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:
Jul. 19, 2011
Filed:
Sep. 13, 2007
Keisuke Ohtsuka, Kitakyushu, JP;
Hirokazu Tanaka, Kitakyushu, JP;
Eiko Tanaka, Legal Representative, Kitakyushu, JP;
Keisuke Ohtsuka, Kitakyushu, JP;
Hirokazu Tanaka, Kitakyushu, JP;
Eiko Tanaka, legal representative, Kitakyushu, JP;
JGC Catalysts and Chemicals Ltd., Kawasaki-shi, Kanagawa, JP;
Abstract
A dental filler having the optical and/or mechanical properties satisfying the requirements to a dental material, a method for producing the dental filler, and a dental composite material containing the dental filler. The dental filler comprises microparticles of amorphous inorganic oxide constituted by at least silica-based fine particles covered with a composite oxide comprising zirconium, silicon and oxygen. The dental composite material contains the dental filler and a hardenable resin selected from an acrylic resin, a methacrylic resin, an epoxy resin, a vinyl resin and a urethane resin.