolyn A. Fischer

Primary Examiner:

Laura C Powers

Int. Cl.
CPC ...
B32B 7/02 (2019.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/22 (2006.01); B32B 27/36 (2006.01); C08J 5/12 (2006.01); C08J 5/18 (2006.01); C08J 7/04 (2020.01); C08L 67/04 (2006.01);
U.S. Cl.
CPC ...
C08L 67/04 (2013.01); B32B 7/02 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/22 (2013.01); B32B 27/36 (2013.01); C08J 5/128 (2013.01); C08J 5/18 (2013.01); C08J 7/0427 (2020.01); B32B 2250/02 (2013.01); B32B 2255/10 (2013.01); B32B 2264/10 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/54 (2013.01); B32B 2307/702 (2013.01); B32B 2307/704 (2013.01); C08J 2367/04 (2013.01); C08J 2431/04 (2013.01); C08J 2467/04 (2013.01); C08L 2201/08 (2013.01); C08L 2203/16 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2205/06 (2013.01);
Abstract

An article is described comprising a first film layer comprising polylactic acid polymer (semicrystalline polylactic acid polymer; amorphous polylactic acid polymer; or a mixture thereof); a second (e.g. polyvinyl acetate) polymer having a Tg of at least 25° C.; plasticizer. In some embodiment, the film layer further comprises inorganic pigment and/or hydrolysis stabilizer. In other embodiments, the film has a net melting endotherm, ΔH, of less than 10 J/g. Also described are methods of making a graphic film.

Find Patent Forward Citations

Zhou, Ning. (2024). Film comprising polylactic acid polymer suitable for graphic articles (U.S. Patent No. 11981810). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11981810

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…