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:
Aug. 31, 2021
Filed:
Dec. 18, 2018
3m Innovative Properties Company, St. Paul, MN (US);
Bradley D. Craig, Lake Elmo, MN (US);
Paul J. Homnick, Lake Elmo, MN (US);
Ahmed S. Abuelyaman, Woodbury, MN (US);
Thomas P. Klun, Lakeland, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
The present disclosure provides an inorganic dental filler including a surface treated with at least one silane. Exemplary silanes described in the present disclosure for the surface treatment of the inorganic filler include silanes of Formula I and/or Formula II: (R)—(CRR)—(NH—C(O)—O—CH—CH)—N(R)—C(O)—NH—(CH—CH—O)—CRR—CH-(A) Formula I (R)—(CRR)—NH—C(O)—O—CRR-(L)-CH-(A) Formula II, wherein: Ris a silane-containing group of the formula —Si(Y)(R), wherein Y is a hydrolysable group, Ris a monovalent alkyl or aryl group, and p is 1, 2, or 3. Methods of making and using the surface treated inorganic dental fillers are also disclosed.