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:
Dec. 05, 2023
Filed:
May. 10, 2019
3m Innovative Properties Company, St. Paul, MN (US);
Wayne S. Mahoney, St. Paul, MN (US);
Saswata Chakraborty, Cottage Grove, MN (US);
Evan L. Schwartz, Vadnais Heights, MN (US);
Claire Hartmann-Thompson, Lake Elmo, MN (US);
Tabitha A. Silliman, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Curable compositions include an acrylate of Formula I: Formula I at least one multifunctional (meth)acrylate with fused aromatic groups, heteroarylene groups, heteroalkylene groups, alkylene groups, or aralkylene groups, and a photoinitiator. The compositions, when cured, have a refractive index of 1.63 or greater at 532 nanometers, are optically transparent, and have a thermal stability such that upon heating for 1 hour at 250° C. they have a weight loss of 3.5% or less.