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:
Jan. 01, 2019
Filed:
Jun. 07, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Jonathan E. Janoski, Woodbury, MN (US);
Anthony F. Schultz, Forest Lake, MN (US);
Keith R. Lyon, Hudson, WI (US);
Ronald S. Steelman, Woodbury, MN (US);
Kevin M. Lewandowski, Inver Grove Heights, MN (US);
Corinne E. Lipscomb, St. Paul, MN (US);
Terry R. Hobbs, Lakeland, MN (US);
Arlin L. Weikel, Roberts, WI (US);
Jayshree Seth, Woodbury, MN (US);
Duane D. Fansler, Dresser, WI (US);
Hidetoshi Abe, Tendo, JP;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A film is described comprising a (meth)acrylic polymer and a polyvinyl acetal (e.g. butyral) resin. In some embodiments, the film has a glass transition temperature (i.e. Tg) ranging from 30° C. to 60° C. In some embodiments, the film has a gel content of at least 20% or greater. In some embodiments, the film has an elongation at break of at least 175%. The film typically comprises photoinitiator as a result of the method by which the film was made. The film may be a monolithic film or a layer of a multilayer film.