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. 09, 2024
Filed:
Dec. 10, 2018
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Christopher J. Campbell, Burnsville, MN (US);
John W. Campbell, St. Paul, MN (US);
Mark F. Ellis, St. Paul, MN (US);
Kathleen S. Shafer, Woodbury, MN (US);
Wayne S. Mahoney, St. Paul, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 4/00 (2006.01); B32B 27/30 (2006.01); C08F 2/50 (2006.01); C08K 5/55 (2006.01); C09J 4/00 (2006.01); C08K 5/05 (2006.01);
U.S. Cl.
CPC ...
C09D 4/00 (2013.01); B32B 27/30 (2013.01); C08F 2/50 (2013.01); C08K 5/05 (2013.01); C09J 4/00 (2013.01);
Abstract
The present invention is an optically clear adhesive composition including a free-radically polymerizable acrylate or meth(acrylate) functional group oligomer, a trialkyl borane complex initiator, a photoacid generator, and a photosensitizer. A viscosity of the composition immediately after mixing and a viscosity of the composition about 24 hours after mixing changes by less than about 10%.