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:
Nov. 11, 2025
Filed:
Apr. 05, 2021
3m Innovative Properties Company, St. Paul, MN (US);
Amanda K. Leone, St. Paul, MN (US);
Ahmed S. Abuelyaman, Woodbury, MN (US);
Yizhong Wang, Woodbury, MN (US);
Wayne S. Mahoney, St. Paul, MN (US);
William H. Moser, Edina, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A curable composition comprises at least one monomer comprising at least one (meth)acryl group and a photoinitiator system. The photoinitiator system comprises at least one Type II photoinitiator and at least one cyclic β-diketone represented by the formula (I) or a tautomer thereof. Rrepresents an organic moiety having at least one free-radically polymerizable group. Each Rindependently represents H or an aliphatic group having from 1 to 12 carbon atoms, and up to two of oxygen and sulfur atoms, n represents 1, 2, or 3.