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:
May. 04, 2021
Filed:
Nov. 28, 2017
Applicant:
Tokuyama Dental Corporation, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 6/891 (2020.01); A61C 5/77 (2017.01); A61C 13/20 (2006.01); A61C 13/087 (2006.01); C08L 71/10 (2006.01); A61K 6/17 (2020.01); A61K 6/76 (2020.01); A61K 6/78 (2020.01); C08L 81/02 (2006.01);
U.S. Cl.
CPC ...
A61K 6/891 (2020.01); A61C 5/77 (2017.02); A61C 13/087 (2013.01); A61C 13/206 (2013.01); A61K 6/17 (2020.01); A61K 6/76 (2020.01); A61K 6/78 (2020.01); C08L 71/10 (2013.01); C08L 81/02 (2013.01);
Abstract
A polyaryletherketone resin material is provided for dental use having high color tone stability in the case of exposure to visible light. The polyaryletherketone resin material for dental use includes a polyaryletherketone resin, which is a thermoplastic resin containing at least an aromatic group, an ether group (ether bond), and a ketone group (ketone bond) in its structural unit, and having a b* value of 10.0 or more in terms of colorimetric value of a 1.0 mm molded body in a CIELab color system under a black background condition.