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. 19, 2016
Filed:
Oct. 31, 2008
Kevin R. Schaffer, Woodbury, MN (US);
Audrey A. Sherman, St. Paul, MN (US);
Ryan E. Marx, Rosemount, MN (US);
James M. Nelson, Woodbury, MN (US);
Kevin R. Schaffer, Woodbury, MN (US);
Audrey A. Sherman, St. Paul, MN (US);
Ryan E. Marx, Rosemount, MN (US);
James M. Nelson, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Optical adhesives that also diffuse visible light include a blend of an adhesive matrix which is an optical adhesive and a block copolymer. The adhesive may be a pressure sensitive adhesive and contains either acid or basic functionality. The block copolymer, which may be a diblock copolymer, contains a high Tg block and a functional block, the functionality of the functional block is complimentary to the functionality of the adhesive matrix to form an acid-base interaction. The adhesive may also contain a crosslinking agent.