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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.:

US 11701304 B1

PDFFull Text
Date of Patent:
Jul. 18, 2023

Filed:

Dec. 26, 2018

Dental restorative material and resin material for dentistry cutting formed of same

Applicant:

Tokuyama Dental Corporation, Taito-ku, JP;

Inventors:

Takuya Suzuki, Tsukuba, JP;

Hideki Kazama, Tsuchiura, JP;

Assignee:

Tokuyama Dental Corporation, Taito-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Jessica Whiteley

Int. Cl.
CPC ...
A61F 2/00 (2006.01); A61K 8/72 (2006.01); C08G 61/02 (2006.01); C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); A61K 6/893 (2020.01); A61K 6/62 (2020.01); A61K 6/17 (2020.01); B29C 39/00 (2006.01); B29C 39/02 (2006.01); B29C 39/38 (2006.01); C08G 18/32 (2006.01); C08G 18/34 (2006.01); C08G 18/38 (2006.01); C08G 18/76 (2006.01); B29K 275/00 (2006.01); B29K 509/02 (2006.01);
U.S. Cl.
CPC ...
A61K 6/893 (2020.01); A61K 6/17 (2020.01); A61K 6/62 (2020.01); B29C 39/003 (2013.01); B29C 39/02 (2013.01); B29C 39/38 (2013.01); C08G 18/3206 (2013.01); C08G 18/341 (2013.01); C08G 18/348 (2013.01); C08G 18/3876 (2013.01); C08G 18/7621 (2013.01); C08G 18/7642 (2013.01); B29K 2275/00 (2013.01); B29K 2509/02 (2013.01);
Abstract

The dental restorative material of the present invention is a dental restorative material that contains a resin matrix and an inorganic filler in an amount of 25 to 1,000 parts by mass per 100 parts by mass of the resin matrix, and in the dental restorative material, the resin matrix contains a polyurethane resin, and the inorganic filler has an average particle diameter of 0.001 to 100 μm. According to the present invention, a dental restorative material that has a high bending strength and a high surface hardness, and is excellent in transparency and cutting workability, and a resin material for dental cutting work containing the same can be provided.

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