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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 11034830 B1

PDFFull Text
Date of Patent:
Jun. 15, 2021

Filed:

Dec. 13, 2016

Acrylic polyvinyl acetal films comprising a second layer

Applicant:

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

Inventors:

Jonathan E. Janoski, Woodbury, MN (US);

Carla S. Thomas, Woodbury, MN (US);

Anthony F. Schultz, Forest Lake, MN (US);

Tien Y. H. Whiting, St. Paul, MN (US);

Kevin M. Lewandowski, Inver Grove Heights, MN (US);

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

Keith R. Lyon, Hudson, WI (US);

Arlin L. Weikel, Mansfield, PA (US);

Timothy J. Hebrink, Scandia, MN (US);

Amanda K. Hulke, St. Louis Park, MN (US);

Eric D. Shockey, Stillwater, MN (US);

Anthony M. Renstrom, Forest Lake, MN (US);

Sonja S. Mackey, St. Paul, MN (US);

Thomas P. Klun, Lakeland, MN (US);

Assignee:

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

Attorney:

Carolyn A. Fischer

Primary Examiner:

Callie E Shosho

Assistant Examiner:

John Vincent Lawler

Int. Cl.
CPC ...
C08L 33/10 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/20 (2006.01); B32B 27/10 (2006.01); B32B 27/32 (2006.01); B32B 15/082 (2006.01); B32B 27/36 (2006.01); B32B 5/02 (2006.01); C08L 43/04 (2006.01); B32B 15/14 (2006.01); B32B 27/06 (2006.01); B32B 29/02 (2006.01); B32B 15/04 (2006.01); B32B 15/12 (2006.01); B32B 23/22 (2006.01); B32B 5/18 (2006.01); B32B 27/40 (2006.01); C08L 33/08 (2006.01); B32B 27/42 (2006.01); B32B 27/28 (2006.01); B32B 27/34 (2006.01); B32B 23/08 (2006.01); B32B 5/24 (2006.01); B32B 27/12 (2006.01); B32B 23/20 (2006.01); B32B 29/00 (2006.01); B32B 5/26 (2006.01); B32B 7/02 (2019.01); B32B 7/12 (2006.01); C08J 7/04 (2020.01); C08J 5/18 (2006.01); C08L 29/14 (2006.01);
U.S. Cl.
CPC ...
C08L 33/10 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B32B 5/26 (2013.01); B32B 7/02 (2013.01); B32B 7/12 (2013.01); B32B 15/046 (2013.01); B32B 15/082 (2013.01); B32B 15/12 (2013.01); B32B 15/14 (2013.01); B32B 23/08 (2013.01); B32B 23/20 (2013.01); B32B 23/22 (2013.01); B32B 27/065 (2013.01); B32B 27/08 (2013.01); B32B 27/10 (2013.01); B32B 27/12 (2013.01); B32B 27/20 (2013.01); B32B 27/28 (2013.01); B32B 27/283 (2013.01); B32B 27/285 (2013.01); B32B 27/302 (2013.01); B32B 27/304 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/322 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B32B 27/365 (2013.01); B32B 27/40 (2013.01); B32B 27/42 (2013.01); B32B 29/007 (2013.01); B32B 29/02 (2013.01); C08J 5/18 (2013.01); C08J 7/0427 (2020.01); C08L 29/14 (2013.01); C08L 33/08 (2013.01); C08L 43/04 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/04 (2013.01); B32B 2262/062 (2013.01); B32B 2262/101 (2013.01); B32B 2262/105 (2013.01); B32B 2264/02 (2013.01); B32B 2264/10 (2013.01); B32B 2264/101 (2013.01); B32B 2264/102 (2013.01); B32B 2264/104 (2013.01); B32B 2264/105 (2013.01); B32B 2264/107 (2013.01); B32B 2264/108 (2013.01); B32B 2270/00 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/41 (2013.01); B32B 2307/412 (2013.01); B32B 2307/416 (2013.01); B32B 2307/518 (2013.01); B32B 2307/54 (2013.01); B32B 2307/748 (2013.01); B32B 2307/756 (2013.01); B32B 2405/00 (2013.01); B32B 2419/00 (2013.01); B32B 2451/00 (2013.01); B32B 2590/00 (2013.01); B32B 2605/00 (2013.01); C08J 2329/14 (2013.01); C08J 2333/10 (2013.01); C08J 2429/14 (2013.01); C08J 2433/10 (2013.01); C08J 2483/04 (2013.01); C08L 2205/03 (2013.01);
Abstract

A film is described comprising a first film layer having a Tg ranging from 30° C. to 60° C. The first film layer comprises a (meth)acrylic polymer and polyvinyl acetal polymer composition. The film further comprises a second layer proximate the first film layer. The second layer is different than the first film layer. The second may be a cured (meth)acrylic polymer film or coating; a backing such as thermoplastic polymer, woven or nonwoven fabrics, metal foils, paper, foams; or a coverfilm such as a fluoropolymer.

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