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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 11260632 B1

PDFFull Text
Date of Patent:
Mar. 01, 2022

Filed:

Sep. 29, 2016

Lactic acid polymer films

Applicant:

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

Inventors:

Ignatius A. Kadoma, Cottage Grove, MN (US);

Stewart W. Campbell, St. Paul, MN (US);

David M. Peterson, Hudson, WI (US);

Assignee:

3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);

Attorney:

3M Innovative Properties Company

Primary Examiner:

Lawrence D Ferguson

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/36 (2006.01); B32B 27/22 (2006.01); B32B 27/06 (2006.01); C08K 5/11 (2006.01); C08K 5/00 (2006.01); B32B 27/26 (2006.01); C08G 63/08 (2006.01); C08L 67/04 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 27/06 (2013.01); B32B 27/22 (2013.01); B32B 27/26 (2013.01); B32B 27/36 (2013.01); C08G 63/08 (2013.01); C08K 5/0016 (2013.01); C08K 5/11 (2013.01); C08L 67/04 (2013.01); B32B 2250/24 (2013.01); B32B 2250/244 (2013.01); B32B 2250/44 (2013.01); B32B 2307/412 (2013.01); B32B 2307/50 (2013.01); B32B 2307/7163 (2013.01); B32B 2307/732 (2013.01); B32B 2553/00 (2013.01);
Abstract

A multilayer film comprises (a) two or more non-plasticized layers comprising lactic acid polymer and (b) one or more plasticized layers comprising lactic acid polymer and plasticizer sandwiched between the two or more lactic acid polymer layers; wherein the thickness of the one or more plasticized layers comprises from about 60% to about 70% of the total thickness of the multilayer film.

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Kadoma, Ignatius. (2022). Lactic acid polymer films (U.S. Patent No. 11260632). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11260632

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