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:
Apr. 27, 2021
Filed:
Oct. 20, 2017
Kuraray Noritake Dental Inc., Kurashiki, JP;
Shumei Ishihara, Okayama, JP;
Yamato Nojiri, Tokyo, JP;
Mitsuru Takei, Frankfurt, DE;
Kenji Hatanaka, Niigata, JP;
KURARAY NORITAKE DENTAL INC., Kurashiki, JP;
Abstract
The present invention provides a self-adhesive dental composite resin maintaining mechanical strength, showing excellent storage stability, undergoing little change in transparency and properties of the paste during long-term storage, and having a small solidification risk during long-term storage. The present invention relates to a self-adhesive dental composite resin comprising: an acid group-containing (meth)acrylic polymerizable monomer (a); a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group; a photopolymerization initiator (c); and a filler (d), wherein the filler (d) is treated with a surface treatment agent and has an average particle diameter of 0.01 to 50.0 μm, the surface treatment agent comprises a silane coupling agent (A) represented by the following general formula (1):CH═C(R)—COO—(CH)—Si—RR  (1), andan organosilazane (B) represented by the following general formula (2):RRR—Si—NH—Si—RRR  (2).