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. 25, 2025
Filed:
Dec. 24, 2020
Kuraray Noritake Dental Inc., Kurashiki, JP;
Hirotaka Horiguchi, Niigata, JP;
Tatsuya Kajikawa, Chiba, JP;
KURARAY NORITAKE DENTAL INC., Kurashiki, JP;
Abstract
A dental restoration material composition includes a (meth)acrylic acid ester compound (A) having two or more (meth)acryloyloxy groups per molecule, a mono(meth)acrylic acid ester compound (B), a polymerization initiator (C), and an organic-inorganic composite filler (D). The mono(meth)acrylic acid ester compound (B) includes at least one selected from the group consisting of a mono(meth)acrylic acid ester compound (B-1) represented by formula (I), and a mono(meth)acrylic acid ester compound (B-2) represented by formula (II). Rand Rare each independently a group represented by formula (i) or a group represented by formula (ii), and X is a divalent hydrocarbon group having 1 to 6 carbon atoms, or an oxygen atom.