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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 11407872 B1

PDFFull Text
Date of Patent:
Aug. 09, 2022

Filed:

Jun. 14, 2017

Foam compositions comprising polylactic acid polymer, polyvinyl acetate polymer and plasticizer, articles, and methods of making and using same

Applicant:

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

Inventors:

Joshua M. Fishman, Minneapolis, MN (US);

Caitlin E. Meree, St. Paul, MN (US);

Ning Zhou, Vadnais Heights, MN (US);

Derek J. Dehn, Maplewood, MN (US);

Jacob D. Young, St. Paul, MN (US);

Jeffrey O. Emslander, City of Grant, MN (US);

Bradley L. Givot, St. Paul, MN (US);

Aaron T. Hedegaard, Woodbury, MN (US);

Justin M. Bolton, Minneapolis, MN (US);

Terry R. Hobbs, Stillwater, MN (US);

Mahfuza B. Ali, Mendota Heights, MN (US);

Robert C. Coffin, Zionsville, MN (US);

Brant U. Kolb, Afton, MN (US);

Paul D. Pennington, Farmington, MN (US);

Jimmie R. Baran, Jr., Prescott, WI (US);

Duane D. Fansler, Dresser, WI (US);

Ying Lin, Woodbury, MN (US);

Assignee:

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

Attorney:

Adrian L. Pishko

Primary Examiner:

Gregory Listvoyb

Int. Cl.
CPC ...
C08L 29/14 (2006.01); C08J 9/00 (2006.01); A61F 11/08 (2006.01); A61F 11/14 (2006.01); C08J 5/18 (2006.01); C08J 9/10 (2006.01); C08L 67/04 (2006.01); G10K 11/16 (2006.01); A61F 2/14 (2006.01); C08J 9/32 (2006.01); A61F 2/08 (2006.01); C08J 9/12 (2006.01);
U.S. Cl.
CPC ...
C08J 9/0061 (2013.01); A61F 2/08 (2013.01); A61F 2/14 (2013.01); A61F 11/08 (2013.01); A61F 11/14 (2013.01); C08J 5/18 (2013.01); C08J 9/0071 (2013.01); C08J 9/102 (2013.01); C08J 9/103 (2013.01); C08J 9/32 (2013.01); C08L 29/14 (2013.01); C08L 67/04 (2013.01); G10K 11/16 (2013.01); C08J 9/009 (2013.01); C08J 9/0023 (2013.01); C08J 9/0028 (2013.01); C08J 9/0038 (2013.01); C08J 9/0052 (2013.01); C08J 9/122 (2013.01); C08J 2201/026 (2013.01); C08J 2203/04 (2013.01); C08J 2203/06 (2013.01); C08J 2205/052 (2013.01); C08J 2329/14 (2013.01); C08J 2331/04 (2013.01); C08J 2367/04 (2013.01); C08J 2429/14 (2013.01); C08J 2431/04 (2013.01); C08J 2467/04 (2013.01); C08J 2471/02 (2013.01); C08L 2203/14 (2013.01); C08L 2205/03 (2013.01); C08L 2205/06 (2013.01); C08L 2205/24 (2013.01); C08L 2312/00 (2013.01);
Abstract

Foam compositions are provided including a polylactic acid polymer; second (e.g., polyvinyl acetate) polymer having a glass transition temperature (T) of at least 25° C.; and plasticizer. Also described are articles comprising the foam compositions, such as a sheet or hearing protection article. Methods of making and using the foam compositions are further described herein.

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